X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/e1939eb1e4576b653c42c92497f795bea7c12084..6ec9a5a7b5efb129807f567709ca858211ed7840:/autogen/configure

diff --git a/autogen/configure b/autogen/configure
index c6f7cde371..885b6f4b47 100755
--- a/autogen/configure
+++ b/autogen/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for emacs 24.1.50.
+# Generated by GNU Autoconf 2.65 for emacs 24.2.50.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -549,8 +549,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='emacs'
 PACKAGE_TARNAME='emacs'
-PACKAGE_VERSION='24.1.50'
-PACKAGE_STRING='emacs 24.1.50'
+PACKAGE_VERSION='24.2.50'
+PACKAGE_STRING='emacs 24.2.50'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -604,6 +604,7 @@ am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
 SUBDIR_MAKEFILES_IN
+WINDOW_SYSTEM_OBJ
 LIB_GCC
 LD_FIRSTFLAG
 LD_SWITCH_SYSTEM_TEMACS
@@ -618,8 +619,6 @@ gl_GNULIB_ENABLED_strtoll_FALSE
 gl_GNULIB_ENABLED_strtoll_TRUE
 gl_GNULIB_ENABLED_stat_FALSE
 gl_GNULIB_ENABLED_stat_TRUE
-gl_GNULIB_ENABLED_sigprocmask_FALSE
-gl_GNULIB_ENABLED_sigprocmask_TRUE
 gl_GNULIB_ENABLED_pathmax_FALSE
 gl_GNULIB_ENABLED_pathmax_TRUE
 gl_GNULIB_ENABLED_be453cec5eecf5731a274f2de7f2db36_FALSE
@@ -628,7 +627,7 @@ gl_GNULIB_ENABLED_dosname_FALSE
 gl_GNULIB_ENABLED_dosname_TRUE
 LTLIBINTL
 LIBINTL
-WARN_CFLAGS
+WINDOWS_64_BIT_OFF_T
 HAVE_UNISTD_H
 NEXT_AS_FIRST_DIRECTIVE_UNISTD_H
 NEXT_UNISTD_H
@@ -637,6 +636,7 @@ SYS_TIME_H_DEFINES_STRUCT_TIMESPEC
 TIME_H_DEFINES_STRUCT_TIMESPEC
 NEXT_AS_FIRST_DIRECTIVE_TIME_H
 NEXT_TIME_H
+WINDOWS_64_BIT_ST_SIZE
 NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H
 NEXT_SYS_STAT_H
 NEXT_AS_FIRST_DIRECTIVE_STDLIB_H
@@ -720,7 +720,6 @@ GNULIB_PERROR
 GNULIB_PCLOSE
 GNULIB_OBSTACK_PRINTF_POSIX
 GNULIB_OBSTACK_PRINTF
-GNULIB_GETS
 GNULIB_GETLINE
 GNULIB_GETDELIM
 GNULIB_GETCHAR
@@ -761,8 +760,12 @@ GL_GENERATE_STDARG_H_TRUE
 STDARG_H
 NEXT_AS_FIRST_DIRECTIVE_STDARG_H
 NEXT_STDARG_H
+GL_GENERATE_STDALIGN_H_FALSE
+GL_GENERATE_STDALIGN_H_TRUE
+STDALIGN_H
 NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H
 NEXT_SIGNAL_H
+LIB_PTHREAD_SIGMASK
 REPLACE_RAISE
 REPLACE_PTHREAD_SIGMASK
 HAVE_SIGHANDLER_T
@@ -779,7 +782,14 @@ GNULIB_SIGPROCMASK
 GNULIB_SIGNAL_H_SIGPIPE
 GNULIB_RAISE
 GNULIB_PTHREAD_SIGMASK
-LIB_PTHREAD_SIGMASK
+HAVE_SYS_SELECT_H
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H
+NEXT_SYS_SELECT_H
+REPLACE_SELECT
+REPLACE_PSELECT
+HAVE_PSELECT
+GNULIB_SELECT
+GNULIB_PSELECT
 REPLACE_TIMEGM
 REPLACE_NANOSLEEP
 REPLACE_MKTIME
@@ -834,6 +844,7 @@ PRIPTR_PREFIX
 PRI_MACROS_BROKEN
 INT64_MAX_EQ_LONG_MAX
 INT32_MAX_LT_INTMAX_MAX
+REPLACE_STRTOIMAX
 HAVE_DECL_STRTOUMAX
 HAVE_DECL_STRTOIMAX
 HAVE_DECL_IMAXDIV
@@ -869,6 +880,16 @@ HAVE_INTTYPES_H
 HAVE_WCHAR_H
 HAVE_UNSIGNED_LONG_LONG_INT
 HAVE_LONG_LONG_INT
+HAVE_WINSOCK2_H
+NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H
+NEXT_SYS_TIME_H
+REPLACE_STRUCT_TIMEVAL
+REPLACE_GETTIMEOFDAY
+HAVE_SYS_TIME_H
+HAVE_STRUCT_TIMEVAL
+HAVE_GETTIMEOFDAY
+GNULIB_GETTIMEOFDAY
+GNULIB_GL_UNISTD_H_GETOPT
 GETOPT_H
 HAVE_GETOPT_H
 NEXT_AS_FIRST_DIRECTIVE_GETOPT_H
@@ -884,7 +905,9 @@ REPLACE_STRTOD
 REPLACE_SETENV
 REPLACE_REALPATH
 REPLACE_REALLOC
+REPLACE_RANDOM_R
 REPLACE_PUTENV
+REPLACE_PTSNAME_R
 REPLACE_MKSTEMP
 REPLACE_MBTOWC
 REPLACE_MALLOC
@@ -903,7 +926,10 @@ HAVE_RPMATCH
 HAVE_REALPATH
 HAVE_RANDOM_R
 HAVE_RANDOM_H
+HAVE_RANDOM
+HAVE_PTSNAME_R
 HAVE_PTSNAME
+HAVE_POSIX_OPENPT
 HAVE_MKSTEMPS
 HAVE_MKSTEMP
 HAVE_MKOSTEMPS
@@ -927,8 +953,11 @@ GNULIB_RPMATCH
 GNULIB_REALPATH
 GNULIB_REALLOC_POSIX
 GNULIB_RANDOM_R
+GNULIB_RANDOM
 GNULIB_PUTENV
+GNULIB_PTSNAME_R
 GNULIB_PTSNAME
+GNULIB_POSIX_OPENPT
 GNULIB_MKSTEMPS
 GNULIB_MKSTEMP
 GNULIB_MKOSTEMPS
@@ -943,6 +972,10 @@ GNULIB_CANONICALIZE_FILE_NAME
 GNULIB_CALLOC_POSIX
 GNULIB_ATOLL
 GNULIB__EXIT
+GL_GENERATE_EXECINFO_H_FALSE
+GL_GENERATE_EXECINFO_H_TRUE
+LIB_EXECINFO
+EXECINFO_H
 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS
 UNISTD_H_HAVE_WINSOCK2_H
 REPLACE_WRITE
@@ -961,11 +994,13 @@ REPLACE_LSEEK
 REPLACE_LINKAT
 REPLACE_LINK
 REPLACE_LCHOWN
+REPLACE_ISATTY
 REPLACE_GETPAGESIZE
 REPLACE_GETGROUPS
 REPLACE_GETLOGIN_R
 REPLACE_GETDOMAINNAME
 REPLACE_GETCWD
+REPLACE_FTRUNCATE
 REPLACE_FCHOWNAT
 REPLACE_DUP2
 REPLACE_DUP
@@ -974,6 +1009,7 @@ REPLACE_CHOWN
 HAVE_SYS_PARAM_H
 HAVE_OS_H
 HAVE_DECL_TTYNAME_R
+HAVE_DECL_SETHOSTNAME
 HAVE_DECL_GETUSERSHELL
 HAVE_DECL_GETPAGESIZE
 HAVE_DECL_GETLOGIN_R
@@ -986,6 +1022,7 @@ HAVE_UNLINKAT
 HAVE_SYMLINKAT
 HAVE_SYMLINK
 HAVE_SLEEP
+HAVE_SETHOSTNAME
 HAVE_READLINKAT
 HAVE_READLINK
 HAVE_PWRITE
@@ -1017,11 +1054,11 @@ GNULIB_UNLINKAT
 GNULIB_UNLINK
 GNULIB_UNISTD_H_SIGPIPE
 GNULIB_UNISTD_H_NONBLOCKING
-GNULIB_UNISTD_H_GETOPT
 GNULIB_TTYNAME_R
 GNULIB_SYMLINKAT
 GNULIB_SYMLINK
 GNULIB_SLEEP
+GNULIB_SETHOSTNAME
 GNULIB_RMDIR
 GNULIB_READLINKAT
 GNULIB_READLINK
@@ -1034,6 +1071,7 @@ GNULIB_LSEEK
 GNULIB_LINKAT
 GNULIB_LINK
 GNULIB_LCHOWN
+GNULIB_ISATTY
 GNULIB_GROUP_MEMBER
 GNULIB_GETUSERSHELL
 GNULIB_GETPAGESIZE
@@ -1058,6 +1096,7 @@ GNULIB_DUP
 GNULIB_CLOSE
 GNULIB_CHOWN
 GNULIB_CHDIR
+LIB_CLOCK_GETTIME
 GL_GENERATE_ALLOCA_H_FALSE
 GL_GENERATE_ALLOCA_H_TRUE
 ALLOCA_H
@@ -1085,8 +1124,6 @@ ns_appsrc
 ns_appresdir
 ns_appbindir
 ns_appdir
-S_FILE
-M_FILE
 X_TOOLKIT_TYPE
 GNUSTEP_CFLAGS
 C_SWITCH_X_SITE
@@ -1099,6 +1136,7 @@ etcdir
 x_default_search_path
 lisppath
 locallisppath
+standardlisppath
 leimdir
 lispdir
 srcdir
@@ -1143,6 +1181,8 @@ LIBGNUTLS_CFLAGS
 LIBSELINUX_LIBS
 SETTINGS_LIBS
 SETTINGS_CFLAGS
+GOBJECT_LIBS
+GOBJECT_CFLAGS
 GCONF_LIBS
 GCONF_CFLAGS
 GSETTINGS_LIBS
@@ -1174,8 +1214,8 @@ MKDEPDIR
 CFLAGS_SOUND
 ALSA_LIBS
 ALSA_CFLAGS
-PKG_CONFIG
 LIBSOUND
+PKG_CONFIG
 CRT_DIR
 START_FILES
 LIB_MATH
@@ -1188,9 +1228,12 @@ CANNOT_DUMP
 INFO_OPTS
 INFO_EXT
 HAVE_MAKEINFO
+PAXCTL
 GZIP_PROG
 INSTALL_INFO
+LN_S
 GNULIB_WARN_CFLAGS
+WARN_CFLAGS
 WERROR_CFLAGS
 RANLIB
 ARFLAGS
@@ -1223,7 +1266,6 @@ build_vendor
 build_cpu
 build
 PROFILING_CFLAGS
-MAINT
 GZIP_INFO
 cache_file
 am__untar
@@ -1292,6 +1334,7 @@ lisp_frag
 ns_frag'
 ac_user_opts='
 enable_option_checking
+with_all
 with_pop
 with_kerberos
 with_kerberos5
@@ -1331,16 +1374,15 @@ with_crt_dir
 with_gameuser
 with_gnustep_conf
 enable_ns_self_contained
-enable_asserts
-enable_maintainer_mode
 enable_locallisppath
 enable_checking
-enable_use_lisp_union_type
+enable_check_lisp_object_type
 enable_profiling
 enable_autodepend
 enable_dependency_tracking
 enable_largefile
 enable_gcc_warnings
+enable_link_time_optimization
 with_x
 '
       ac_precious_vars='build_alias
@@ -1894,7 +1936,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures emacs 24.1.50 to adapt to many kinds of systems.
+\`configure' configures emacs 24.2.50 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1968,7 +2010,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of emacs 24.1.50:";;
+     short | recursive ) echo "Configuration of emacs 24.2.50:";;
    esac
   cat <<\_ACEOF
 
@@ -1978,10 +2020,6 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --disable-ns-self-contained
                           disable self contained build under NeXTstep
-  --enable-asserts        compile code with asserts enabled
-  --disable-maintainer-mode
-                          disable make rules and dependencies not useful (and
-                          sometimes confusing) to the casual installer
   --enable-locallisppath=PATH
                           directories Emacs should search for lisp files
                           specific to this site
@@ -1989,11 +2027,11 @@ Optional Features:
                           enable expensive run-time checks. With LIST, enable
                           only specific categories of checks. Categories are:
                           all,yes,no. Flags are: stringbytes, stringoverrun,
-                          stringfreelist, xmallocoverrun, conslist
-  --enable-use-lisp-union-type
-                          use a union for the Lisp_Object data type. This is
-                          only useful for development for catching certain
-                          types of bugs.
+                          stringfreelist, xmallocoverrun, conslist, glyphs
+  --enable-check-lisp-object-type
+                          enable compile time checks for the Lisp_Object data
+                          type. This is useful for development for catching
+                          certain types of bugs.
   --enable-profiling      build emacs with profiling support. This might not
                           work on all platforms
   --enable-autodepend     automatically generate dependencies to .h-files.
@@ -2002,11 +2040,18 @@ Optional Features:
   --disable-dependency-tracking  speeds up one-time build
   --enable-dependency-tracking   do not reject slow dependency extractors
   --disable-largefile     omit support for large files
-  --enable-gcc-warnings   turn on lots of GCC warnings (for developers)
+  --enable-gcc-warnings   turn on lots of GCC warnings. This is intended for
+                          developers, and may generate false alarms when used
+                          with older or non-GNU development tools.
+  --enable-link-time-optimization
+                          build emacs with link-time optimization. This is
+                          supported only for GCC since 4.5.0.
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --without-all           omit almost all features and build small executable
+                          with minimal dependencies
   --without-pop           don't support POP mail retrieval with movemail
   --with-kerberos         support Kerberos-authenticated POP
   --with-kerberos5        support Kerberos version 5 authenticated POP
@@ -2132,7 +2177,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-emacs configure 24.1.50
+emacs configure 24.2.50
 generated by GNU Autoconf 2.65
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -2381,45 +2426,6 @@ $as_echo "$ac_res" >&6; }
 
 } # ac_fn_c_check_header_compile
 
-# ac_fn_c_check_decl LINENO SYMBOL VAR
-# ------------------------------------
-# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
-ac_fn_c_check_decl ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-#ifndef $2
-  (void) $2;
-#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_decl
-
 # ac_fn_c_try_link LINENO
 # -----------------------
 # Try to link conftest.$ac_ext, and return whether this succeeded.
@@ -2466,39 +2472,49 @@ fi
 
 } # ac_fn_c_try_link
 
-# ac_fn_c_check_header_preproc LINENO HEADER VAR
-# ----------------------------------------------
-# Tests whether HEADER is present, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_preproc ()
+# ac_fn_c_check_decl LINENO SYMBOL VAR
+# ------------------------------------
+# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
+ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
+$as_echo_n "checking whether $2 is declared... " >&6; }
 if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <$2>
+$4
+int
+main ()
+{
+#ifndef $2
+  (void) $2;
+#endif
+
+  ;
+  return 0;
+}
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"; then :
   eval "$3=yes"
 else
   eval "$3=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
-} # ac_fn_c_check_header_preproc
+} # ac_fn_c_check_decl
 
-# ac_fn_c_check_func LINENO FUNC VAR
-# ----------------------------------
-# Tests whether FUNC exists, setting the cache variable VAR accordingly
-ac_fn_c_check_func ()
+# ac_fn_c_check_header_preproc LINENO HEADER VAR
+# ----------------------------------------------
+# Tests whether HEADER is present, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_preproc ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
@@ -2508,59 +2524,21 @@ if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $2 innocuous_$2
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $2
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $2 ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$2 || defined __stub___$2
-choke me
-#endif
-
-int
-main ()
-{
-return $2 ();
-  ;
-  return 0;
-}
+#include <$2>
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"; then :
   eval "$3=yes"
 else
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
-} # ac_fn_c_check_func
+} # ac_fn_c_check_header_preproc
 
 # ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
 # ----------------------------------------------------
@@ -2619,6 +2597,73 @@ $as_echo "$ac_res" >&6; }
 
 } # ac_fn_c_check_member
 
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_func
+
 # ac_fn_c_check_type LINENO TYPE VAR INCLUDES
 # -------------------------------------------
 # Tests whether TYPE exists after having included INCLUDES, setting cache
@@ -2854,7 +2899,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by emacs $as_me 24.1.50, which was
+It was created by emacs $as_me 24.2.50, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
@@ -3133,27 +3178,55 @@ $as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
+as_fn_append ac_header_list " linux/version.h"
+as_fn_append ac_header_list " sys/systeminfo.h"
+as_fn_append ac_header_list " stdio_ext.h"
+as_fn_append ac_header_list " fcntl.h"
+as_fn_append ac_header_list " coff.h"
+as_fn_append ac_header_list " pty.h"
+as_fn_append ac_header_list " sys/vlimit.h"
+as_fn_append ac_header_list " sys/resource.h"
+as_fn_append ac_header_list " sys/utsname.h"
+as_fn_append ac_header_list " pwd.h"
+as_fn_append ac_header_list " utmp.h"
+as_fn_append ac_header_list " dirent.h"
+as_fn_append ac_header_list " util.h"
+as_fn_append ac_header_list " sys/socket.h"
 as_fn_append ac_header_list " stdlib.h"
 as_fn_append ac_header_list " unistd.h"
 as_fn_append ac_header_list " sys/param.h"
+as_fn_append ac_header_list " pthread.h"
+as_fn_append ac_header_list " malloc/malloc.h"
+as_fn_append ac_header_list " maillock.h"
+as_fn_append ac_header_list " sys/un.h"
+as_fn_append ac_func_list " tzset"
 as_fn_append ac_func_list " readlinkat"
+as_fn_append ac_header_list " execinfo.h"
 gl_getopt_required=GNU
 as_fn_append ac_header_list " getopt.h"
+as_fn_append ac_func_list " gettimeofday"
+as_fn_append ac_func_list " nanotime"
+as_fn_append ac_header_list " sys/time.h"
 as_fn_append ac_header_list " wchar.h"
 as_fn_append ac_header_list " stdint.h"
 as_fn_append ac_header_list " inttypes.h"
 as_fn_append ac_func_list " lstat"
 as_fn_append ac_func_list " alarm"
+as_fn_append ac_header_list " sys/select.h"
+as_fn_append ac_func_list " pselect"
 as_fn_append ac_func_list " pthread_sigmask"
 as_fn_append ac_func_list " readlink"
-as_fn_append ac_header_list " sys/socket.h"
-as_fn_append ac_func_list " tzset"
 as_fn_append ac_func_list " strtoimax"
 as_fn_append ac_func_list " strtoumax"
 as_fn_append ac_func_list " symlink"
 as_fn_append ac_header_list " sys/stat.h"
-as_fn_append ac_header_list " sys/time.h"
 as_fn_append ac_func_list " localtime_r"
+as_fn_append ac_header_list " utime.h"
+as_fn_append ac_func_list " futimes"
+as_fn_append ac_func_list " futimesat"
+as_fn_append ac_func_list " futimens"
+as_fn_append ac_func_list " utimensat"
+as_fn_append ac_func_list " lutimes"
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
@@ -3687,7 +3760,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='emacs'
- VERSION='24.1.50'
+ VERSION='24.2.50'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -3732,22 +3805,32 @@ am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
 
 lispdir='${datadir}/emacs/${version}/lisp'
 leimdir='${datadir}/emacs/${version}/leim'
+standardlisppath='${lispdir}:${leimdir}'
 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
 '${datadir}/emacs/site-lisp'
-lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
+lisppath='${locallisppath}:${standardlisppath}'
 etcdir='${datadir}/emacs/${version}/etc'
 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
 docdir='${datadir}/emacs/${version}/etc'
 gamedir='${localstatedir}/games/emacs'
 
 
+# Check whether --with-all was given.
+if test "${with_all+set}" = set; then :
+  withval=$with_all; with_features=$withval
+else
+  with_features=yes
+fi
+
+
+
 
 
 # Check whether --with-pop was given.
 if test "${with_pop+set}" = set; then :
   withval=$with_pop;
 else
-     with_pop=yes
+     with_pop=$with_features
 fi
 
 if test "$with_pop" = yes; then
@@ -3845,7 +3928,7 @@ fi
 if test "${with_sound+set}" = set; then :
   withval=$with_sound;
 else
-     with_sound=yes
+     with_sound=$with_features
 fi
 
 
@@ -3854,7 +3937,7 @@ fi
 if test "${with_sync_input+set}" = set; then :
   withval=$with_sync_input;
 else
-     with_sync_input=yes
+     with_sync_input=$with_features
 fi
 
 if test "$with_sync_input" = yes; then
@@ -3904,7 +3987,7 @@ fi
 if test "${with_xpm+set}" = set; then :
   withval=$with_xpm;
 else
-     with_xpm=yes
+     with_xpm=$with_features
 fi
 
 
@@ -3912,7 +3995,7 @@ fi
 if test "${with_jpeg+set}" = set; then :
   withval=$with_jpeg;
 else
-     with_jpeg=yes
+     with_jpeg=$with_features
 fi
 
 
@@ -3920,7 +4003,7 @@ fi
 if test "${with_tiff+set}" = set; then :
   withval=$with_tiff;
 else
-     with_tiff=yes
+     with_tiff=$with_features
 fi
 
 
@@ -3928,7 +4011,7 @@ fi
 if test "${with_gif+set}" = set; then :
   withval=$with_gif;
 else
-     with_gif=yes
+     with_gif=$with_features
 fi
 
 
@@ -3936,7 +4019,7 @@ fi
 if test "${with_png+set}" = set; then :
   withval=$with_png;
 else
-     with_png=yes
+     with_png=$with_features
 fi
 
 
@@ -3944,7 +4027,7 @@ fi
 if test "${with_rsvg+set}" = set; then :
   withval=$with_rsvg;
 else
-     with_rsvg=yes
+     with_rsvg=$with_features
 fi
 
 
@@ -3952,7 +4035,7 @@ fi
 if test "${with_xml2+set}" = set; then :
   withval=$with_xml2;
 else
-     with_xml2=yes
+     with_xml2=$with_features
 fi
 
 
@@ -3960,7 +4043,7 @@ fi
 if test "${with_imagemagick+set}" = set; then :
   withval=$with_imagemagick;
 else
-     with_imagemagick=yes
+     with_imagemagick=$with_features
 fi
 
 
@@ -3969,7 +4052,7 @@ fi
 if test "${with_xft+set}" = set; then :
   withval=$with_xft;
 else
-     with_xft=yes
+     with_xft=$with_features
 fi
 
 
@@ -3977,7 +4060,7 @@ fi
 if test "${with_libotf+set}" = set; then :
   withval=$with_libotf;
 else
-     with_libotf=yes
+     with_libotf=$with_features
 fi
 
 
@@ -3985,7 +4068,7 @@ fi
 if test "${with_m17n_flt+set}" = set; then :
   withval=$with_m17n_flt;
 else
-     with_m17n_flt=yes
+     with_m17n_flt=$with_features
 fi
 
 
@@ -3994,7 +4077,7 @@ fi
 if test "${with_toolkit_scroll_bars+set}" = set; then :
   withval=$with_toolkit_scroll_bars;
 else
-     with_toolkit_scroll_bars=yes
+     with_toolkit_scroll_bars=$with_features
 fi
 
 
@@ -4002,7 +4085,7 @@ fi
 if test "${with_xaw3d+set}" = set; then :
   withval=$with_xaw3d;
 else
-     with_xaw3d=yes
+     with_xaw3d=$with_features
 fi
 
 
@@ -4010,7 +4093,7 @@ fi
 if test "${with_xim+set}" = set; then :
   withval=$with_xim;
 else
-     with_xim=yes
+     with_xim=$with_features
 fi
 
 
@@ -4027,7 +4110,7 @@ fi
 if test "${with_gpm+set}" = set; then :
   withval=$with_gpm;
 else
-     with_gpm=yes
+     with_gpm=$with_features
 fi
 
 
@@ -4035,7 +4118,7 @@ fi
 if test "${with_dbus+set}" = set; then :
   withval=$with_dbus;
 else
-     with_dbus=yes
+     with_dbus=$with_features
 fi
 
 
@@ -4043,7 +4126,7 @@ fi
 if test "${with_gconf+set}" = set; then :
   withval=$with_gconf;
 else
-     with_gconf=yes
+     with_gconf=$with_features
 fi
 
 
@@ -4051,7 +4134,7 @@ fi
 if test "${with_gsettings+set}" = set; then :
   withval=$with_gsettings;
 else
-     with_gsettings=yes
+     with_gsettings=$with_features
 fi
 
 
@@ -4059,7 +4142,7 @@ fi
 if test "${with_selinux+set}" = set; then :
   withval=$with_selinux;
 else
-     with_selinux=yes
+     with_selinux=$with_features
 fi
 
 
@@ -4067,7 +4150,7 @@ fi
 if test "${with_gnutls+set}" = set; then :
   withval=$with_gnutls;
 else
-     with_gnutls=yes
+     with_gnutls=$with_features
 fi
 
 
@@ -4078,7 +4161,7 @@ fi
 if test "${with_makeinfo+set}" = set; then :
   withval=$with_makeinfo;
 else
-     with_makeinfo=yes
+     with_makeinfo=$with_features
 fi
 
 
@@ -4092,7 +4175,7 @@ fi
 if test "${with_compress_info+set}" = set; then :
   withval=$with_compress_info;
 else
-     with_compress_info=yes
+     with_compress_info=$with_features
 fi
 
 if test $with_compress_info = yes; then
@@ -4152,28 +4235,6 @@ else
 fi
 
 
-# Check whether --enable-asserts was given.
-if test "${enable_asserts+set}" = set; then :
-  enableval=$enable_asserts; USE_XASSERTS=$enableval
-else
-  USE_XASSERTS=no
-fi
-
-
-# Check whether --enable-maintainer-mode was given.
-if test "${enable_maintainer_mode+set}" = set; then :
-  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
-else
-  USE_MAINTAINER_MODE=yes
-fi
-
-if test $USE_MAINTAINER_MODE = yes; then
-  MAINT=
-else
-  MAINT=#
-fi
-
-
 # Check whether --enable-locallisppath was given.
 if test "${enable_locallisppath+set}" = set; then :
   enableval=$enable_locallisppath; if test "${enableval}" = "no"; then
@@ -4200,19 +4261,22 @@ do
 	                ac_gc_check_string_overrun= ;
 	                ac_gc_check_string_free_list= ;
 	                ac_xmalloc_overrun= ;
-	                ac_gc_check_cons_list= ;;
+	                ac_gc_check_cons_list= ;
+			ac_glyphs_debug= ;;
 	all)		ac_enable_checking=1 ;
 			ac_gc_check_stringbytes=1 ;
 	                ac_gc_check_string_overrun=1 ;
 	                ac_gc_check_string_free_list=1 ;
 	                ac_xmalloc_overrun=1 ;
-	                ac_gc_check_cons_list=1 ;;
+	                ac_gc_check_cons_list=1 ;
+			ac_glyphs_debug=1 ;;
 	# these enable particular checks
 	stringbytes) 	ac_gc_check_stringbytes=1 ;;
 	stringoverrun) 	ac_gc_check_string_overrun=1 ;;
 	stringfreelist) ac_gc_check_string_free_list=1 ;;
 	xmallocoverrun)	ac_xmalloc_overrun=1 ;;
 	conslist)	ac_gc_check_cons_list=1 ;;
+	glyphs)		ac_glyphs_debug=1 ;;
 	*)	as_fn_error "unknown check category $check" "$LINENO" 5 ;;
 	esac
 done
@@ -4247,13 +4311,18 @@ if test x$ac_gc_check_cons_list != x ; then
 
 $as_echo "#define GC_CHECK_CONS_LIST 1" >>confdefs.h
 
+fi
+if test x$ac_glyphs_debug != x ; then
+
+$as_echo "#define GLYPH_DEBUG 1" >>confdefs.h
+
 fi
 
-# Check whether --enable-use-lisp-union-type was given.
-if test "${enable_use_lisp_union_type+set}" = set; then :
-  enableval=$enable_use_lisp_union_type; if test "${enableval}" != "no"; then
+# Check whether --enable-check-lisp-object-type was given.
+if test "${enable_check_lisp_object_type+set}" = set; then :
+  enableval=$enable_check_lisp_object_type; if test "${enableval}" != "no"; then
 
-$as_echo "#define USE_LISP_UNION_TYPE 1" >>confdefs.h
+$as_echo "#define CHECK_LISP_OBJECT_TYPE 1" >>confdefs.h
 
 fi
 fi
@@ -4304,9 +4373,6 @@ case "${srcdir}" in
   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 esac
 
-#### Given the configuration name, set machfile and opsysfile to the
-#### names of the m/*.h and s/*.h files we should use.
-
 ### Canonicalize the configuration name.
 
 # Make sure we can run config.sub.
@@ -4387,13 +4453,11 @@ configuration=${host_alias-${build_alias-$host}}
 
 ### If you add support for a new configuration, add code to this
 ### switch statement to recognize your configuration name and select
-### the appropriate operating system and machine description files.
+### the appropriate operating system file.
 
-### You would hope that you could choose an m/*.h file pretty much
-### based on the machine portion of the configuration name, and an s/*.h
+### You would hope that you could choose an s/*.h
 ### file based on the operating system portion.  However, it turns out
-### that each m/*.h file is pretty manufacturer-specific - for
-### example mips.h is MIPS
+### that each s/*.h file is pretty manufacturer-specific.
 ### So we basically have to have a special case for each
 ### configuration name.
 ###
@@ -4403,82 +4467,40 @@ configuration=${host_alias-${build_alias-$host}}
 ### prepared to handle anything reasonably.  If version numbers
 ### matter, be sure /etc/MACHINES says something about it.
 
-machine='' opsys='' unported=no
+opsys='' unported=no
 case "${canonical}" in
 
   ## GNU/Linux and similar ports
   *-*-linux* )
     opsys=gnu-linux
-    case ${canonical} in
-      alpha*)	machine=alpha ;;
-      s390x-*)	machine=ibms390x ;;
-      powerpc*)	machine=macppc ;;
-      sparc*)	machine=sparc ;;
-      ia64*)	machine=ia64 ;;
-      m68k*)	machine=m68k ;;
-      x86_64*)	machine=amdx86-64 ;;
-    esac
   ;;
 
   ## FreeBSD ports
   *-*-freebsd* )
     opsys=freebsd
-    case "${canonical}" in
-      alpha*)           machine=alpha ;;
-      amd64-*|x86_64-*) machine=amdx86-64 ;;
-      ia64-*)           machine=ia64 ;;
-      i[3456]86-*)      machine=intel386 ;;
-      powerpc-*)        machine=macppc ;;
-      sparc-*)          machine=sparc ;;
-      sparc64-*)        machine=sparc ;;
-    esac
   ;;
 
   ## FreeBSD kernel + glibc based userland
   *-*-kfreebsd*gnu* )
     opsys=gnu-kfreebsd
-    case "${canonical}" in
-      alpha*)           machine=alpha ;;
-      amd64-*|x86_64-*) machine=amdx86-64 ;;
-      ia64-*)           machine=ia64 ;;
-      i[3456]86-*)      machine=intel386 ;;
-      powerpc-*)        machine=macppc ;;
-      sparc-*)          machine=sparc ;;
-      sparc64-*)        machine=sparc ;;
-    esac
   ;;
 
   ## NetBSD ports
   *-*-netbsd* )
     opsys=netbsd
-    case "${canonical}" in
-      alpha*)      machine=alpha ;;
-      x86_64-*)    machine=amdx86-64 ;;
-      i[3456]86-*) machine=intel386 ;;
-      m68k-*)      machine=m68k ;;
-      powerpc-*)   machine=macppc ;;
-      sparc*-)     machine=sparc ;;
-    esac
   ;;
 
   ## OpenBSD ports
   *-*-openbsd* )
     opsys=openbsd
-    case "${canonical}" in
-      alpha*)    machine=alpha ;;
-      x86_64-*)  machine=amdx86-64 ;;
-      i386-*)    machine=intel386 ;;
-      powerpc-*) machine=macppc ;;
-      sparc*)    machine=sparc ;;
-    esac
   ;;
 
   ## Apple Darwin / Mac OS X
   *-apple-darwin* )
     case "${canonical}" in
-      i[3456]86-* )  machine=intel386 ;;
-      powerpc-* )    machine=macppc ;;
-      x86_64-* )     machine=amdx86-64 ;;
+      i[3456]86-* )  ;;
+      powerpc-* )    ;;
+      x86_64-* )     ;;
       * )            unported=yes ;;
     esac
     opsys=darwin
@@ -4501,16 +4523,16 @@ case "${canonical}" in
 
   ## IBM machines
   rs6000-ibm-aix4.[23]* )
-    machine=ibmrs6000 opsys=aix4-2
+    opsys=aix4-2
   ;;
   powerpc-ibm-aix4.[23]*  )
-    machine=ibmrs6000 opsys=aix4-2
+    opsys=aix4-2
   ;;
   rs6000-ibm-aix[56]* )
-    machine=ibmrs6000 opsys=aix4-2
+    opsys=aix4-2
   ;;
   powerpc-ibm-aix[56]*  )
-    machine=ibmrs6000 opsys=aix4-2
+    opsys=aix4-2
   ;;
 
   ## Silicon Graphics machines
@@ -4528,9 +4550,9 @@ case "${canonical}" in
     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
     | x86_64-*-solaris2*    | x86_64-*-sunos5*)
     case "${canonical}" in
-      i[3456]86-*-* )     machine=intel386 ;;
-      amd64-*-*|x86_64-*-*)	machine=amdx86-64 ;;
-      sparc* )		machine=sparc ;;
+      i[3456]86-*-* )   ;;
+      amd64-*-*|x86_64-*-*) ;;
+      sparc* )		;;
       * )		unported=yes ;;
     esac
     case "${canonical}" in
@@ -4562,7 +4584,6 @@ case "${canonical}" in
 
   ## Intel 386 machines where we don't care about the manufacturer.
   i[3456]86-*-* )
-    machine=intel386
     case "${canonical}" in
       *-cygwin )                opsys=cygwin ;;
       *-darwin* )               opsys=darwin ;;
@@ -4600,13 +4621,6 @@ if test $unported = yes; then
 Check \`etc/MACHINES' for recognized configuration names." "$LINENO" 5
 fi
 
-if test -n "$machine"; then
-  machfile="m/${machine}.h"
-else
-  machfile=
-fi
-opsysfile="s/${opsys}.h"
-
 
 #### Choose a compiler.
 
@@ -6937,21 +6951,30 @@ esac
 
   # Code from module alloca-opt:
   # Code from module allocator:
+  # Code from module c-ctype:
+  # Code from module c-strcase:
   # Code from module careadlinkat:
+  # Code from module clock-time:
   # Code from module crypto/md5:
   # Code from module crypto/sha1:
   # Code from module crypto/sha256:
   # Code from module crypto/sha512:
   # Code from module dosname:
   # Code from module dtoastr:
+  # Code from module dtotimespec:
   # Code from module dup2:
+  # Code from module environ:
+  # Code from module execinfo:
   # Code from module extensions:
 
+  # Code from module extern-inline:
   # Code from module filemode:
   # Code from module getloadavg:
   # Code from module getopt-gnu:
   # Code from module getopt-posix:
   # Code from module gettext-h:
+  # Code from module gettime:
+  # Code from module gettimeofday:
   # Code from module ignore-value:
   # Code from module include_next:
   # Code from module intprops:
@@ -6964,10 +6987,10 @@ esac
   # Code from module multiarch:
   # Code from module nocrash:
   # Code from module pathmax:
+  # Code from module pselect:
   # Code from module pthread_sigmask:
   # Code from module readlink:
   # Code from module signal-h:
-  # Code from module sigprocmask:
   # Code from module snippet/_Noreturn:
   # Code from module snippet/arg-nonnull:
   # Code from module snippet/c++defs:
@@ -6975,6 +6998,8 @@ esac
   # Code from module socklen:
   # Code from module ssize_t:
   # Code from module stat:
+  # Code from module stat-time:
+  # Code from module stdalign:
   # Code from module stdarg:
 
 
@@ -6990,32 +7015,130 @@ esac
   # Code from module strtoull:
   # Code from module strtoumax:
   # Code from module symlink:
+  # Code from module sys_select:
   # Code from module sys_stat:
+  # Code from module sys_time:
   # Code from module time:
   # Code from module time_r:
+  # Code from module timespec:
+  # Code from module timespec-add:
+  # Code from module timespec-sub:
   # Code from module u64:
   # Code from module unistd:
+  # Code from module utimens:
   # Code from module verify:
   # Code from module warnings:
 
 
-# Check whether --enable-gcc-warnings was given.
-if test "${enable_gcc_warnings+set}" = set; then :
-  enableval=$enable_gcc_warnings; case $enableval in
-     yes|no) ;;
-     *)      as_fn_error "bad value $enableval for gcc-warnings option" "$LINENO" 5 ;;
-   esac
-   gl_gcc_warnings=$enableval
+# It's helpful to have C macros available to GDB, so prefer -g3 to -g
+# if -g3 works and the user does not specify CFLAGS.
+# This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
+if test "$ac_test_CFLAGS" != set; then
+  case $CFLAGS in
+    '-g')
+      emacs_g3_CFLAGS='-g3';;
+    '-g -O2')
+      emacs_g3_CFLAGS='-g3 -O2';;
+    *)
+      emacs_g3_CFLAGS='';;
+  esac
+  if test -n "$emacs_g3_CFLAGS"; then
+    emacs_save_CFLAGS=$CFLAGS
+    CFLAGS=$emacs_g3_CFLAGS
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts $emacs_g3_CFLAGS" >&5
+$as_echo_n "checking whether $CC accepts $emacs_g3_CFLAGS... " >&6; }
+if test "${emacs_cv_prog_cc_g3+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  gl_gcc_warnings=no
-
-fi
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
+int
+main ()
+{
 
-# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
-# ------------------------------------------------
-# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
-# Otherwise, run RUN-IF-NOT-FOUND.
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  emacs_cv_prog_cc_g3=yes
+else
+  emacs_cv_prog_cc_g3=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_prog_cc_g3" >&5
+$as_echo "$emacs_cv_prog_cc_g3" >&6; }
+    if test $emacs_cv_prog_cc_g3 = yes; then
+      CFLAGS=$emacs_g3_CFLAGS
+    else
+      CFLAGS=$emacs_save_CFLAGS
+    fi
+  fi
+fi
+
+# Check whether --enable-gcc-warnings was given.
+if test "${enable_gcc_warnings+set}" = set; then :
+  enableval=$enable_gcc_warnings; case $enableval in
+     yes|no) ;;
+     *)      as_fn_error "bad value $enableval for gcc-warnings option" "$LINENO" 5 ;;
+   esac
+   gl_gcc_warnings=$enableval
+else
+  gl_gcc_warnings=no
+
+fi
+
+
+# Check whether --enable-link-time-optimization was given.
+if test "${enable_link_time_optimization+set}" = set; then :
+  enableval=$enable_link_time_optimization; if test "${enableval}" != "no"; then
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether link-time optimization is supported" >&5
+$as_echo_n "checking whether link-time optimization is supported... " >&6; }
+   ac_lto_supported=no
+   if test x$GCC = xyes; then
+      CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
+      if test x$CPUS != x; then
+      	 LTO="-flto=$CPUS"
+      else
+	 LTO="-flto"
+      fi
+      old_CFLAGS=$CFLAGS
+      CFLAGS="$CFLAGS $LTO"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_lto_supported=yes
+else
+  ac_lto_supported=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      CFLAGS="$old_CFLAGS"
+   fi
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_lto_supported" >&5
+$as_echo "$ac_lto_supported" >&6; }
+   if test "$ac_lto_supported" = "yes"; then
+      CFLAGS="$CFLAGS $LTO"
+   fi
+fi
+fi
+
+
+# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
+# ------------------------------------------------
+# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
+# Otherwise, run RUN-IF-NOT-FOUND.
 
 
 # When compiling with GCC, prefer -isystem to -I when including system
@@ -7041,7 +7164,7 @@ if test "${gl_cv_warn_c__Werror+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Werror"
+  as_fn_append CFLAGS " -Werror"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7068,6 +7191,7 @@ if test "x$gl_cv_warn_c__Werror" = x""yes; then :
   as_fn_append WERROR_CFLAGS " -Werror"
 fi
 
+
        ;;
   esac
 
@@ -7083,16 +7207,20 @@ fi
   nw="$nw -Wsign-conversion"        # Too many warnings for now
   nw="$nw -Woverlength-strings"     # Not a problem these days
   nw="$nw -Wtraditional-conversion" # Too many warnings for now
+  nw="$nw -Wunreachable-code"       # so buggy that it's now silently ignored
   nw="$nw -Wpadded"                 # Our structs are not padded
-  nw="$nw -Wredundant-decls"        # We regularly (re)declare getenv etc.
+  nw="$nw -Wredundant-decls"        # we regularly (re)declare functions
   nw="$nw -Wlogical-op"             # any use of fwrite provokes this
-  nw="$nw -Wformat-nonliteral"      # Emacs does this a lot
+  nw="$nw -Wformat-nonliteral"      # we do this a lot
   nw="$nw -Wvla"                    # warnings in gettext.h
   nw="$nw -Wnested-externs"         # use of XARGMATCH/verify_function__
   nw="$nw -Wswitch-enum"            # Too many warnings for now
   nw="$nw -Wswitch-default"         # Too many warnings for now
-  nw="$nw -Wfloat-equal"            # e.g., ftoastr.c
-  nw="$nw -Winline"                 # e.g., dispnew.c's inlining of row_equal_p
+  nw="$nw -Wfloat-equal"            # warns about high-quality code
+  nw="$nw -Winline"                 # OK to ignore 'inline'
+  nw="$nw -Wjump-misses-init"       # We sometimes safely jump over init.
+  nw="$nw -Wsync-nand"              # irrelevant here, and provokes ObjC warning
+  nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
 
   # Emacs doesn't care about shadowing; see
   # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
@@ -7101,7 +7229,6 @@ fi
   # The following lines should be removable at some point.
   nw="$nw -Wstack-protector"
   nw="$nw -Wstrict-overflow"
-  nw="$nw -Wsuggest-attribute=const"
   nw="$nw -Wsuggest-attribute=pure"
 
 
@@ -7181,96 +7308,118 @@ $as_echo "$gl_cv_cc_nomfi_needed" >&6; }
 
   gl_manywarn_set=
   for gl_manywarn_item in \
-    -Wall \
     -W \
-    -Wformat-y2k \
-    -Wformat-nonliteral \
-    -Wformat-security \
-    -Winit-self \
-    -Wmissing-include-dirs \
-    -Wswitch-default \
-    -Wswitch-enum \
-    -Wunused \
-    -Wunknown-pragmas \
-    -Wstrict-aliasing \
-    -Wstrict-overflow \
-    -Wsystem-headers \
-    -Wfloat-equal \
-    -Wtraditional \
-    -Wtraditional-conversion \
-    -Wdeclaration-after-statement \
-    -Wundef \
-    -Wshadow \
-    -Wunsafe-loop-optimizations \
-    -Wpointer-arith \
+    -Wabi \
+    -Waddress \
+    -Wall \
+    -Warray-bounds \
+    -Wattributes \
     -Wbad-function-cast \
-    -Wc++-compat \
-    -Wcast-qual \
-    -Wcast-align \
-    -Wwrite-strings \
-    -Wconversion \
-    -Wsign-conversion \
-    -Wlogical-op \
-    -Waggregate-return \
-    -Wstrict-prototypes \
-    -Wold-style-definition \
-    -Wmissing-prototypes \
-    -Wmissing-declarations \
-    -Wmissing-noreturn \
-    -Wmissing-format-attribute \
-    -Wpacked \
-    -Wpadded \
-    -Wredundant-decls \
-    -Wnested-externs \
-    -Wunreachable-code \
-    -Winline \
-    -Winvalid-pch \
-    -Wlong-long \
-    -Wvla \
-    -Wvolatile-register-var \
-    -Wdisabled-optimization \
-    -Wstack-protector \
-    -Woverlength-strings \
     -Wbuiltin-macro-redefined \
-    -Wmudflap \
-    -Wpacked-bitfield-compat \
-    -Wsync-nand \
-    ; do
-    gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
-  done
-  # The following are not documented in the manual but are included in
-  # output from gcc --help=warnings.
-  for gl_manywarn_item in \
-    -Wattributes \
+    -Wcast-align \
+    -Wchar-subscripts \
+    -Wclobbered \
+    -Wcomment \
+    -Wcomments \
     -Wcoverage-mismatch \
-    -Wmultichar \
-    -Wunused-macros \
-    ; do
-    gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
-  done
-  # More warnings from gcc 4.6.2 --help=warnings.
-  for gl_manywarn_item in \
-    -Wabi \
     -Wcpp \
     -Wdeprecated \
     -Wdeprecated-declarations \
+    -Wdisabled-optimization \
     -Wdiv-by-zero \
     -Wdouble-promotion \
+    -Wempty-body \
     -Wendif-labels \
+    -Wenum-compare \
     -Wextra \
     -Wformat-contains-nul \
     -Wformat-extra-args \
+    -Wformat-nonliteral \
+    -Wformat-security \
+    -Wformat-y2k \
     -Wformat-zero-length \
     -Wformat=2 \
+    -Wfree-nonheap-object \
+    -Wignored-qualifiers \
+    -Wimplicit \
+    -Wimplicit-function-declaration \
+    -Wimplicit-int \
+    -Winit-self \
+    -Winline \
+    -Wint-to-pointer-cast \
+    -Winvalid-memory-model \
+    -Winvalid-pch \
+    -Wjump-misses-init \
+    -Wlogical-op \
+    -Wmain \
+    -Wmaybe-uninitialized \
+    -Wmissing-braces \
+    -Wmissing-declarations \
+    -Wmissing-field-initializers \
+    -Wmissing-format-attribute \
+    -Wmissing-include-dirs \
+    -Wmissing-noreturn \
+    -Wmissing-parameter-type \
+    -Wmissing-prototypes \
+    -Wmudflap \
     -Wmultichar \
+    -Wnarrowing \
+    -Wnested-externs \
+    -Wnonnull \
     -Wnormalized=nfc \
+    -Wold-style-declaration \
+    -Wold-style-definition \
     -Woverflow \
+    -Woverlength-strings \
+    -Woverride-init \
+    -Wpacked \
+    -Wpacked-bitfield-compat \
+    -Wparentheses \
+    -Wpointer-arith \
+    -Wpointer-sign \
     -Wpointer-to-int-cast \
     -Wpragmas \
+    -Wreturn-type \
+    -Wsequence-point \
+    -Wshadow \
+    -Wsizeof-pointer-memaccess \
+    -Wstack-protector \
+    -Wstrict-aliasing \
+    -Wstrict-overflow \
+    -Wstrict-prototypes \
     -Wsuggest-attribute=const \
+    -Wsuggest-attribute=format \
     -Wsuggest-attribute=noreturn \
     -Wsuggest-attribute=pure \
+    -Wswitch \
+    -Wswitch-default \
+    -Wsync-nand \
+    -Wsystem-headers \
     -Wtrampolines \
+    -Wtrigraphs \
+    -Wtype-limits \
+    -Wuninitialized \
+    -Wunknown-pragmas \
+    -Wunreachable-code \
+    -Wunsafe-loop-optimizations \
+    -Wunused \
+    -Wunused-but-set-parameter \
+    -Wunused-but-set-variable \
+    -Wunused-function \
+    -Wunused-label \
+    -Wunused-local-typedefs \
+    -Wunused-macros \
+    -Wunused-parameter \
+    -Wunused-result \
+    -Wunused-value \
+    -Wunused-variable \
+    -Wvarargs \
+    -Wvariadic-macros \
+    -Wvector-operation-performance \
+    -Wvla \
+    -Wvolatile-register-var \
+    -Wwrite-strings \
+    \
     ; do
     gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
   done
@@ -7306,7 +7455,7 @@ if { as_var=$as_gl_Warn; eval "test \"\${$as_var+set}\" = set"; }; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS $w"
+  as_fn_append CFLAGS " $w"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7335,6 +7484,7 @@ eval as_val=\$$as_gl_Warn
   as_fn_append WARN_CFLAGS " $w"
 fi
 
+
   done
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-missing-field-initializers" >&5
 $as_echo_n "checking whether C compiler handles -Wno-missing-field-initializers... " >&6; }
@@ -7343,7 +7493,7 @@ if test "${gl_cv_warn_c__Wno_missing_field_initializers+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-missing-field-initializers"
+  as_fn_append CFLAGS " -Wno-missing-field-initializers"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7369,6 +7519,7 @@ $as_echo "$gl_cv_warn_c__Wno_missing_field_initializers" >&6; }
 if test "x$gl_cv_warn_c__Wno_missing_field_initializers" = x""yes; then :
   as_fn_append WARN_CFLAGS " -Wno-missing-field-initializers"
 fi
+
  # We need this one
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-sign-compare" >&5
 $as_echo_n "checking whether C compiler handles -Wno-sign-compare... " >&6; }
@@ -7377,7 +7528,7 @@ if test "${gl_cv_warn_c__Wno_sign_compare+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-sign-compare"
+  as_fn_append CFLAGS " -Wno-sign-compare"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7403,6 +7554,7 @@ $as_echo "$gl_cv_warn_c__Wno_sign_compare" >&6; }
 if test "x$gl_cv_warn_c__Wno_sign_compare" = x""yes; then :
   as_fn_append WARN_CFLAGS " -Wno-sign-compare"
 fi
+
      # Too many warnings for now
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-type-limits" >&5
 $as_echo_n "checking whether C compiler handles -Wno-type-limits... " >&6; }
@@ -7411,7 +7563,7 @@ if test "${gl_cv_warn_c__Wno_type_limits+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-type-limits"
+  as_fn_append CFLAGS " -Wno-type-limits"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7437,6 +7589,7 @@ $as_echo "$gl_cv_warn_c__Wno_type_limits" >&6; }
 if test "x$gl_cv_warn_c__Wno_type_limits" = x""yes; then :
   as_fn_append WARN_CFLAGS " -Wno-type-limits"
 fi
+
       # Too many warnings for now
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-switch" >&5
 $as_echo_n "checking whether C compiler handles -Wno-switch... " >&6; }
@@ -7445,7 +7598,7 @@ if test "${gl_cv_warn_c__Wno_switch+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-switch"
+  as_fn_append CFLAGS " -Wno-switch"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7471,6 +7624,7 @@ $as_echo "$gl_cv_warn_c__Wno_switch" >&6; }
 if test "x$gl_cv_warn_c__Wno_switch" = x""yes; then :
   as_fn_append WARN_CFLAGS " -Wno-switch"
 fi
+
            # Too many warnings for now
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-unused-parameter" >&5
 $as_echo_n "checking whether C compiler handles -Wno-unused-parameter... " >&6; }
@@ -7479,7 +7633,7 @@ if test "${gl_cv_warn_c__Wno_unused_parameter+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-unused-parameter"
+  as_fn_append CFLAGS " -Wno-unused-parameter"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7505,6 +7659,7 @@ $as_echo "$gl_cv_warn_c__Wno_unused_parameter" >&6; }
 if test "x$gl_cv_warn_c__Wno_unused_parameter" = x""yes; then :
   as_fn_append WARN_CFLAGS " -Wno-unused-parameter"
 fi
+
  # Too many warnings for now
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-format-nonliteral" >&5
 $as_echo_n "checking whether C compiler handles -Wno-format-nonliteral... " >&6; }
@@ -7513,7 +7668,7 @@ if test "${gl_cv_warn_c__Wno_format_nonliteral+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-format-nonliteral"
+  as_fn_append CFLAGS " -Wno-format-nonliteral"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7541,6 +7696,7 @@ if test "x$gl_cv_warn_c__Wno_format_nonliteral" = x""yes; then :
 fi
 
 
+
   # In spite of excluding -Wlogical-op above, it is enabled, as of
   # gcc 4.5.0 20090517.
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -Wno-logical-op" >&5
@@ -7550,7 +7706,7 @@ if test "${gl_cv_warn_c__Wno_logical_op+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wno-logical-op"
+  as_fn_append CFLAGS " -Wno-logical-op"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7578,6 +7734,7 @@ if test "x$gl_cv_warn_c__Wno_logical_op" = x""yes; then :
 fi
 
 
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -fdiagnostics-show-option" >&5
 $as_echo_n "checking whether C compiler handles -fdiagnostics-show-option... " >&6; }
 if test "${gl_cv_warn_c__fdiagnostics_show_option+set}" = set; then :
@@ -7585,7 +7742,7 @@ if test "${gl_cv_warn_c__fdiagnostics_show_option+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -fdiagnostics-show-option"
+  as_fn_append CFLAGS " -fdiagnostics-show-option"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7612,6 +7769,7 @@ if test "x$gl_cv_warn_c__fdiagnostics_show_option" = x""yes; then :
   as_fn_append WARN_CFLAGS " -fdiagnostics-show-option"
 fi
 
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler handles -funit-at-a-time" >&5
 $as_echo_n "checking whether C compiler handles -funit-at-a-time... " >&6; }
 if test "${gl_cv_warn_c__funit_at_a_time+set}" = set; then :
@@ -7619,7 +7777,7 @@ if test "${gl_cv_warn_c__funit_at_a_time+set}" = set; then :
 else
 
   gl_save_compiler_FLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -funit-at-a-time"
+  as_fn_append CFLAGS " -funit-at-a-time"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -7648,10 +7806,9 @@ fi
 
 
 
-$as_echo "#define lint 1" >>confdefs.h
 
+$as_echo "#define lint 1" >>confdefs.h
 
-$as_echo "#define _FORTIFY_SOURCE 2" >>confdefs.h
 
 
 $as_echo "#define GNULIB_PORTCHECK 1" >>confdefs.h
@@ -7682,23 +7839,17 @@ fi
 
 
 
-
-## Although we're running on an amd64 kernel, we're actually compiling for
-## the x86 architecture.  The user should probably have provided an
-## explicit --build to `configure', but if everything else than the kernel
-## is running in i386 mode, we can help them out.
-if test "$machine" = "amdx86-64"; then
-  ac_fn_c_check_decl "$LINENO" "i386" "ac_cv_have_decl_i386" "$ac_includes_default"
-if test "x$ac_cv_have_decl_i386" = x""yes; then :
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+$as_echo_n "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+$as_echo "no, using $LN_S" >&6; }
 fi
 
-  if test "$ac_cv_have_decl_i386" = "yes"; then
-    canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
-    machine=intel386
-    machfile="m/${machine}.h"
-  fi
-fi
 
 # Extract the first word of "install-info", so it can be a program name with args.
 set dummy install-info; ac_word=$2
@@ -7713,7 +7864,7 @@ else
   ;;
   *)
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
+for as_dir in $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
@@ -7727,6 +7878,7 @@ done
   done
 IFS=$as_save_IFS
 
+  test -z "$ac_cv_path_INSTALL_INFO" && ac_cv_path_INSTALL_INFO=":"
   ;;
 esac
 fi
@@ -7740,26 +7892,26 @@ $as_echo "no" >&6; }
 fi
 
 
-# Extract the first word of "install-info", so it can be a program name with args.
-set dummy install-info; ac_word=$2
+# Extract the first word of "gzip", so it can be a program name with args.
+set dummy gzip; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_INSTALL_INFO+set}" = set; then :
+if test "${ac_cv_path_GZIP_PROG+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  case $INSTALL_INFO in
+  case $GZIP_PROG in
   [\\/]* | ?:[\\/]*)
-  ac_cv_path_INSTALL_INFO="$INSTALL_INFO" # Let the user override the test with a path.
+  ac_cv_path_GZIP_PROG="$GZIP_PROG" # Let the user override the test with a path.
   ;;
   *)
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /usr/sbin
+for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_INSTALL_INFO="$as_dir/$ac_word$ac_exec_ext"
+    ac_cv_path_GZIP_PROG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -7770,36 +7922,38 @@ IFS=$as_save_IFS
   ;;
 esac
 fi
-INSTALL_INFO=$ac_cv_path_INSTALL_INFO
-if test -n "$INSTALL_INFO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL_INFO" >&5
-$as_echo "$INSTALL_INFO" >&6; }
+GZIP_PROG=$ac_cv_path_GZIP_PROG
+if test -n "$GZIP_PROG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GZIP_PROG" >&5
+$as_echo "$GZIP_PROG" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
 
-# Extract the first word of "install-info", so it can be a program name with args.
-set dummy install-info; ac_word=$2
+
+if test $opsys = gnu-linux; then
+  # Extract the first word of "paxctl", so it can be a program name with args.
+set dummy paxctl; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_INSTALL_INFO+set}" = set; then :
+if test "${ac_cv_path_PAXCTL+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  case $INSTALL_INFO in
+  case $PAXCTL in
   [\\/]* | ?:[\\/]*)
-  ac_cv_path_INSTALL_INFO="$INSTALL_INFO" # Let the user override the test with a path.
+  ac_cv_path_PAXCTL="$PAXCTL" # Let the user override the test with a path.
   ;;
   *)
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /sbin
+for as_dir in $PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_INSTALL_INFO="$as_dir/$ac_word$ac_exec_ext"
+    ac_cv_path_PAXCTL="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -7807,62 +7961,44 @@ done
   done
 IFS=$as_save_IFS
 
-  test -z "$ac_cv_path_INSTALL_INFO" && ac_cv_path_INSTALL_INFO=":"
   ;;
 esac
 fi
-INSTALL_INFO=$ac_cv_path_INSTALL_INFO
-if test -n "$INSTALL_INFO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL_INFO" >&5
-$as_echo "$INSTALL_INFO" >&6; }
+PAXCTL=$ac_cv_path_PAXCTL
+if test -n "$PAXCTL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PAXCTL" >&5
+$as_echo "$PAXCTL" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
 
-# Extract the first word of "gzip", so it can be a program name with args.
-set dummy gzip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_GZIP_PROG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $GZIP_PROG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_GZIP_PROG="$GZIP_PROG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_GZIP_PROG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
+  if test "X$PAXCTL" != X; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether binaries have a PT_PAX_FLAGS header" >&5
+$as_echo_n "checking whether binaries have a PT_PAX_FLAGS header... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-  ;;
-esac
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }; PAXCTL=""; fi
 fi
-GZIP_PROG=$ac_cv_path_GZIP_PROG
-if test -n "$GZIP_PROG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GZIP_PROG" >&5
-$as_echo "$GZIP_PROG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  fi
 fi
 
-
-
-
 ## Need makeinfo >= 4.7 (?) to build the manuals.
 # Extract the first word of "makeinfo", so it can be a program name with args.
 set dummy makeinfo; ac_word=$2
@@ -8075,7 +8211,8 @@ esac
 
 
 C_SWITCH_MACHINE=
-if test "$machine" = "alpha"; then
+case $canonical in
+ alpha*)
   ac_fn_c_check_decl "$LINENO" "__ELF__" "ac_cv_have_decl___ELF__" "$ac_includes_default"
 if test "x$ac_cv_have_decl___ELF__" = x""yes; then :
 
@@ -8095,7 +8232,8 @@ fi
   else
     UNEXEC_OBJ=unexalpha.o
   fi
-fi
+  ;;
+esac
 
 
 
@@ -8141,211 +8279,11 @@ fi
 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
 
 
-# Check whether --enable-largefile was given.
-if test "${enable_largefile+set}" = set; then :
-  enableval=$enable_largefile;
-fi
-
-if test "$enable_largefile" != no; then
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
-$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
-if test "${ac_cv_sys_largefile_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_sys_largefile_CC=no
-     if test "$GCC" != yes; then
-       ac_save_CC=$CC
-       while :; do
-         # IRIX 6.2 and later do not support large files by default,
-         # so use the C compiler's -n32 option if that helps.
-         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-                       && LARGE_OFF_T % 2147483647 == 1)
-                      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-         if ac_fn_c_try_compile "$LINENO"; then :
-  break
-fi
-rm -f core conftest.err conftest.$ac_objext
-         CC="$CC -n32"
-         if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_largefile_CC=' -n32'; break
-fi
-rm -f core conftest.err conftest.$ac_objext
-         break
-       done
-       CC=$ac_save_CC
-       rm -f conftest.$ac_ext
-    fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
-$as_echo "$ac_cv_sys_largefile_CC" >&6; }
-  if test "$ac_cv_sys_largefile_CC" != no; then
-    CC=$CC$ac_cv_sys_largefile_CC
-  fi
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
-$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
-if test "${ac_cv_sys_file_offset_bits+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  while :; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-                       && LARGE_OFF_T % 2147483647 == 1)
-                      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_file_offset_bits=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#define _FILE_OFFSET_BITS 64
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-                       && LARGE_OFF_T % 2147483647 == 1)
-                      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_file_offset_bits=64; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  ac_cv_sys_file_offset_bits=unknown
-  break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
-$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
-case $ac_cv_sys_file_offset_bits in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
-_ACEOF
-;;
-esac
-rm -rf conftest*
-  if test $ac_cv_sys_file_offset_bits = unknown; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
-$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
-if test "${ac_cv_sys_large_files+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  while :; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-                       && LARGE_OFF_T % 2147483647 == 1)
-                      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_large_files=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#define _LARGE_FILES 1
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-                       && LARGE_OFF_T % 2147483647 == 1)
-                      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sys_large_files=1; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  ac_cv_sys_large_files=unknown
-  break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
-$as_echo "$ac_cv_sys_large_files" >&6; }
-case $ac_cv_sys_large_files in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGE_FILES $ac_cv_sys_large_files
-_ACEOF
-;;
-esac
-rm -rf conftest*
-  fi
-
-
-fi
-
-
 
 LIB_MATH=-lm
 LIB_STANDARD=
 START_FILES=
+SYSTEM_TYPE=`echo $opsys | sed -e 's/[0-9].*//' -e 's|-|/|'`
 
 case $opsys in
   cygwin )
@@ -8358,8 +8296,9 @@ case $opsys in
     START_FILES='pre-crt0.o'
     ;;
   freebsd )
-    LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
-    START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
+    LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
+    START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
+    SYSTEM_TYPE=berkeley-unix
     ;;
   gnu-linux | gnu-kfreebsd )
     LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
@@ -8372,12 +8311,23 @@ case $opsys in
     netbsd | openbsd )
     LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
     START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
+    SYSTEM_TYPE=berkeley-unix
+    ;;
+
+  sol2* | unixware )
+    SYSTEM_TYPE=usg-unix-v
     ;;
+
 esac
 
 
 
 
+cat >>confdefs.h <<_ACEOF
+#define SYSTEM_TYPE "$SYSTEM_TYPE"
+_ACEOF
+
+
 crt_files=
 
 for file in x $LIB_STANDARD $START_FILES; do
@@ -8484,6 +8434,51 @@ case $opsys in
 esac
 
 
+pre_PKG_CONFIG_CFLAGS=$CFLAGS
+pre_PKG_CONFIG_LIBS=$LIBS
+
+# Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
 
 
 
@@ -8553,48 +8548,6 @@ fi
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      HAVE_ALSA=no
   else
@@ -8710,14 +8663,14 @@ $as_echo "#define HAVE_SOUND 1" >>confdefs.h
 
 fi
 
-for ac_header in sys/select.h sys/time.h unistd.h utime.h \
-  linux/version.h sys/systeminfo.h \
-  stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
-  sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
-  sys/utsname.h pwd.h utmp.h dirent.h util.h
+
+
+
+  for ac_header in $ac_header_list
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
 eval as_val=\$$as_ac_Header
    if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
@@ -8729,6 +8682,33 @@ fi
 done
 
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if personality LINUX32 can be set" >&5
 $as_echo_n "checking if personality LINUX32 can be set... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -8876,49 +8856,6 @@ $as_echo "#define HAVE_SYS_WAIT_H 1" >>confdefs.h
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct utimbuf" >&5
-$as_echo_n "checking for struct utimbuf... " >&6; }
-if test "${emacs_cv_struct_utimbuf+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef TIME_WITH_SYS_TIME
-#include <sys/time.h>
-#include <time.h>
-#else
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#else
-#include <time.h>
-#endif
-#endif
-#ifdef HAVE_UTIME_H
-#include <utime.h>
-#endif
-int
-main ()
-{
-static struct utimbuf x; x.actime = x.modtime;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_struct_utimbuf=yes
-else
-  emacs_cv_struct_utimbuf=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_struct_utimbuf" >&5
-$as_echo "$emacs_cv_struct_utimbuf" >&6; }
-if test $emacs_cv_struct_utimbuf = yes; then
-
-$as_echo "#define HAVE_STRUCT_UTIMBUF 1" >>confdefs.h
-
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for speed_t" >&5
 $as_echo_n "checking for speed_t... " >&6; }
 if test "${emacs_cv_speed_t+set}" = set; then :
@@ -8950,47 +8887,6 @@ $as_echo "#define HAVE_SPEED_T 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct timeval" >&5
-$as_echo_n "checking for struct timeval... " >&6; }
-if test "${emacs_cv_struct_timeval+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifdef TIME_WITH_SYS_TIME
-#include <sys/time.h>
-#include <time.h>
-#else
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#else
-#include <time.h>
-#endif
-#endif
-int
-main ()
-{
-static struct timeval x; x.tv_sec = x.tv_usec;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_struct_timeval=yes
-else
-  emacs_cv_struct_timeval=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_struct_timeval" >&5
-$as_echo "$emacs_cv_struct_timeval" >&6; }
-HAVE_TIMEVAL=$emacs_cv_struct_timeval
-if test $emacs_cv_struct_timeval = yes; then
-
-$as_echo "#define HAVE_TIMEVAL 1" >>confdefs.h
-
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct exception" >&5
 $as_echo_n "checking for struct exception... " >&6; }
 if test "${emacs_cv_struct_exception+set}" = set; then :
@@ -9017,23 +8913,14 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_struct_exception" >&5
 $as_echo "$emacs_cv_struct_exception" >&6; }
 HAVE_EXCEPTION=$emacs_cv_struct_exception
-if test $emacs_cv_struct_exception != yes; then
+if test $emacs_cv_struct_exception != yes || test $opsys = darwin; then
 
 $as_echo "#define NO_MATHERR 1" >>confdefs.h
 
 fi
 
-for ac_header in sys/socket.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_socket_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_SOCKET_H 1
-_ACEOF
 
-fi
 
-done
 
 for ac_header in net/if.h
 do :
@@ -9083,19 +8970,6 @@ fi
 
 done
 
-for ac_func in getifaddrs freeifaddrs
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-done
-
 
 ac_fn_c_check_member "$LINENO" "struct ifreq" "ifr_flags" "ac_cv_member_struct_ifreq_ifr_flags" "$ac_includes_default
 #if HAVE_SYS_SOCKET_H
@@ -9196,520 +9070,70 @@ fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for function prototypes" >&5
-$as_echo_n "checking for function prototypes... " >&6; }
-if test "$ac_cv_prog_cc_c89" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-$as_echo "#define PROTOTYPES 1" >>confdefs.h
-
-
-$as_echo "#define __PROTOTYPES 1" >>confdefs.h
-
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working volatile" >&5
-$as_echo_n "checking for working volatile... " >&6; }
-if test "${ac_cv_c_volatile+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+DEPFLAGS=
+MKDEPDIR=":"
+deps_frag=deps.mk
+if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using GNU Make" >&5
+$as_echo_n "checking whether we are using GNU Make... " >&6; }
+   HAVE_GNU_MAKE=no
+   testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
+   if test "x$testval" != x; then
+      HAVE_GNU_MAKE=yes
+   else
+      ac_enable_autodepend=no
+   fi
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_GNU_MAKE" >&5
+$as_echo "$HAVE_GNU_MAKE" >&6; }
+   if test $HAVE_GNU_MAKE = yes; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc understands -MMD -MF" >&5
+$as_echo_n "checking whether gcc understands -MMD -MF... " >&6; }
+      SAVE_CFLAGS="$CFLAGS"
+      CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
 main ()
 {
 
-volatile int x;
-int * volatile y = (int *) 0;
-return !x && !y;
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_volatile=yes
-else
-  ac_cv_c_volatile=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_volatile" >&5
-$as_echo "$ac_cv_c_volatile" >&6; }
-if test $ac_cv_c_volatile = no; then
-
-$as_echo "#define volatile /**/" >>confdefs.h
-
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
-$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if test "${ac_cv_c_const+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-/* FIXME: Include the comments suggested by Paul. */
-#ifndef __cplusplus
-  /* Ultrix mips cc rejects this.  */
-  typedef int charset[2];
-  const charset cs;
-  /* SunOS 4.1.1 cc rejects this.  */
-  char const *const *pcpcc;
-  char **ppc;
-  /* NEC SVR4.0.2 mips cc rejects this.  */
-  struct point {int x, y;};
-  static struct point const zero = {0,0};
-  /* AIX XL C 1.02.0.0 rejects this.
-     It does not let you subtract one const X* pointer from another in
-     an arm of an if-expression whose if-part is not a constant
-     expression */
-  const char *g = "string";
-  pcpcc = &g + (g ? g-g : 0);
-  /* HPUX 7.0 cc rejects these. */
-  ++pcpcc;
-  ppc = (char**) pcpcc;
-  pcpcc = (char const *const *) ppc;
-  { /* SCO 3.2v4 cc rejects this.  */
-    char *t;
-    char const *s = 0 ? (char *) 0 : (char const *) 0;
-
-    *t++ = 0;
-    if (s) return 0;
-  }
-  { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
-    int x[] = {25, 17};
-    const int *foo = &x[0];
-    ++foo;
-  }
-  { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
-    typedef const int *iptr;
-    iptr p = 0;
-    ++p;
-  }
-  { /* AIX XL C 1.02.0.0 rejects this saying
-       "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
-    struct s { int j; const int *ap[3]; };
-    struct s *b; b->j = 5;
-  }
-  { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
-    const int foo = 10;
-    if (!foo) return 0;
-  }
-  return !cs[0] && !zero.x;
-#endif
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_const=yes
 else
-  ac_cv_c_const=no
+  ac_enable_autodepend=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      CFLAGS="$SAVE_CFLAGS"
+      test -f deps.d || ac_enable_autodepend=no
+      rm -rf deps.d
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_enable_autodepend" >&5
+$as_echo "$ac_enable_autodepend" >&6; }
+   fi
+   if test $ac_enable_autodepend = yes; then
+      DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
+      ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
+      MKDEPDIR='${MKDIR_P} ${DEPDIR}'
+      deps_frag=autodeps.mk
+   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
-$as_echo "$ac_cv_c_const" >&6; }
-if test $ac_cv_c_const = no; then
+deps_frag=$srcdir/src/$deps_frag
 
-$as_echo "#define const /**/" >>confdefs.h
 
-fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for void * support" >&5
-$as_echo_n "checking for void * support... " >&6; }
-if test "${emacs_cv_void_star+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
 
-int
-main ()
-{
-void * foo;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_void_star=yes
-else
-  emacs_cv_void_star=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_void_star" >&5
-$as_echo "$emacs_cv_void_star" >&6; }
-if test $emacs_cv_void_star = yes; then
-  $as_echo "#define POINTER_TYPE void" >>confdefs.h
 
-else
-  $as_echo "#define POINTER_TYPE char" >>confdefs.h
+lisp_frag=$srcdir/src/lisp.mk
 
-fi
 
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
-$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_c_bigendian=unknown
-    # See if we're dealing with a universal compiler.
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifndef __APPLE_CC__
-	       not a universal capable compiler
-	     #endif
-	     typedef int dummy;
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-	# Check for potential -arch flags.  It is not universal unless
-	# there are at least two -arch flags with different values.
-	ac_arch=
-	ac_prev=
-	for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
-	 if test -n "$ac_prev"; then
-	   case $ac_word in
-	     i?86 | x86_64 | ppc | ppc64)
-	       if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
-		 ac_arch=$ac_word
-	       else
-		 ac_cv_c_bigendian=universal
-		 break
-	       fi
-	       ;;
-	   esac
-	   ac_prev=
-	 elif test "x$ac_word" = "x-arch"; then
-	   ac_prev=arch
-	 fi
-       done
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    if test $ac_cv_c_bigendian = unknown; then
-      # See if sys/param.h defines the BYTE_ORDER macro.
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
-	     #include <sys/param.h>
-
-int
-main ()
-{
-#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
-		     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
-		     && LITTLE_ENDIAN)
-	      bogus endian macros
-	     #endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  # It does; now see whether it defined to BIG_ENDIAN or not.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
-		#include <sys/param.h>
-
-int
-main ()
-{
-#if BYTE_ORDER != BIG_ENDIAN
-		 not big endian
-		#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_bigendian=yes
-else
-  ac_cv_c_bigendian=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    fi
-    if test $ac_cv_c_bigendian = unknown; then
-      # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
-
-int
-main ()
-{
-#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
-	      bogus endian macros
-	     #endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  # It does; now see whether it defined to _BIG_ENDIAN or not.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
-
-int
-main ()
-{
-#ifndef _BIG_ENDIAN
-		 not big endian
-		#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_bigendian=yes
-else
-  ac_cv_c_bigendian=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    fi
-    if test $ac_cv_c_bigendian = unknown; then
-      # Compile a test program.
-      if test "$cross_compiling" = yes; then :
-  # Try to guess by grepping values from an object file.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-short int ascii_mm[] =
-		  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-		short int ascii_ii[] =
-		  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
-		int use_ascii (int i) {
-		  return ascii_mm[i] + ascii_ii[i];
-		}
-		short int ebcdic_ii[] =
-		  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-		short int ebcdic_mm[] =
-		  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
-		int use_ebcdic (int i) {
-		  return ebcdic_mm[i] + ebcdic_ii[i];
-		}
-		extern int foo;
-
-int
-main ()
-{
-return use_ascii (foo) == use_ebcdic (foo);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
-	      ac_cv_c_bigendian=yes
-	    fi
-	    if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
-	      if test "$ac_cv_c_bigendian" = unknown; then
-		ac_cv_c_bigendian=no
-	      else
-		# finding both strings is unlikely to happen, but who knows?
-		ac_cv_c_bigendian=unknown
-	      fi
-	    fi
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-
-	     /* Are we little or big endian?  From Harbison&Steele.  */
-	     union
-	     {
-	       long int l;
-	       char c[sizeof (long int)];
-	     } u;
-	     u.l = 1;
-	     return u.c[sizeof (long int) - 1] == 1;
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ac_cv_c_bigendian=no
-else
-  ac_cv_c_bigendian=yes
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-    fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
-$as_echo "$ac_cv_c_bigendian" >&6; }
- case $ac_cv_c_bigendian in #(
-   yes)
-     $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
-;; #(
-   no)
-      ;; #(
-   universal)
-
-$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
-
-     ;; #(
-   *)
-     as_fn_error "unknown endianness
- presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
- esac
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for  __attribute__ ((__aligned__ (expr)))" >&5
-$as_echo_n "checking for  __attribute__ ((__aligned__ (expr)))... " >&6; }
-if test "${emacs_cv_attribute_aligned+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-char __attribute__ ((__aligned__ (1 << 3))) c;
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_attribute_aligned=yes
-else
-  emacs_cv_attribute_aligned=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_attribute_aligned" >&5
-$as_echo "$emacs_cv_attribute_aligned" >&6; }
-if test $emacs_cv_attribute_aligned = yes; then
-
-$as_echo "#define HAVE_ATTRIBUTE_ALIGNED 1" >>confdefs.h
-
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
-$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
-set x ${MAKE-make}
-ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.make <<\_ACEOF
-SHELL = /bin/sh
-all:
-	@echo '@@@%%%=$(MAKE)=@@@%%%'
-_ACEOF
-# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
-case `${MAKE-make} -f conftest.make 2>/dev/null` in
-  *@@@%%%=?*=@@@%%%*)
-    eval ac_cv_prog_make_${ac_make}_set=yes;;
-  *)
-    eval ac_cv_prog_make_${ac_make}_set=no;;
-esac
-rm -f conftest.make
-fi
-if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-  SET_MAKE=
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-  SET_MAKE="MAKE=${MAKE-make}"
-fi
-
-
-DEPFLAGS=
-MKDEPDIR=":"
-deps_frag=deps.mk
-if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using GNU Make" >&5
-$as_echo_n "checking whether we are using GNU Make... " >&6; }
-   HAVE_GNU_MAKE=no
-   testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
-   if test "x$testval" != x; then
-      HAVE_GNU_MAKE=yes
-   else
-      ac_enable_autodepend=no
-   fi
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_GNU_MAKE" >&5
-$as_echo "$HAVE_GNU_MAKE" >&6; }
-   if test $HAVE_GNU_MAKE = yes; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc understands -MMD -MF" >&5
-$as_echo_n "checking whether gcc understands -MMD -MF... " >&6; }
-      SAVE_CFLAGS="$CFLAGS"
-      CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
-  ac_enable_autodepend=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-      CFLAGS="$SAVE_CFLAGS"
-      test -f deps.d || ac_enable_autodepend=no
-      rm -rf deps.d
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_enable_autodepend" >&5
-$as_echo "$ac_enable_autodepend" >&6; }
-   fi
-   if test $ac_enable_autodepend = yes; then
-      DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
-      ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
-      MKDEPDIR='${MKDIR_P} ${DEPDIR}'
-      deps_frag=autodeps.mk
-   fi
-fi
-deps_frag=$srcdir/src/$deps_frag
-
-
-
-
-
-lisp_frag=$srcdir/src/lisp.mk
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long file names" >&5
-$as_echo_n "checking for long file names... " >&6; }
-if test "${ac_cv_sys_long_file_names+set}" = set; then :
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long file names" >&5
+$as_echo_n "checking for long file names... " >&6; }
+if test "${ac_cv_sys_long_file_names+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_sys_long_file_names=yes
@@ -9750,6 +9174,12 @@ fi
 
 #### Choose a window system.
 
+## We leave window_system equal to none if
+## we end up building without one.  Any new window system should
+## set window_system to an appropriate value and add objects to
+## window-system-specific substs.
+
+window_system=none
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for X" >&5
 $as_echo_n "checking for X... " >&6; }
 
@@ -9943,9 +9373,7 @@ else
 $as_echo "libraries $x_libraries, headers $x_includes" >&6; }
 fi
 
-if test "$no_x" = yes; then
-  window_system=none
-else
+if test "$no_x" != yes; then
   window_system=x11
 fi
 
@@ -10120,7 +9548,6 @@ if test "${HAVE_NS}" = yes; then
   fi
 
   window_system=nextstep
-  with_xft=no
   # set up packaging dirs
   if test "${EN_NS_SELF_CONTAINED}" = yes; then
      ns_self_contained=yes
@@ -10137,7 +9564,6 @@ if test "${HAVE_NS}" = yes; then
      INSTALL_ARCH_INDEP_EXTRA=
   fi
   ns_frag=$srcdir/src/ns.mk
-  NS_OBJ="fontset.o fringe.o image.o"
   NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
 fi
 CFLAGS="$tmp_CFLAGS"
@@ -10149,28 +9575,45 @@ CPPFLAGS="$tmp_CPPFLAGS"
 
 
 
+## $window_system is now set to the window system we will
+## ultimately use.
+
+term_header=
+HAVE_X_WINDOWS=no
+HAVE_X11=no
+USE_X_TOOLKIT=none
+
 case "${window_system}" in
   x11 )
     HAVE_X_WINDOWS=yes
     HAVE_X11=yes
+    term_header=xterm.h
     case "${with_x_toolkit}" in
       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
       motif ) USE_X_TOOLKIT=MOTIF ;;
       gtk ) with_gtk=yes
+            term_header=gtkutil.h
             USE_X_TOOLKIT=none ;;
       gtk3 ) with_gtk3=yes
+             term_header=gtkutil.h
              USE_X_TOOLKIT=none ;;
       no ) USE_X_TOOLKIT=none ;;
       * ) USE_X_TOOLKIT=maybe ;;
     esac
   ;;
-  nextstep | none )
-    HAVE_X_WINDOWS=no
-    HAVE_X11=no
-    USE_X_TOOLKIT=none
+  nextstep )
+    term_header=nsterm.h
   ;;
 esac
 
+if test -n "${term_header}"; then
+
+cat >>confdefs.h <<_ACEOF
+#define TERM_HEADER "${term_header}"
+_ACEOF
+
+fi
+
 if test "$window_system" = none && test "X$with_x" != "Xno"; then
    # Extract the first word of "X", so it can be a program name with args.
 set dummy X; ac_word=$2
@@ -10230,7 +9673,7 @@ case ${HAVE_X11} in
   yes ) HAVE_MENUS=yes ;;
 esac
 
-# Do the opsystem or machine files prohibit the use of the GNU malloc?
+# Does the opsystem file prohibit the use of the GNU malloc?
 # Assume not, until told otherwise.
 GNU_MALLOC=yes
 
@@ -10318,24 +9761,6 @@ esac
 
 
 
-  for ac_header in $ac_header_list
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-
-
 
 
 
@@ -10608,17 +10033,8 @@ fi
 
 
 LIB_PTHREAD=
-for ac_header in pthread.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default"
-if test "x$ac_cv_header_pthread_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_PTHREAD_H 1
-_ACEOF
 
-fi
 
-done
 
 if test "$ac_cv_header_pthread_h"; then
         if test "$GMALLOC_OBJ" = gmalloc.o; then
@@ -10981,48 +10397,6 @@ if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      :
   else
@@ -11093,48 +10467,6 @@ if test "${HAVE_X11}" = "yes"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      :
   else
@@ -11191,12 +10523,14 @@ $as_echo "#define HAVE_IMAGEMAGICK 1" >>confdefs.h
 
       CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
       LIBS="$IMAGEMAGICK_LIBS $LIBS"
-      for ac_func in MagickExportImagePixels
+      for ac_func in MagickExportImagePixels MagickMergeImageLayers
 do :
-  ac_fn_c_check_func "$LINENO" "MagickExportImagePixels" "ac_cv_func_MagickExportImagePixels"
-if test "x$ac_cv_func_MagickExportImagePixels" = x""yes; then :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define HAVE_MAGICKEXPORTIMAGEPIXELS 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
 
 fi
@@ -11217,48 +10551,6 @@ if test "${with_gtk3}" = "yes"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      pkg_check_gtk=no
   else
@@ -11313,6 +10605,7 @@ $as_echo "no" >&6; }
 $as_echo "#define HAVE_GTK3 1" >>confdefs.h
 
   GTK_OBJ=emacsgtkfixed.o
+  term_header=gtkutil.h
 fi
 
 if test "$pkg_check_gtk" != "yes"; then
@@ -11325,48 +10618,6 @@ if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      pkg_check_gtk=no
   else
@@ -11517,6 +10768,8 @@ _ACEOF
 fi
 done
 
+
+ term_header=gtkutil.h
 fi
 
 HAVE_DBUS=no
@@ -11525,48 +10778,6 @@ if test "${with_dbus}" = "yes"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      HAVE_DBUS=no
   else
@@ -11619,7 +10830,8 @@ $as_echo "no" >&6; }
 
 $as_echo "#define HAVE_DBUS 1" >>confdefs.h
 
-               for ac_func in dbus_watch_get_unix_fd \
+                    for ac_func in dbus_watch_get_unix_fd \
+		    dbus_type_is_valid \
 		    dbus_validate_bus_name \
                     dbus_validate_path \
 		    dbus_validate_interface \
@@ -11646,48 +10858,6 @@ if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      HAVE_GSETTINGS=no
   else
@@ -11749,48 +10919,6 @@ if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      HAVE_GCONF=no
   else
@@ -11820,7 +10948,67 @@ $as_echo "no" >&6; }
             GCONF_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
             ## do set a variable so people can do so.
-            GCONF_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gconf-2.0 >= 2.13"`
+            GCONF_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gconf-2.0 >= 2.13"`
+
+        fi
+
+
+
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     HAVE_GCONF=yes
+  else
+     HAVE_GCONF=no
+  fi
+
+   if test "$HAVE_GCONF" = yes; then
+
+$as_echo "#define HAVE_GCONF 1" >>confdefs.h
+
+            SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
+      SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
+   fi
+fi
+
+if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
+
+  succeeded=no
+
+  if test "$PKG_CONFIG" = "no" ; then
+     HAVE_GOBJECT=no
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gobject-2.0 >= 2.0" >&5
+$as_echo_n "checking for gobject-2.0 >= 2.0... " >&6; }
+
+        if $PKG_CONFIG --exists "gobject-2.0 >= 2.0" 2>&5 &&
+	   GOBJECT_CFLAGS=`$PKG_CONFIG --cflags "gobject-2.0 >= 2.0" 2>&5` &&
+	   GOBJECT_LIBS=`$PKG_CONFIG --libs "gobject-2.0 >= 2.0" 2>&5`; then
+	    edit_cflags="
+	      s,///*,/,g
+	      s/^/ /
+	      s/ -I/ $isystem/g
+	      s/^ //
+	    "
+	    GOBJECT_CFLAGS=`$as_echo "$GOBJECT_CFLAGS" | sed -e "$edit_cflags"`
+	    GOBJECT_LIBS=`$as_echo "$GOBJECT_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$GOBJECT_CFLAGS' LIBS='$GOBJECT_LIBS'" >&5
+$as_echo "yes CFLAGS='$GOBJECT_CFLAGS' LIBS='$GOBJECT_LIBS'" >&6; }
+            succeeded=yes
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            GOBJECT_CFLAGS=""
+            GOBJECT_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            GOBJECT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gobject-2.0 >= 2.0"`
 
         fi
 
@@ -11833,21 +11021,15 @@ $as_echo "no" >&6; }
   fi
 
   if test $succeeded = yes; then
-     HAVE_GCONF=yes
+     HAVE_GOBJECT=yes
   else
-     HAVE_GCONF=no
+     HAVE_GOBJECT=no
   fi
 
-   if test "$HAVE_GCONF" = yes; then
-
-$as_echo "#define HAVE_GCONF 1" >>confdefs.h
-
-            SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
-      SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
-   fi
-fi
-
-if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
+    if test "$HAVE_GOBJECT" = "yes"; then
+       SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
+       SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
+    fi
     SAVE_CFLAGS="$CFLAGS"
     SAVE_LIBS="$LIBS"
     CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
@@ -11930,48 +11112,6 @@ if test "${with_gnutls}" = "yes" ; then
 
   succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
   if test "$PKG_CONFIG" = "no" ; then
      HAVE_GNUTLS=no
   else
@@ -12263,126 +11403,457 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_Xmu_XmuConvertStandardSelection=yes
 else
-  ac_cv_lib_Xmu_XmuConvertStandardSelection=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+  ac_cv_lib_Xmu_XmuConvertStandardSelection=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xmu_XmuConvertStandardSelection" >&5
+$as_echo "$ac_cv_lib_Xmu_XmuConvertStandardSelection" >&6; }
+if test "x$ac_cv_lib_Xmu_XmuConvertStandardSelection" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBXMU 1
+_ACEOF
+
+  LIBS="-lXmu $LIBS"
+
+fi
+
+  test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
+  fi
+
+
+LIBXMU=-lXmu
+case $opsys in
+  ## These systems don't supply Xmu.
+  hpux* | aix4-2 )
+    test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
+    ;;
+esac
+
+
+# On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
+if test "${HAVE_X11}" = "yes"; then
+  if test "${USE_X_TOOLKIT}" != "none"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XShapeQueryExtension in -lXext" >&5
+$as_echo_n "checking for XShapeQueryExtension in -lXext... " >&6; }
+if test "${ac_cv_lib_Xext_XShapeQueryExtension+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXext  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XShapeQueryExtension ();
+int
+main ()
+{
+return XShapeQueryExtension ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_Xext_XShapeQueryExtension=yes
+else
+  ac_cv_lib_Xext_XShapeQueryExtension=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_XShapeQueryExtension" >&5
+$as_echo "$ac_cv_lib_Xext_XShapeQueryExtension" >&6; }
+if test "x$ac_cv_lib_Xext_XShapeQueryExtension" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBXEXT 1
+_ACEOF
+
+  LIBS="-lXext $LIBS"
+
+fi
+
+  fi
+fi
+
+LIBXP=
+if test "${USE_X_TOOLKIT}" = "MOTIF"; then
+  # OpenMotif may be installed in such a way on some GNU/Linux systems.
+  if test -d /usr/include/openmotif; then
+    CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
+    emacs_cv_openmotif=yes
+    case "$canonical" in
+      x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
+      test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
+      ;;
+      *)
+      test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
+    esac
+  else
+    emacs_cv_openmotif=no
+  fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for (Open)Motif version 2.1" >&5
+$as_echo_n "checking for (Open)Motif version 2.1... " >&6; }
+if test "${emacs_cv_motif_version_2_1+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <Xm/Xm.h>
+int
+main ()
+{
+#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
+int x = 5;
+#else
+Motif version prior to 2.1.
+#endif
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  emacs_cv_motif_version_2_1=yes
+else
+  emacs_cv_motif_version_2_1=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_motif_version_2_1" >&5
+$as_echo "$emacs_cv_motif_version_2_1" >&6; }
+  if test $emacs_cv_motif_version_2_1 = yes; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpCreateContext in -lXp" >&5
+$as_echo_n "checking for XpCreateContext in -lXp... " >&6; }
+if test "${ac_cv_lib_Xp_XpCreateContext+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXp  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XpCreateContext ();
+int
+main ()
+{
+return XpCreateContext ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_Xp_XpCreateContext=yes
+else
+  ac_cv_lib_Xp_XpCreateContext=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xp_XpCreateContext" >&5
+$as_echo "$ac_cv_lib_Xp_XpCreateContext" >&6; }
+if test "x$ac_cv_lib_Xp_XpCreateContext" = x""yes; then :
+  LIBXP=-lXp
+fi
+
+    if test x$emacs_cv_openmotif = xyes; then
+      REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
+    fi
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LessTif where some systems put it" >&5
+$as_echo_n "checking for LessTif where some systems put it... " >&6; }
+if test "${emacs_cv_lesstif+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  # We put this in CFLAGS temporarily to precede other -I options
+    # that might be in CFLAGS temporarily.
+    # We put this in CPPFLAGS where it precedes the other -I options.
+    OLD_CPPFLAGS=$CPPFLAGS
+    OLD_CFLAGS=$CFLAGS
+    CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
+    CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>
+int
+main ()
+{
+int x = 5;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  emacs_cv_lesstif=yes
+else
+  emacs_cv_lesstif=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_lesstif" >&5
+$as_echo "$emacs_cv_lesstif" >&6; }
+    if test $emacs_cv_lesstif = yes; then
+      # Make sure this -I option remains in CPPFLAGS after it is set
+      # back to REAL_CPPFLAGS.
+      # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
+      # have those other -I options anyway.  Ultimately, having this
+      # directory ultimately in CPPFLAGS will be enough.
+      REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
+      LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
+    else
+      CFLAGS=$OLD_CFLAGS
+      CPPFLAGS=$OLD_CPPFLAGS
+    fi
+  fi
+  ac_fn_c_check_header_mongrel "$LINENO" "Xm/BulletinB.h" "ac_cv_header_Xm_BulletinB_h" "$ac_includes_default"
+if test "x$ac_cv_header_Xm_BulletinB_h" = x""yes; then :
+
+else
+  as_fn_error "Motif toolkit requested but requirements not found." "$LINENO" 5
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xmu_XmuConvertStandardSelection" >&5
-$as_echo "$ac_cv_lib_Xmu_XmuConvertStandardSelection" >&6; }
-if test "x$ac_cv_lib_Xmu_XmuConvertStandardSelection" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBXMU 1
-_ACEOF
 
-  LIBS="-lXmu $LIBS"
 
 fi
 
-  test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
-fi
 
+USE_TOOLKIT_SCROLL_BARS=no
+if test "${with_toolkit_scroll_bars}" != "no"; then
+  if test "${USE_X_TOOLKIT}" != "none"; then
+    if test "${USE_X_TOOLKIT}" = "MOTIF"; then
+      $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
 
-LIBXMU=-lXmu
-case $opsys in
-  ## These systems don't supply Xmu.
-  hpux* | aix4-2 )
-    test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
-    ;;
-esac
+      HAVE_XAW3D=no
+      USE_TOOLKIT_SCROLL_BARS=yes
+    elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
+      $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
 
+      USE_TOOLKIT_SCROLL_BARS=yes
+    fi
+  elif test "${HAVE_GTK}" = "yes"; then
+    $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
+
+    USE_TOOLKIT_SCROLL_BARS=yes
+  elif test "${HAVE_NS}" = "yes"; then
+    $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
+
+    USE_TOOLKIT_SCROLL_BARS=yes
+  fi
+fi
 
-# On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
-if test "${HAVE_X11}" = "yes"; then
-  if test "${USE_X_TOOLKIT}" != "none"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XShapeQueryExtension in -lXext" >&5
-$as_echo_n "checking for XShapeQueryExtension in -lXext... " >&6; }
-if test "${ac_cv_lib_Xext_XShapeQueryExtension+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXext  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char XShapeQueryExtension ();
+	  #include <X11/Xlib.h>
+	  #include <X11/Xresource.h>
 int
 main ()
 {
-return XShapeQueryExtension ();
+XIMProc  callback;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_Xext_XShapeQueryExtension=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+  HAVE_XIM=yes
+
+$as_echo "#define HAVE_XIM 1" >>confdefs.h
+
 else
-  ac_cv_lib_Xext_XShapeQueryExtension=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+  HAVE_XIM=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_XShapeQueryExtension" >&5
-$as_echo "$ac_cv_lib_Xext_XShapeQueryExtension" >&6; }
-if test "x$ac_cv_lib_Xext_XShapeQueryExtension" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBXEXT 1
-_ACEOF
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-  LIBS="-lXext $LIBS"
 
-fi
+if test "${with_xim}" != "no"; then
+
+$as_echo "#define USE_XIM 1" >>confdefs.h
 
-  fi
 fi
 
-LIBXP=
-if test "${USE_X_TOOLKIT}" = "MOTIF"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Motif version 2.1" >&5
-$as_echo_n "checking for Motif version 2.1... " >&6; }
-if test "${emacs_cv_motif_version_2_1+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
+
+if test "${HAVE_XIM}" != "no"; then
+  late_CFLAGS=$CFLAGS
+  if test "$GCC" = yes; then
+    CFLAGS="$CFLAGS --pedantic-errors"
+  fi
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <Xm/Xm.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xresource.h>
 int
 main ()
 {
-#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
-int x = 5;
-#else
-Motif version prior to 2.1.
+Display *display;
+XrmDatabase db;
+char *res_name;
+char *res_class;
+XIMProc  callback;
+XPointer *client_data;
+#ifndef __GNUC__
+/* If we're not using GCC, it's probably not XFree86, and this is
+   probably right, but we can't use something like --pedantic-errors.  */
+extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
+                                           char*, XIMProc, XPointer*);
 #endif
+(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
+   client_data);
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_motif_version_2_1=yes
-else
-  emacs_cv_motif_version_2_1=no
+  emacs_cv_arg6_star=yes
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    if test "$emacs_cv_arg6_star" = yes; then
+    $as_echo "#define XRegisterIMInstantiateCallback_arg6 XPointer*" >>confdefs.h
+
+  else
+    $as_echo "#define XRegisterIMInstantiateCallback_arg6 XPointer" >>confdefs.h
+
+  fi
+  CFLAGS=$late_CFLAGS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_motif_version_2_1" >&5
-$as_echo "$emacs_cv_motif_version_2_1" >&6; }
-  if test $emacs_cv_motif_version_2_1 = yes; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpCreateContext in -lXp" >&5
-$as_echo_n "checking for XpCreateContext in -lXp... " >&6; }
-if test "${ac_cv_lib_Xp_XpCreateContext+set}" = set; then :
+
+### Start of font-backend (under any platform) section.
+# (nothing here yet -- this is a placeholder)
+### End of font-backend (under any platform) section.
+
+### Start of font-backend (under X11) section.
+if test "${HAVE_X11}" = "yes"; then
+
+  succeeded=no
+
+  if test "$PKG_CONFIG" = "no" ; then
+     HAVE_FC=no
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fontconfig >= 2.2.0" >&5
+$as_echo_n "checking for fontconfig >= 2.2.0... " >&6; }
+
+        if $PKG_CONFIG --exists "fontconfig >= 2.2.0" 2>&5 &&
+	   FONTCONFIG_CFLAGS=`$PKG_CONFIG --cflags "fontconfig >= 2.2.0" 2>&5` &&
+	   FONTCONFIG_LIBS=`$PKG_CONFIG --libs "fontconfig >= 2.2.0" 2>&5`; then
+	    edit_cflags="
+	      s,///*,/,g
+	      s/^/ /
+	      s/ -I/ $isystem/g
+	      s/^ //
+	    "
+	    FONTCONFIG_CFLAGS=`$as_echo "$FONTCONFIG_CFLAGS" | sed -e "$edit_cflags"`
+	    FONTCONFIG_LIBS=`$as_echo "$FONTCONFIG_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$FONTCONFIG_CFLAGS' LIBS='$FONTCONFIG_LIBS'" >&5
+$as_echo "yes CFLAGS='$FONTCONFIG_CFLAGS' LIBS='$FONTCONFIG_LIBS'" >&6; }
+            succeeded=yes
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            FONTCONFIG_CFLAGS=""
+            FONTCONFIG_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "fontconfig >= 2.2.0"`
+
+        fi
+
+
+
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     HAVE_FC=yes
+  else
+     HAVE_FC=no
+  fi
+
+
+   ## Use -lXft if available, unless `--with-xft=no'.
+   HAVE_XFT=maybe
+    if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
+      with_xft="no";
+    fi
+    if test "x${with_xft}" != "xno"; then
+
+
+  succeeded=no
+
+  if test "$PKG_CONFIG" = "no" ; then
+     HAVE_XFT=no
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xft >= 0.13.0" >&5
+$as_echo_n "checking for xft >= 0.13.0... " >&6; }
+
+        if $PKG_CONFIG --exists "xft >= 0.13.0" 2>&5 &&
+	   XFT_CFLAGS=`$PKG_CONFIG --cflags "xft >= 0.13.0" 2>&5` &&
+	   XFT_LIBS=`$PKG_CONFIG --libs "xft >= 0.13.0" 2>&5`; then
+	    edit_cflags="
+	      s,///*,/,g
+	      s/^/ /
+	      s/ -I/ $isystem/g
+	      s/^ //
+	    "
+	    XFT_CFLAGS=`$as_echo "$XFT_CFLAGS" | sed -e "$edit_cflags"`
+	    XFT_LIBS=`$as_echo "$XFT_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$XFT_CFLAGS' LIBS='$XFT_LIBS'" >&5
+$as_echo "yes CFLAGS='$XFT_CFLAGS' LIBS='$XFT_LIBS'" >&6; }
+            succeeded=yes
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            XFT_CFLAGS=""
+            XFT_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            XFT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "xft >= 0.13.0"`
+
+        fi
+
+
+
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     :
+  else
+     HAVE_XFT=no
+  fi
+
+      ## Because xftfont.c uses XRenderQueryExtension, we also
+      ## need to link to -lXrender.
+      HAVE_XRENDER=no
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XRenderQueryExtension in -lXrender" >&5
+$as_echo_n "checking for XRenderQueryExtension in -lXrender... " >&6; }
+if test "${ac_cv_lib_Xrender_XRenderQueryExtension+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXp  $LIBS"
+LIBS="-lXrender  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -12392,395 +11863,544 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char XpCreateContext ();
+char XRenderQueryExtension ();
 int
 main ()
 {
-return XpCreateContext ();
+return XRenderQueryExtension ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_Xp_XpCreateContext=yes
+  ac_cv_lib_Xrender_XRenderQueryExtension=yes
 else
-  ac_cv_lib_Xp_XpCreateContext=no
+  ac_cv_lib_Xrender_XRenderQueryExtension=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xp_XpCreateContext" >&5
-$as_echo "$ac_cv_lib_Xp_XpCreateContext" >&6; }
-if test "x$ac_cv_lib_Xp_XpCreateContext" = x""yes; then :
-  LIBXP=-lXp
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xrender_XRenderQueryExtension" >&5
+$as_echo "$ac_cv_lib_Xrender_XRenderQueryExtension" >&6; }
+if test "x$ac_cv_lib_Xrender_XRenderQueryExtension" = x""yes; then :
+  HAVE_XRENDER=yes
 fi
 
-  else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LessTif where some systems put it" >&5
-$as_echo_n "checking for LessTif where some systems put it... " >&6; }
-if test "${emacs_cv_lesstif+set}" = set; then :
+      if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
+	OLD_CPPFLAGS="$CPPFLAGS"
+	OLD_CFLAGS="$CFLAGS"
+	OLD_LIBS="$LIBS"
+	CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
+	CFLAGS="$CFLAGS $XFT_CFLAGS"
+	XFT_LIBS="-lXrender $XFT_LIBS"
+	LIBS="$XFT_LIBS $LIBS"
+	ac_fn_c_check_header_mongrel "$LINENO" "X11/Xft/Xft.h" "ac_cv_header_X11_Xft_Xft_h" "$ac_includes_default"
+if test "x$ac_cv_header_X11_Xft_Xft_h" = x""yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XftFontOpen in -lXft" >&5
+$as_echo_n "checking for XftFontOpen in -lXft... " >&6; }
+if test "${ac_cv_lib_Xft_XftFontOpen+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  # We put this in CFLAGS temporarily to precede other -I options
-    # that might be in CFLAGS temporarily.
-    # We put this in CPPFLAGS where it precedes the other -I options.
-    OLD_CPPFLAGS=$CPPFLAGS
-    OLD_CFLAGS=$CFLAGS
-    CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
-    CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXft $XFT_LIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XftFontOpen ();
 int
 main ()
 {
-int x = 5;
+return XftFontOpen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_lesstif=yes
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_Xft_XftFontOpen=yes
 else
-  emacs_cv_lesstif=no
+  ac_cv_lib_Xft_XftFontOpen=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xft_XftFontOpen" >&5
+$as_echo "$ac_cv_lib_Xft_XftFontOpen" >&6; }
+if test "x$ac_cv_lib_Xft_XftFontOpen" = x""yes; then :
+  HAVE_XFT=yes
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_lesstif" >&5
-$as_echo "$emacs_cv_lesstif" >&6; }
-    if test $emacs_cv_lesstif = yes; then
-      # Make sure this -I option remains in CPPFLAGS after it is set
-      # back to REAL_CPPFLAGS.
-      # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
-      # have those other -I options anyway.  Ultimately, having this
-      # directory ultimately in CPPFLAGS will be enough.
-      REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
-      LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
-    else
-      CFLAGS=$OLD_CFLAGS
-      CPPFLAGS=$OLD_CPPFLAGS
-    fi
-  fi
-  ac_fn_c_check_header_mongrel "$LINENO" "Xm/BulletinB.h" "ac_cv_header_Xm_BulletinB_h" "$ac_includes_default"
-if test "x$ac_cv_header_Xm_BulletinB_h" = x""yes; then :
 
-else
-  as_fn_error "Motif toolkit requested but requirements not found." "$LINENO" 5
 fi
 
 
-fi
 
+	if test "${HAVE_XFT}" = "yes"; then
 
-USE_TOOLKIT_SCROLL_BARS=no
-if test "${with_toolkit_scroll_bars}" != "no"; then
-  if test "${USE_X_TOOLKIT}" != "none"; then
-    if test "${USE_X_TOOLKIT}" = "MOTIF"; then
-      $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
+$as_echo "#define HAVE_XFT 1" >>confdefs.h
 
-      HAVE_XAW3D=no
-      USE_TOOLKIT_SCROLL_BARS=yes
-    elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
-      $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
 
-      USE_TOOLKIT_SCROLL_BARS=yes
-    fi
-  elif test "${HAVE_GTK}" = "yes"; then
-    $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
+	  C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
+	else
+	  CPPFLAGS="$OLD_CPPFLAGS"
+	  CFLAGS="$OLD_CFLAGS"
+	  LIBS="$OLD_LIBS"
+	fi                        # "${HAVE_XFT}" = "yes"
+      fi                          # "$HAVE_XFT" != no
+    fi                            # "x${with_xft}" != "xno"
 
-    USE_TOOLKIT_SCROLL_BARS=yes
-  elif test "${HAVE_NS}" = "yes"; then
-    $as_echo "#define USE_TOOLKIT_SCROLL_BARS 1" >>confdefs.h
+    ## We used to allow building with FreeType and without Xft.
+    ## However, the ftx font backend driver is not in good shape.
+    if test "$HAVE_XFT" != "yes"; then
+              HAVE_XFT=no
+       HAVE_FREETYPE=no
+    else
 
-    USE_TOOLKIT_SCROLL_BARS=yes
+  succeeded=no
+
+  if test "$PKG_CONFIG" = "no" ; then
+     HAVE_FREETYPE=no
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype2" >&5
+$as_echo_n "checking for freetype2... " >&6; }
+
+        if $PKG_CONFIG --exists "freetype2" 2>&5 &&
+	   FREETYPE_CFLAGS=`$PKG_CONFIG --cflags "freetype2" 2>&5` &&
+	   FREETYPE_LIBS=`$PKG_CONFIG --libs "freetype2" 2>&5`; then
+	    edit_cflags="
+	      s,///*,/,g
+	      s/^/ /
+	      s/ -I/ $isystem/g
+	      s/^ //
+	    "
+	    FREETYPE_CFLAGS=`$as_echo "$FREETYPE_CFLAGS" | sed -e "$edit_cflags"`
+	    FREETYPE_LIBS=`$as_echo "$FREETYPE_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$FREETYPE_CFLAGS' LIBS='$FREETYPE_LIBS'" >&5
+$as_echo "yes CFLAGS='$FREETYPE_CFLAGS' LIBS='$FREETYPE_LIBS'" >&6; }
+            succeeded=yes
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            FREETYPE_CFLAGS=""
+            FREETYPE_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            FREETYPE_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "freetype2"`
+
+        fi
+
+
+
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
   fi
-fi
 
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
+  if test $succeeded = yes; then
+     HAVE_FREETYPE=yes
+  else
+     HAVE_FREETYPE=no
+  fi
 
-	  #include <X11/Xlib.h>
-	  #include <X11/Xresource.h>
-int
-main ()
-{
-XIMProc  callback;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  HAVE_XIM=yes
 
-$as_echo "#define HAVE_XIM 1" >>confdefs.h
+       test "$HAVE_FREETYPE" = "no" && as_fn_error "libxft requires libfreetype" "$LINENO" 5
+    fi
 
-else
-  HAVE_XIM=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    HAVE_LIBOTF=no
+    if test "${HAVE_FREETYPE}" = "yes"; then
 
+$as_echo "#define HAVE_FREETYPE 1" >>confdefs.h
 
-if test "${with_xim}" != "no"; then
+      if test "${with_libotf}" != "no"; then
 
-$as_echo "#define USE_XIM 1" >>confdefs.h
+  succeeded=no
+
+  if test "$PKG_CONFIG" = "no" ; then
+     HAVE_LIBOTF=no
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libotf" >&5
+$as_echo_n "checking for libotf... " >&6; }
+
+        if $PKG_CONFIG --exists "libotf" 2>&5 &&
+	   LIBOTF_CFLAGS=`$PKG_CONFIG --cflags "libotf" 2>&5` &&
+	   LIBOTF_LIBS=`$PKG_CONFIG --libs "libotf" 2>&5`; then
+	    edit_cflags="
+	      s,///*,/,g
+	      s/^/ /
+	      s/ -I/ $isystem/g
+	      s/^ //
+	    "
+	    LIBOTF_CFLAGS=`$as_echo "$LIBOTF_CFLAGS" | sed -e "$edit_cflags"`
+	    LIBOTF_LIBS=`$as_echo "$LIBOTF_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$LIBOTF_CFLAGS' LIBS='$LIBOTF_LIBS'" >&5
+$as_echo "yes CFLAGS='$LIBOTF_CFLAGS' LIBS='$LIBOTF_LIBS'" >&6; }
+            succeeded=yes
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            LIBOTF_CFLAGS=""
+            LIBOTF_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            LIBOTF_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libotf"`
+
+        fi
+
+
+
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     HAVE_LIBOTF=yes
+  else
+     HAVE_LIBOTF=no
+  fi
 
-fi
+	if test "$HAVE_LIBOTF" = "yes"; then
 
+$as_echo "#define HAVE_LIBOTF 1" >>confdefs.h
 
-if test "${HAVE_XIM}" != "no"; then
-  late_CFLAGS=$CFLAGS
-  if test "$GCC" = yes; then
-    CFLAGS="$CFLAGS --pedantic-errors"
-  fi
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OTF_get_variation_glyphs in -lotf" >&5
+$as_echo_n "checking for OTF_get_variation_glyphs in -lotf... " >&6; }
+if test "${ac_cv_lib_otf_OTF_get_variation_glyphs+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lotf  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#include <X11/Xlib.h>
-#include <X11/Xresource.h>
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char OTF_get_variation_glyphs ();
 int
 main ()
 {
-Display *display;
-XrmDatabase db;
-char *res_name;
-char *res_class;
-XIMProc  callback;
-XPointer *client_data;
-#ifndef __GNUC__
-/* If we're not using GCC, it's probably not XFree86, and this is
-   probably right, but we can't use something like --pedantic-errors.  */
-extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
-                                           char*, XIMProc, XPointer*);
-#endif
-(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
-   client_data);
+return OTF_get_variation_glyphs ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_arg6_star=yes
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_otf_OTF_get_variation_glyphs=yes
+else
+  ac_cv_lib_otf_OTF_get_variation_glyphs=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    if test "$emacs_cv_arg6_star" = yes; then
-    $as_echo "#define XRegisterIMInstantiateCallback_arg6 XPointer*" >>confdefs.h
-
-  else
-    $as_echo "#define XRegisterIMInstantiateCallback_arg6 XPointer" >>confdefs.h
-
-  fi
-  CFLAGS=$late_CFLAGS
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_otf_OTF_get_variation_glyphs" >&5
+$as_echo "$ac_cv_lib_otf_OTF_get_variation_glyphs" >&6; }
+if test "x$ac_cv_lib_otf_OTF_get_variation_glyphs" = x""yes; then :
+  HAVE_OTF_GET_VARIATION_GLYPHS=yes
+else
+  HAVE_OTF_GET_VARIATION_GLYPHS=no
 fi
 
-### Start of font-backend (under any platform) section.
-# (nothing here yet -- this is a placeholder)
-### End of font-backend (under any platform) section.
-
-### Start of font-backend (under X11) section.
-if test "${HAVE_X11}" = "yes"; then
-
-  succeeded=no
+	  if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
+$as_echo "#define HAVE_OTF_GET_VARIATION_GLYPHS 1" >>confdefs.h
 
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+	  fi
+	fi
+      fi
+            fi
 
+    HAVE_M17N_FLT=no
+    if test "${HAVE_LIBOTF}" = yes; then
+      if test "${with_m17n_flt}" != "no"; then
 
+  succeeded=no
 
   if test "$PKG_CONFIG" = "no" ; then
-     HAVE_FC=no
+     HAVE_M17N_FLT=no
   else
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fontconfig >= 2.2.0" >&5
-$as_echo_n "checking for fontconfig >= 2.2.0... " >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for m17n-flt" >&5
+$as_echo_n "checking for m17n-flt... " >&6; }
 
-        if $PKG_CONFIG --exists "fontconfig >= 2.2.0" 2>&5 &&
-	   FONTCONFIG_CFLAGS=`$PKG_CONFIG --cflags "fontconfig >= 2.2.0" 2>&5` &&
-	   FONTCONFIG_LIBS=`$PKG_CONFIG --libs "fontconfig >= 2.2.0" 2>&5`; then
+        if $PKG_CONFIG --exists "m17n-flt" 2>&5 &&
+	   M17N_FLT_CFLAGS=`$PKG_CONFIG --cflags "m17n-flt" 2>&5` &&
+	   M17N_FLT_LIBS=`$PKG_CONFIG --libs "m17n-flt" 2>&5`; then
 	    edit_cflags="
 	      s,///*,/,g
 	      s/^/ /
 	      s/ -I/ $isystem/g
 	      s/^ //
 	    "
-	    FONTCONFIG_CFLAGS=`$as_echo "$FONTCONFIG_CFLAGS" | sed -e "$edit_cflags"`
-	    FONTCONFIG_LIBS=`$as_echo "$FONTCONFIG_LIBS" | sed -e 's,///*,/,g'`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$FONTCONFIG_CFLAGS' LIBS='$FONTCONFIG_LIBS'" >&5
-$as_echo "yes CFLAGS='$FONTCONFIG_CFLAGS' LIBS='$FONTCONFIG_LIBS'" >&6; }
+	    M17N_FLT_CFLAGS=`$as_echo "$M17N_FLT_CFLAGS" | sed -e "$edit_cflags"`
+	    M17N_FLT_LIBS=`$as_echo "$M17N_FLT_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$M17N_FLT_CFLAGS' LIBS='$M17N_FLT_LIBS'" >&5
+$as_echo "yes CFLAGS='$M17N_FLT_CFLAGS' LIBS='$M17N_FLT_LIBS'" >&6; }
             succeeded=yes
         else
             { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-            FONTCONFIG_CFLAGS=""
-            FONTCONFIG_LIBS=""
+            M17N_FLT_CFLAGS=""
+            M17N_FLT_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
             ## do set a variable so people can do so.
-            FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "fontconfig >= 2.2.0"`
+            M17N_FLT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "m17n-flt"`
 
         fi
 
 
 
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     HAVE_M17N_FLT=yes
+  else
+     HAVE_M17N_FLT=no
+  fi
+
+	if test "$HAVE_M17N_FLT" = "yes"; then
+
+$as_echo "#define HAVE_M17N_FLT 1" >>confdefs.h
+
+	fi
+      fi
+    fi
+else
+    HAVE_XFT=no
+    HAVE_FREETYPE=no
+    HAVE_LIBOTF=no
+    HAVE_M17N_FLT=no
+fi
+
+### End of font-backend (under X11) section.
+
+
+
+
+
+
+
+
+
+
+### Use -lXpm if available, unless `--with-xpm=no'.
+HAVE_XPM=no
+LIBXPM=
+if test "${HAVE_X11}" = "yes"; then
+  if test "${with_xpm}" != "no"; then
+    ac_fn_c_check_header_mongrel "$LINENO" "X11/xpm.h" "ac_cv_header_X11_xpm_h" "$ac_includes_default"
+if test "x$ac_cv_header_X11_xpm_h" = x""yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpmReadFileToPixmap in -lXpm" >&5
+$as_echo_n "checking for XpmReadFileToPixmap in -lXpm... " >&6; }
+if test "${ac_cv_lib_Xpm_XpmReadFileToPixmap+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXpm -lX11 $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XpmReadFileToPixmap ();
+int
+main ()
+{
+return XpmReadFileToPixmap ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_Xpm_XpmReadFileToPixmap=yes
+else
+  ac_cv_lib_Xpm_XpmReadFileToPixmap=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xpm_XpmReadFileToPixmap" >&5
+$as_echo "$ac_cv_lib_Xpm_XpmReadFileToPixmap" >&6; }
+if test "x$ac_cv_lib_Xpm_XpmReadFileToPixmap" = x""yes; then :
+  HAVE_XPM=yes
+fi
+
+fi
+
+
+    if test "${HAVE_XPM}" = "yes"; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpmReturnAllocPixels preprocessor define" >&5
+$as_echo_n "checking for XpmReturnAllocPixels preprocessor define... " >&6; }
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include "X11/xpm.h"
+#ifndef XpmReturnAllocPixels
+no_return_alloc_pixels
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "no_return_alloc_pixels" >/dev/null 2>&1; then :
+  HAVE_XPM=no
+else
+  HAVE_XPM=yes
+fi
+rm -f conftest*
+
 
-  if test $succeeded = yes; then
-     HAVE_FC=yes
-  else
-     HAVE_FC=no
+      if test "${HAVE_XPM}" = "yes"; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      else
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+      fi
+    fi
   fi
 
+  if test "${HAVE_XPM}" = "yes"; then
 
-   ## Use -lXft if available, unless `--with-xft=no'.
-   HAVE_XFT=maybe
-    if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
-      with_xft="no";
-    fi
-    if test "x${with_xft}" != "xno"; then
+$as_echo "#define HAVE_XPM 1" >>confdefs.h
 
+    LIBXPM=-lXpm
+  fi
+fi
 
-  succeeded=no
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+### Use -ljpeg if available, unless `--with-jpeg=no'.
+HAVE_JPEG=no
+LIBJPEG=
+if test "${HAVE_X11}" = "yes"; then
+  if test "${with_jpeg}" != "no"; then
+            ac_fn_c_check_header_mongrel "$LINENO" "jerror.h" "ac_cv_header_jerror_h" "$ac_includes_default"
+if test "x$ac_cv_header_jerror_h" = x""yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for jpeg_destroy_compress in -ljpeg" >&5
+$as_echo_n "checking for jpeg_destroy_compress in -ljpeg... " >&6; }
+if test "${ac_cv_lib_jpeg_jpeg_destroy_compress+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ljpeg  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char jpeg_destroy_compress ();
+int
+main ()
+{
+return jpeg_destroy_compress ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_jpeg_jpeg_destroy_compress=yes
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  ac_cv_lib_jpeg_jpeg_destroy_compress=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_jpeg_jpeg_destroy_compress" >&5
+$as_echo "$ac_cv_lib_jpeg_jpeg_destroy_compress" >&6; }
+if test "x$ac_cv_lib_jpeg_jpeg_destroy_compress" = x""yes; then :
+  HAVE_JPEG=yes
 fi
 
+fi
 
 
-  if test "$PKG_CONFIG" = "no" ; then
-     HAVE_XFT=no
-  else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for xft >= 0.13.0" >&5
-$as_echo_n "checking for xft >= 0.13.0... " >&6; }
+  fi
 
-        if $PKG_CONFIG --exists "xft >= 0.13.0" 2>&5 &&
-	   XFT_CFLAGS=`$PKG_CONFIG --cflags "xft >= 0.13.0" 2>&5` &&
-	   XFT_LIBS=`$PKG_CONFIG --libs "xft >= 0.13.0" 2>&5`; then
-	    edit_cflags="
-	      s,///*,/,g
-	      s/^/ /
-	      s/ -I/ $isystem/g
-	      s/^ //
-	    "
-	    XFT_CFLAGS=`$as_echo "$XFT_CFLAGS" | sed -e "$edit_cflags"`
-	    XFT_LIBS=`$as_echo "$XFT_LIBS" | sed -e 's,///*,/,g'`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$XFT_CFLAGS' LIBS='$XFT_LIBS'" >&5
-$as_echo "yes CFLAGS='$XFT_CFLAGS' LIBS='$XFT_LIBS'" >&6; }
-            succeeded=yes
-        else
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-            XFT_CFLAGS=""
-            XFT_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            XFT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "xft >= 0.13.0"`
+    if test "${HAVE_JPEG}" = "yes"; then
+    $as_echo "#define HAVE_JPEG 1" >>confdefs.h
 
-        fi
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <jpeglib.h>
+	 version=JPEG_LIB_VERSION
 
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "version= *(6[2-9]|[7-9][0-9])" >/dev/null 2>&1; then :
+  $as_echo "#define HAVE_JPEG 1" >>confdefs.h
 
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libjpeg found, but not version 6b or later" >&5
+$as_echo "$as_me: WARNING: libjpeg found, but not version 6b or later" >&2;}
+        HAVE_JPEG=no
+fi
+rm -f conftest*
 
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
   fi
-
-  if test $succeeded = yes; then
-     :
-  else
-     HAVE_XFT=no
+  if test "${HAVE_JPEG}" = "yes"; then
+    LIBJPEG=-ljpeg
   fi
+fi
 
-      ## Because xftfont.c uses XRenderQueryExtension, we also
-      ## need to link to -lXrender.
-      HAVE_XRENDER=no
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XRenderQueryExtension in -lXrender" >&5
-$as_echo_n "checking for XRenderQueryExtension in -lXrender... " >&6; }
-if test "${ac_cv_lib_Xrender_XRenderQueryExtension+set}" = set; then :
+
+### Use -lpng if available, unless `--with-png=no'.
+HAVE_PNG=no
+LIBPNG=
+if test "${HAVE_X11}" = "yes"; then
+  if test "${with_png}" != "no"; then
+    # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
+    # in /usr/include/libpng.
+    for ac_header in png.h libpng/png.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+ break
+fi
+
+done
+
+    if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_get_channels in -lpng" >&5
+$as_echo_n "checking for png_get_channels in -lpng... " >&6; }
+if test "${ac_cv_lib_png_png_get_channels+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXrender  $LIBS"
+LIBS="-lpng -lz -lm $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -12790,47 +12410,75 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char XRenderQueryExtension ();
+char png_get_channels ();
 int
 main ()
 {
-return XRenderQueryExtension ();
+return png_get_channels ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_Xrender_XRenderQueryExtension=yes
+  ac_cv_lib_png_png_get_channels=yes
 else
-  ac_cv_lib_Xrender_XRenderQueryExtension=no
+  ac_cv_lib_png_png_get_channels=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xrender_XRenderQueryExtension" >&5
-$as_echo "$ac_cv_lib_Xrender_XRenderQueryExtension" >&6; }
-if test "x$ac_cv_lib_Xrender_XRenderQueryExtension" = x""yes; then :
-  HAVE_XRENDER=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png_png_get_channels" >&5
+$as_echo "$ac_cv_lib_png_png_get_channels" >&6; }
+if test "x$ac_cv_lib_png_png_get_channels" = x""yes; then :
+  HAVE_PNG=yes
 fi
 
-      if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
-	OLD_CPPFLAGS="$CPPFLAGS"
-	OLD_CFLAGS="$CFLAGS"
-	OLD_LIBS="$LIBS"
-	CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
-	CFLAGS="$CFLAGS $XFT_CFLAGS"
-	XFT_LIBS="-lXrender $XFT_LIBS"
-	LIBS="$XFT_LIBS $LIBS"
-	ac_fn_c_check_header_mongrel "$LINENO" "X11/Xft/Xft.h" "ac_cv_header_X11_Xft_Xft_h" "$ac_includes_default"
-if test "x$ac_cv_header_X11_Xft_Xft_h" = x""yes; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XftFontOpen in -lXft" >&5
-$as_echo_n "checking for XftFontOpen in -lXft... " >&6; }
-if test "${ac_cv_lib_Xft_XftFontOpen+set}" = set; then :
+    fi
+  fi
+
+  if test "${HAVE_PNG}" = "yes"; then
+
+$as_echo "#define HAVE_PNG 1" >>confdefs.h
+
+    LIBPNG="-lpng -lz -lm"
+
+    ac_fn_c_check_decl "$LINENO" "png_longjmp" "ac_cv_have_decl_png_longjmp" "#ifdef HAVE_LIBPNG_PNG_H
+	# include <libpng/png.h>
+	#else
+	# include <png.h>
+	#endif
+
+"
+if test "x$ac_cv_have_decl_png_longjmp" = x""yes; then :
+
+else
+
+$as_echo "#define PNG_DEPSTRUCT /**/" >>confdefs.h
+
+fi
+
+  fi
+fi
+
+
+### Use -ltiff if available, unless `--with-tiff=no'.
+HAVE_TIFF=no
+LIBTIFF=
+if test "${HAVE_X11}" = "yes"; then
+  if test "${with_tiff}" != "no"; then
+    ac_fn_c_check_header_mongrel "$LINENO" "tiffio.h" "ac_cv_header_tiffio_h" "$ac_includes_default"
+if test "x$ac_cv_header_tiffio_h" = x""yes; then :
+  tifflibs="-lz -lm"
+      # At least one tiff package requires the jpeg library.
+      if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for TIFFGetVersion in -ltiff" >&5
+$as_echo_n "checking for TIFFGetVersion in -ltiff... " >&6; }
+if test "${ac_cv_lib_tiff_TIFFGetVersion+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXft $XFT_LIBS $LIBS"
+LIBS="-ltiff $tifflibs $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -12840,259 +12488,109 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char XftFontOpen ();
+char TIFFGetVersion ();
 int
 main ()
 {
-return XftFontOpen ();
+return TIFFGetVersion ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_Xft_XftFontOpen=yes
+  ac_cv_lib_tiff_TIFFGetVersion=yes
 else
-  ac_cv_lib_Xft_XftFontOpen=no
+  ac_cv_lib_tiff_TIFFGetVersion=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xft_XftFontOpen" >&5
-$as_echo "$ac_cv_lib_Xft_XftFontOpen" >&6; }
-if test "x$ac_cv_lib_Xft_XftFontOpen" = x""yes; then :
-  HAVE_XFT=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tiff_TIFFGetVersion" >&5
+$as_echo "$ac_cv_lib_tiff_TIFFGetVersion" >&6; }
+if test "x$ac_cv_lib_tiff_TIFFGetVersion" = x""yes; then :
+  HAVE_TIFF=yes
 fi
 
 fi
 
 
-
-	if test "${HAVE_XFT}" = "yes"; then
-
-$as_echo "#define HAVE_XFT 1" >>confdefs.h
-
-
-	  C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
-	else
-	  CPPFLAGS="$OLD_CPPFLAGS"
-	  CFLAGS="$OLD_CFLAGS"
-	  LIBS="$OLD_LIBS"
-	fi                        # "${HAVE_XFT}" = "yes"
-      fi                          # "$HAVE_XFT" != no
-    fi                            # "x${with_xft}" != "xno"
-
-    ## We used to allow building with FreeType and without Xft.
-    ## However, the ftx font backend driver is not in good shape.
-    if test "$HAVE_XFT" != "yes"; then
-              HAVE_XFT=no
-       HAVE_FREETYPE=no
-    else
-
-  succeeded=no
-
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
   fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
-  if test "$PKG_CONFIG" = "no" ; then
-     HAVE_FREETYPE=no
-  else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype2" >&5
-$as_echo_n "checking for freetype2... " >&6; }
-
-        if $PKG_CONFIG --exists "freetype2" 2>&5 &&
-	   FREETYPE_CFLAGS=`$PKG_CONFIG --cflags "freetype2" 2>&5` &&
-	   FREETYPE_LIBS=`$PKG_CONFIG --libs "freetype2" 2>&5`; then
-	    edit_cflags="
-	      s,///*,/,g
-	      s/^/ /
-	      s/ -I/ $isystem/g
-	      s/^ //
-	    "
-	    FREETYPE_CFLAGS=`$as_echo "$FREETYPE_CFLAGS" | sed -e "$edit_cflags"`
-	    FREETYPE_LIBS=`$as_echo "$FREETYPE_LIBS" | sed -e 's,///*,/,g'`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$FREETYPE_CFLAGS' LIBS='$FREETYPE_LIBS'" >&5
-$as_echo "yes CFLAGS='$FREETYPE_CFLAGS' LIBS='$FREETYPE_LIBS'" >&6; }
-            succeeded=yes
-        else
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-            FREETYPE_CFLAGS=""
-            FREETYPE_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            FREETYPE_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "freetype2"`
-
-        fi
-
 
+  if test "${HAVE_TIFF}" = "yes"; then
 
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
+$as_echo "#define HAVE_TIFF 1" >>confdefs.h
 
-  if test $succeeded = yes; then
-     HAVE_FREETYPE=yes
-  else
-     HAVE_FREETYPE=no
+        LIBTIFF=-ltiff
   fi
+fi
 
 
-       test "$HAVE_FREETYPE" = "no" && as_fn_error "libxft requires libfreetype" "$LINENO" 5
-    fi
-
-    HAVE_LIBOTF=no
-    if test "${HAVE_FREETYPE}" = "yes"; then
-
-$as_echo "#define HAVE_FREETYPE 1" >>confdefs.h
-
-      if test "${with_libotf}" != "no"; then
-
-  succeeded=no
-
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+### Use -lgif or -lungif if available, unless `--with-gif=no'.
+HAVE_GIF=no
+LIBGIF=
+if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
+  ac_fn_c_check_header_mongrel "$LINENO" "gif_lib.h" "ac_cv_header_gif_lib_h" "$ac_includes_default"
+if test "x$ac_cv_header_gif_lib_h" = x""yes; then :
+  # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
+# Earlier versions can crash Emacs.
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EGifPutExtensionLast in -lgif" >&5
+$as_echo_n "checking for EGifPutExtensionLast in -lgif... " >&6; }
+if test "${ac_cv_lib_gif_EGifPutExtensionLast+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lgif  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char EGifPutExtensionLast ();
+int
+main ()
+{
+return EGifPutExtensionLast ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_gif_EGifPutExtensionLast=yes
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  ac_cv_lib_gif_EGifPutExtensionLast=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gif_EGifPutExtensionLast" >&5
+$as_echo "$ac_cv_lib_gif_EGifPutExtensionLast" >&6; }
+if test "x$ac_cv_lib_gif_EGifPutExtensionLast" = x""yes; then :
+  HAVE_GIF=yes
+else
+  HAVE_GIF=maybe
 fi
 
+fi
 
 
-  if test "$PKG_CONFIG" = "no" ; then
-     HAVE_LIBOTF=no
-  else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libotf" >&5
-$as_echo_n "checking for libotf... " >&6; }
-
-        if $PKG_CONFIG --exists "libotf" 2>&5 &&
-	   LIBOTF_CFLAGS=`$PKG_CONFIG --cflags "libotf" 2>&5` &&
-	   LIBOTF_LIBS=`$PKG_CONFIG --libs "libotf" 2>&5`; then
-	    edit_cflags="
-	      s,///*,/,g
-	      s/^/ /
-	      s/ -I/ $isystem/g
-	      s/^ //
-	    "
-	    LIBOTF_CFLAGS=`$as_echo "$LIBOTF_CFLAGS" | sed -e "$edit_cflags"`
-	    LIBOTF_LIBS=`$as_echo "$LIBOTF_LIBS" | sed -e 's,///*,/,g'`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$LIBOTF_CFLAGS' LIBS='$LIBOTF_LIBS'" >&5
-$as_echo "yes CFLAGS='$LIBOTF_CFLAGS' LIBS='$LIBOTF_LIBS'" >&6; }
-            succeeded=yes
-        else
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-            LIBOTF_CFLAGS=""
-            LIBOTF_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            LIBOTF_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libotf"`
-
-        fi
-
-
-
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
-
-  if test $succeeded = yes; then
-     HAVE_LIBOTF=yes
-  else
-     HAVE_LIBOTF=no
-  fi
-
-	if test "$HAVE_LIBOTF" = "yes"; then
-
-$as_echo "#define HAVE_LIBOTF 1" >>confdefs.h
 
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OTF_get_variation_glyphs in -lotf" >&5
-$as_echo_n "checking for OTF_get_variation_glyphs in -lotf... " >&6; }
-if test "${ac_cv_lib_otf_OTF_get_variation_glyphs+set}" = set; then :
+  if test "$HAVE_GIF" = yes; then
+    LIBGIF=-lgif
+  elif test "$HAVE_GIF" = maybe; then
+# If gif_lib.h but no libgif, try libungif.
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EGifPutExtensionLast in -lungif" >&5
+$as_echo_n "checking for EGifPutExtensionLast in -lungif... " >&6; }
+if test "${ac_cv_lib_ungif_EGifPutExtensionLast+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lotf  $LIBS"
+LIBS="-lungif  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13102,175 +12600,80 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char OTF_get_variation_glyphs ();
+char EGifPutExtensionLast ();
 int
 main ()
 {
-return OTF_get_variation_glyphs ();
+return EGifPutExtensionLast ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_otf_OTF_get_variation_glyphs=yes
+  ac_cv_lib_ungif_EGifPutExtensionLast=yes
 else
-  ac_cv_lib_otf_OTF_get_variation_glyphs=no
+  ac_cv_lib_ungif_EGifPutExtensionLast=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_otf_OTF_get_variation_glyphs" >&5
-$as_echo "$ac_cv_lib_otf_OTF_get_variation_glyphs" >&6; }
-if test "x$ac_cv_lib_otf_OTF_get_variation_glyphs" = x""yes; then :
-  HAVE_OTF_GET_VARIATION_GLYPHS=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ungif_EGifPutExtensionLast" >&5
+$as_echo "$ac_cv_lib_ungif_EGifPutExtensionLast" >&6; }
+if test "x$ac_cv_lib_ungif_EGifPutExtensionLast" = x""yes; then :
+  HAVE_GIF=yes
 else
-  HAVE_OTF_GET_VARIATION_GLYPHS=no
+  HAVE_GIF=no
 fi
 
-	  if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
-
-$as_echo "#define HAVE_OTF_GET_VARIATION_GLYPHS 1" >>confdefs.h
-
-	  fi
-	fi
-      fi
-            fi
+    test "$HAVE_GIF" = yes && LIBGIF=-lungif
+  fi
 
-    HAVE_M17N_FLT=no
-    if test "${HAVE_LIBOTF}" = yes; then
-      if test "${with_m17n_flt}" != "no"; then
+  if test "${HAVE_GIF}" = "yes"; then
 
-  succeeded=no
+$as_echo "#define HAVE_GIF 1" >>confdefs.h
 
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
   fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
 fi
 
 
+if test "${HAVE_X11}" = "yes"; then
+  MISSING=""
+  WITH_NO=""
+  test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
+    MISSING="libXpm" && WITH_NO="--with-xpm=no"
+  test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
+    MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
+  test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
+    MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
+  test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
+    MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
+  test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
+    MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
 
-  if test "$PKG_CONFIG" = "no" ; then
-     HAVE_M17N_FLT=no
-  else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for m17n-flt" >&5
-$as_echo_n "checking for m17n-flt... " >&6; }
-
-        if $PKG_CONFIG --exists "m17n-flt" 2>&5 &&
-	   M17N_FLT_CFLAGS=`$PKG_CONFIG --cflags "m17n-flt" 2>&5` &&
-	   M17N_FLT_LIBS=`$PKG_CONFIG --libs "m17n-flt" 2>&5`; then
-	    edit_cflags="
-	      s,///*,/,g
-	      s/^/ /
-	      s/ -I/ $isystem/g
-	      s/^ //
-	    "
-	    M17N_FLT_CFLAGS=`$as_echo "$M17N_FLT_CFLAGS" | sed -e "$edit_cflags"`
-	    M17N_FLT_LIBS=`$as_echo "$M17N_FLT_LIBS" | sed -e 's,///*,/,g'`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$M17N_FLT_CFLAGS' LIBS='$M17N_FLT_LIBS'" >&5
-$as_echo "yes CFLAGS='$M17N_FLT_CFLAGS' LIBS='$M17N_FLT_LIBS'" >&6; }
-            succeeded=yes
-        else
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-            M17N_FLT_CFLAGS=""
-            M17N_FLT_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            M17N_FLT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "m17n-flt"`
-
-        fi
-
-
-
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
-
-  if test $succeeded = yes; then
-     HAVE_M17N_FLT=yes
-  else
-     HAVE_M17N_FLT=no
+  if test "X${MISSING}" != X; then
+    as_fn_error "The following required libraries were not found:
+    $MISSING
+Maybe some development libraries/packages are missing?
+If you don't want to link with them give
+    $WITH_NO
+as options to configure" "$LINENO" 5
   fi
-
-	if test "$HAVE_M17N_FLT" = "yes"; then
-
-$as_echo "#define HAVE_M17N_FLT 1" >>confdefs.h
-
-	fi
-      fi
-    fi
-else
-    HAVE_XFT=no
-    HAVE_FREETYPE=no
-    HAVE_LIBOTF=no
-    HAVE_M17N_FLT=no
 fi
 
-### End of font-backend (under X11) section.
-
-
-
-
-
-
-
-
-
-
-### Use -lXpm if available, unless `--with-xpm=no'.
-HAVE_XPM=no
-LIBXPM=
-if test "${HAVE_X11}" = "yes"; then
-  if test "${with_xpm}" != "no"; then
-    ac_fn_c_check_header_mongrel "$LINENO" "X11/xpm.h" "ac_cv_header_X11_xpm_h" "$ac_includes_default"
-if test "x$ac_cv_header_X11_xpm_h" = x""yes; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpmReadFileToPixmap in -lXpm" >&5
-$as_echo_n "checking for XpmReadFileToPixmap in -lXpm... " >&6; }
-if test "${ac_cv_lib_Xpm_XpmReadFileToPixmap+set}" = set; then :
+### Use -lgpm if available, unless `--with-gpm=no'.
+HAVE_GPM=no
+LIBGPM=
+if test "${with_gpm}" != "no"; then
+  ac_fn_c_check_header_mongrel "$LINENO" "gpm.h" "ac_cv_header_gpm_h" "$ac_includes_default"
+if test "x$ac_cv_header_gpm_h" = x""yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Gpm_Open in -lgpm" >&5
+$as_echo_n "checking for Gpm_Open in -lgpm... " >&6; }
+if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXpm -lX11 $LIBS"
+LIBS="-lgpm  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13280,86 +12683,87 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char XpmReadFileToPixmap ();
+char Gpm_Open ();
 int
 main ()
 {
-return XpmReadFileToPixmap ();
+return Gpm_Open ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_Xpm_XpmReadFileToPixmap=yes
+  ac_cv_lib_gpm_Gpm_Open=yes
 else
-  ac_cv_lib_Xpm_XpmReadFileToPixmap=no
+  ac_cv_lib_gpm_Gpm_Open=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xpm_XpmReadFileToPixmap" >&5
-$as_echo "$ac_cv_lib_Xpm_XpmReadFileToPixmap" >&6; }
-if test "x$ac_cv_lib_Xpm_XpmReadFileToPixmap" = x""yes; then :
-  HAVE_XPM=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gpm_Gpm_Open" >&5
+$as_echo "$ac_cv_lib_gpm_Gpm_Open" >&6; }
+if test "x$ac_cv_lib_gpm_Gpm_Open" = x""yes; then :
+  HAVE_GPM=yes
 fi
 
 fi
 
 
-    if test "${HAVE_XPM}" = "yes"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpmReturnAllocPixels preprocessor define" >&5
-$as_echo_n "checking for XpmReturnAllocPixels preprocessor define... " >&6; }
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "X11/xpm.h"
-#ifndef XpmReturnAllocPixels
-no_return_alloc_pixels
-#endif
 
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "no_return_alloc_pixels" >/dev/null 2>&1; then :
-  HAVE_XPM=no
-else
-  HAVE_XPM=yes
+  if test "${HAVE_GPM}" = "yes"; then
+
+$as_echo "#define HAVE_GPM 1" >>confdefs.h
+
+    LIBGPM=-lgpm
+  fi
 fi
-rm -f conftest*
 
 
-      if test "${HAVE_XPM}" = "yes"; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-      else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-      fi
-    fi
-  fi
 
-  if test "${HAVE_XPM}" = "yes"; then
 
-$as_echo "#define HAVE_XPM 1" >>confdefs.h
 
-    LIBXPM=-lXpm
+
+GNUSTEP_CFLAGS=
+### Use NeXTstep API to implement GUI.
+if test "${HAVE_NS}" = "yes"; then
+
+$as_echo "#define HAVE_NS 1" >>confdefs.h
+
+  if test "${NS_IMPL_COCOA}" = "yes"; then
+
+$as_echo "#define NS_IMPL_COCOA 1" >>confdefs.h
+
+  fi
+  if test "${NS_IMPL_GNUSTEP}" = "yes"; then
+
+$as_echo "#define NS_IMPL_GNUSTEP 1" >>confdefs.h
+
+    # See also .m.o rule in Makefile.in */
+    # FIXME: are all these flags really needed?  Document here why.  */
+    GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
+    ## Extra CFLAGS applied to src/*.m files.
+    GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
   fi
+  # We also have mouse menus.
+  HAVE_MENUS=yes
+  OTHER_FILES=ns-app
 fi
 
 
-### Use -ljpeg if available, unless `--with-jpeg=no'.
-HAVE_JPEG=no
-LIBJPEG=
+### Use session management (-lSM -lICE) if available
+HAVE_X_SM=no
+LIBXSM=
 if test "${HAVE_X11}" = "yes"; then
-  if test "${with_jpeg}" != "no"; then
-            ac_fn_c_check_header_mongrel "$LINENO" "jerror.h" "ac_cv_header_jerror_h" "$ac_includes_default"
-if test "x$ac_cv_header_jerror_h" = x""yes; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for jpeg_destroy_compress in -ljpeg" >&5
-$as_echo_n "checking for jpeg_destroy_compress in -ljpeg... " >&6; }
-if test "${ac_cv_lib_jpeg_jpeg_destroy_compress+set}" = set; then :
+  ac_fn_c_check_header_mongrel "$LINENO" "X11/SM/SMlib.h" "ac_cv_header_X11_SM_SMlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_X11_SM_SMlib_h" = x""yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SmcOpenConnection in -lSM" >&5
+$as_echo_n "checking for SmcOpenConnection in -lSM... " >&6; }
+if test "${ac_cv_lib_SM_SmcOpenConnection+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-ljpeg  $LIBS"
+LIBS="-lSM -lICE $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13369,91 +12773,110 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char jpeg_destroy_compress ();
+char SmcOpenConnection ();
 int
 main ()
 {
-return jpeg_destroy_compress ();
+return SmcOpenConnection ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_jpeg_jpeg_destroy_compress=yes
+  ac_cv_lib_SM_SmcOpenConnection=yes
 else
-  ac_cv_lib_jpeg_jpeg_destroy_compress=no
+  ac_cv_lib_SM_SmcOpenConnection=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_jpeg_jpeg_destroy_compress" >&5
-$as_echo "$ac_cv_lib_jpeg_jpeg_destroy_compress" >&6; }
-if test "x$ac_cv_lib_jpeg_jpeg_destroy_compress" = x""yes; then :
-  HAVE_JPEG=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SM_SmcOpenConnection" >&5
+$as_echo "$ac_cv_lib_SM_SmcOpenConnection" >&6; }
+if test "x$ac_cv_lib_SM_SmcOpenConnection" = x""yes; then :
+  HAVE_X_SM=yes
 fi
 
 fi
 
 
+
+  if test "${HAVE_X_SM}" = "yes"; then
+
+$as_echo "#define HAVE_X_SM 1" >>confdefs.h
+
+    LIBXSM="-lSM -lICE"
+    case "$LIBS" in
+      *-lSM*) ;;
+      *)      LIBS="$LIBXSM $LIBS" ;;
+    esac
   fi
+fi
 
-    if test "${HAVE_JPEG}" = "yes"; then
-    $as_echo "#define HAVE_JPEG 1" >>confdefs.h
 
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <jpeglib.h>
-	 version=JPEG_LIB_VERSION
+### Use libxml (-lxml2) if available
+HAVE_LIBXML2=no
+if test "${with_xml2}" != "no"; then
+  ### I'm not sure what the version number should be, so I just guessed.
 
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "version= *(6[2-9]|[7-9][0-9])" >/dev/null 2>&1; then :
-  $as_echo "#define HAVE_JPEG 1" >>confdefs.h
+  succeeded=no
 
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libjpeg found, but not version 6b or later" >&5
-$as_echo "$as_me: WARNING: libjpeg found, but not version 6b or later" >&2;}
-        HAVE_JPEG=no
-fi
-rm -f conftest*
+  if test "$PKG_CONFIG" = "no" ; then
+     HAVE_LIBXML2=no
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libxml-2.0 > 2.6.17" >&5
+$as_echo_n "checking for libxml-2.0 > 2.6.17... " >&6; }
 
-  fi
-  if test "${HAVE_JPEG}" = "yes"; then
-    LIBJPEG=-ljpeg
-  fi
-fi
+        if $PKG_CONFIG --exists "libxml-2.0 > 2.6.17" 2>&5 &&
+	   LIBXML2_CFLAGS=`$PKG_CONFIG --cflags "libxml-2.0 > 2.6.17" 2>&5` &&
+	   LIBXML2_LIBS=`$PKG_CONFIG --libs "libxml-2.0 > 2.6.17" 2>&5`; then
+	    edit_cflags="
+	      s,///*,/,g
+	      s/^/ /
+	      s/ -I/ $isystem/g
+	      s/^ //
+	    "
+	    LIBXML2_CFLAGS=`$as_echo "$LIBXML2_CFLAGS" | sed -e "$edit_cflags"`
+	    LIBXML2_LIBS=`$as_echo "$LIBXML2_LIBS" | sed -e 's,///*,/,g'`
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$LIBXML2_CFLAGS' LIBS='$LIBXML2_LIBS'" >&5
+$as_echo "yes CFLAGS='$LIBXML2_CFLAGS' LIBS='$LIBXML2_LIBS'" >&6; }
+            succeeded=yes
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            LIBXML2_CFLAGS=""
+            LIBXML2_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            LIBXML2_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libxml-2.0 > 2.6.17"`
+
+        fi
 
 
-### Use -lpng if available, unless `--with-png=no'.
-HAVE_PNG=no
-LIBPNG=
-if test "${HAVE_X11}" = "yes"; then
-  if test "${with_png}" != "no"; then
-    # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
-    # in /usr/include/libpng.
-    for ac_header in png.h libpng/png.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
 
-fi
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
 
-done
+  if test $succeeded = yes; then
+     HAVE_LIBXML2=yes
+  else
+     HAVE_LIBXML2=no
+  fi
 
-    if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_get_channels in -lpng" >&5
-$as_echo_n "checking for png_get_channels in -lpng... " >&6; }
-if test "${ac_cv_lib_png_png_get_channels+set}" = set; then :
+  if test "${HAVE_LIBXML2}" = "yes"; then
+    LIBS="$LIBXML2_LIBS $LIBS"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for htmlReadMemory in -lxml2" >&5
+$as_echo_n "checking for htmlReadMemory in -lxml2... " >&6; }
+if test "${ac_cv_lib_xml2_htmlReadMemory+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpng -lz -lm $LIBS"
+LIBS="-lxml2  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13463,59 +12886,87 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char png_get_channels ();
+char htmlReadMemory ();
 int
 main ()
 {
-return png_get_channels ();
+return htmlReadMemory ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_png_png_get_channels=yes
+  ac_cv_lib_xml2_htmlReadMemory=yes
 else
-  ac_cv_lib_png_png_get_channels=no
+  ac_cv_lib_xml2_htmlReadMemory=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png_png_get_channels" >&5
-$as_echo "$ac_cv_lib_png_png_get_channels" >&6; }
-if test "x$ac_cv_lib_png_png_get_channels" = x""yes; then :
-  HAVE_PNG=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_xml2_htmlReadMemory" >&5
+$as_echo "$ac_cv_lib_xml2_htmlReadMemory" >&6; }
+if test "x$ac_cv_lib_xml2_htmlReadMemory" = x""yes; then :
+  HAVE_LIBXML2=yes
+else
+  HAVE_LIBXML2=no
 fi
 
+    if test "${HAVE_LIBXML2}" = "yes"; then
+
+$as_echo "#define HAVE_LIBXML2 1" >>confdefs.h
+
+    else
+      LIBXML2_LIBS=""
+      LIBXML2_CFLAGS=""
     fi
   fi
+fi
 
-  if test "${HAVE_PNG}" = "yes"; then
 
-$as_echo "#define HAVE_PNG 1" >>confdefs.h
 
-    LIBPNG="-lpng -lz -lm"
-  fi
+# If netdb.h doesn't declare h_errno, we must declare it by hand.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether netdb declares h_errno" >&5
+$as_echo_n "checking whether netdb declares h_errno... " >&6; }
+if test "${emacs_cv_netdb_declares_h_errno+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <netdb.h>
+int
+main ()
+{
+return h_errno;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  emacs_cv_netdb_declares_h_errno=yes
+else
+  emacs_cv_netdb_declares_h_errno=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_netdb_declares_h_errno" >&5
+$as_echo "$emacs_cv_netdb_declares_h_errno" >&6; }
+if test $emacs_cv_netdb_declares_h_errno = yes; then
 
+$as_echo "#define HAVE_H_ERRNO 1" >>confdefs.h
 
-### Use -ltiff if available, unless `--with-tiff=no'.
-HAVE_TIFF=no
-LIBTIFF=
-if test "${HAVE_X11}" = "yes"; then
-  if test "${with_tiff}" != "no"; then
-    ac_fn_c_check_header_mongrel "$LINENO" "tiffio.h" "ac_cv_header_tiffio_h" "$ac_includes_default"
-if test "x$ac_cv_header_tiffio_h" = x""yes; then :
-  tifflibs="-lz -lm"
-      # At least one tiff package requires the jpeg library.
-      if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for TIFFGetVersion in -ltiff" >&5
-$as_echo_n "checking for TIFFGetVersion in -ltiff... " >&6; }
-if test "${ac_cv_lib_tiff_TIFFGetVersion+set}" = set; then :
+fi
+
+# fmod, logb, and frexp are found in -lm on most systems.
+# On HPUX 9.01, -lm does not contain logb, so check for sqrt.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sqrt in -lm" >&5
+$as_echo_n "checking for sqrt in -lm... " >&6; }
+if test "${ac_cv_lib_m_sqrt+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-ltiff $tifflibs $LIBS"
+LIBS="-lm  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13525,59 +12976,45 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char TIFFGetVersion ();
+char sqrt ();
 int
 main ()
 {
-return TIFFGetVersion ();
+return sqrt ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_tiff_TIFFGetVersion=yes
+  ac_cv_lib_m_sqrt=yes
 else
-  ac_cv_lib_tiff_TIFFGetVersion=no
+  ac_cv_lib_m_sqrt=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tiff_TIFFGetVersion" >&5
-$as_echo "$ac_cv_lib_tiff_TIFFGetVersion" >&6; }
-if test "x$ac_cv_lib_tiff_TIFFGetVersion" = x""yes; then :
-  HAVE_TIFF=yes
-fi
-
-fi
-
-
-  fi
-
-  if test "${HAVE_TIFF}" = "yes"; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sqrt" >&5
+$as_echo "$ac_cv_lib_m_sqrt" >&6; }
+if test "x$ac_cv_lib_m_sqrt" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBM 1
+_ACEOF
 
-$as_echo "#define HAVE_TIFF 1" >>confdefs.h
+  LIBS="-lm $LIBS"
 
-        LIBTIFF=-ltiff
-  fi
 fi
 
 
-### Use -lgif or -lungif if available, unless `--with-gif=no'.
-HAVE_GIF=no
-LIBGIF=
-if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
-  ac_fn_c_check_header_mongrel "$LINENO" "gif_lib.h" "ac_cv_header_gif_lib_h" "$ac_includes_default"
-if test "x$ac_cv_header_gif_lib_h" = x""yes; then :
-  # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
-# Earlier versions can crash Emacs.
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EGifPutExtensionLast in -lgif" >&5
-$as_echo_n "checking for EGifPutExtensionLast in -lgif... " >&6; }
-if test "${ac_cv_lib_gif_EGifPutExtensionLast+set}" = set; then :
+# Check for mail-locking functions in a "mail" library.  Probably this should
+# have the same check as for liblockfile below.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for maillock in -lmail" >&5
+$as_echo_n "checking for maillock in -lmail... " >&6; }
+if test "${ac_cv_lib_mail_maillock+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lgif  $LIBS"
+LIBS="-lmail  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13587,47 +13024,48 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char EGifPutExtensionLast ();
+char maillock ();
 int
 main ()
 {
-return EGifPutExtensionLast ();
+return maillock ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_gif_EGifPutExtensionLast=yes
+  ac_cv_lib_mail_maillock=yes
 else
-  ac_cv_lib_gif_EGifPutExtensionLast=no
+  ac_cv_lib_mail_maillock=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gif_EGifPutExtensionLast" >&5
-$as_echo "$ac_cv_lib_gif_EGifPutExtensionLast" >&6; }
-if test "x$ac_cv_lib_gif_EGifPutExtensionLast" = x""yes; then :
-  HAVE_GIF=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mail_maillock" >&5
+$as_echo "$ac_cv_lib_mail_maillock" >&6; }
+if test "x$ac_cv_lib_mail_maillock" = x""yes; then :
+  have_mail=yes
 else
-  HAVE_GIF=maybe
-fi
-
+  have_mail=no
 fi
 
+if test $have_mail = yes; then
+  LIBS_MAIL=-lmail
+  LIBS="$LIBS_MAIL $LIBS"
 
+$as_echo "#define HAVE_LIBMAIL 1" >>confdefs.h
 
-  if test "$HAVE_GIF" = yes; then
-    LIBGIF=-lgif
-  elif test "$HAVE_GIF" = maybe; then
-# If gif_lib.h but no libgif, try libungif.
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EGifPutExtensionLast in -lungif" >&5
-$as_echo_n "checking for EGifPutExtensionLast in -lungif... " >&6; }
-if test "${ac_cv_lib_ungif_EGifPutExtensionLast+set}" = set; then :
+else
+  LIBS_MAIL=
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for maillock in -llockfile" >&5
+$as_echo_n "checking for maillock in -llockfile... " >&6; }
+if test "${ac_cv_lib_lockfile_maillock+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lungif  $LIBS"
+LIBS="-llockfile  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13637,468 +13075,625 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char EGifPutExtensionLast ();
+char maillock ();
 int
 main ()
 {
-return EGifPutExtensionLast ();
+return maillock ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_ungif_EGifPutExtensionLast=yes
+  ac_cv_lib_lockfile_maillock=yes
 else
-  ac_cv_lib_ungif_EGifPutExtensionLast=no
+  ac_cv_lib_lockfile_maillock=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ungif_EGifPutExtensionLast" >&5
-$as_echo "$ac_cv_lib_ungif_EGifPutExtensionLast" >&6; }
-if test "x$ac_cv_lib_ungif_EGifPutExtensionLast" = x""yes; then :
-  HAVE_GIF=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lockfile_maillock" >&5
+$as_echo "$ac_cv_lib_lockfile_maillock" >&6; }
+if test "x$ac_cv_lib_lockfile_maillock" = x""yes; then :
+  have_lockfile=yes
 else
-  HAVE_GIF=no
+  have_lockfile=no
 fi
 
-    test "$HAVE_GIF" = yes && LIBGIF=-lungif
+if test $have_lockfile = yes; then
+   LIBS_MAIL=-llockfile
+   LIBS="$LIBS_MAIL $LIBS"
+
+$as_echo "#define HAVE_LIBLOCKFILE 1" >>confdefs.h
+
+else
+# If we have the shared liblockfile, assume we must use it for mail
+# locking (e.g. Debian).  If we couldn't link against liblockfile
+# (no liblockfile.a installed), ensure that we don't need to.
+      # Extract the first word of "liblockfile.so", so it can be a program name with args.
+set dummy liblockfile.so; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_liblockfile+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$liblockfile"; then
+  ac_cv_prog_liblockfile="$liblockfile" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="/usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_liblockfile="yes"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
   fi
+done
+  done
+IFS=$as_save_IFS
 
-  if test "${HAVE_GIF}" = "yes"; then
+  test -z "$ac_cv_prog_liblockfile" && ac_cv_prog_liblockfile="no"
+fi
+fi
+liblockfile=$ac_cv_prog_liblockfile
+if test -n "$liblockfile"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $liblockfile" >&5
+$as_echo "$liblockfile" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
 
-$as_echo "#define HAVE_GIF 1" >>confdefs.h
 
+  if test $ac_cv_prog_liblockfile = yes; then
+    as_fn_error "Shared liblockfile found but can't link against it.
+This probably means that movemail could lose mail.
+There may be a \`development' package to install containing liblockfile." "$LINENO" 5
   fi
 fi
 
 
-if test "${HAVE_X11}" = "yes"; then
-  MISSING=""
-  WITH_NO=""
-  test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
-    MISSING="libXpm" && WITH_NO="--with-xpm=no"
-  test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
-    MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
-  test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
-    MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
-  test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
-    MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
-  test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
-    MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
 
-  if test "X${MISSING}" != X; then
-    as_fn_error "The following required libraries were not found:
-    $MISSING
-Maybe some development libraries/packages are missing?
-If you don't want to link with them give
-    $WITH_NO
-as options to configure" "$LINENO" 5
-  fi
+
+
+## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
+## interlock access to the mail spool.  The alternative is a lock file named
+## /usr/spool/mail/$USER.lock.
+mail_lock=no
+case "$opsys" in
+  aix4-2) mail_lock="lockf" ;;
+
+  gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
+
+  ## On GNU/Linux systems, both methods are used by various mail programs.
+  ## I assume most people are using newer mailers that have heard of flock.
+  ## Change this if you need to.
+  ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
+  ## configure gets the right answers, and that means *NOT* using flock.
+  ## Using flock is guaranteed to be the wrong thing. See Debian Policy
+  ## for details.'' and then uses `#ifdef DEBIAN'.  Unfortunately the
+  ## Debian maintainer hasn't provided a clean fix for Emacs.
+  ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
+  ## HAVE_MAILLOCK_H are defined, so the following appears to be the
+  ## correct logic.  -- fx
+  ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
+  ## liblockfile is a Free Software replacement for libmail, used on
+  ## Debian systems and elsewhere. -rfr.
+  gnu-*)
+    mail_lock="flock"
+    if test $have_mail = yes || test $have_lockfile = yes; then
+      test $ac_cv_header_maillock_h = yes && mail_lock=no
+    fi
+    ;;
+esac
+
+BLESSMAIL_TARGET=
+case "$mail_lock" in
+  flock)
+$as_echo "#define MAIL_USE_FLOCK 1" >>confdefs.h
+ ;;
+
+  lockf)
+$as_echo "#define MAIL_USE_LOCKF 1" >>confdefs.h
+ ;;
+
+  *) BLESSMAIL_TARGET="need-blessmail" ;;
+esac
+
+
+
+for ac_func in gethostname \
+closedir getrusage get_current_dir_name \
+lrand48 logb frexp fmod cbrt setsid \
+fpathconf select euidaccess getpagesize setlocale \
+utimes getrlimit setrlimit setpgid getcwd shutdown getaddrinfo \
+__fpending strsignal setitimer \
+sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
+gai_strerror mkstemp getline getdelim fsync sync \
+difftime posix_memalign \
+getpwent endpwent getgrent endgrent \
+touchlock \
+cfmakeraw cfsetspeed copysign __executable_start
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+if test $opsys = unixware; then
+
+$as_echo "#define BROKEN_GETWD 1" >>confdefs.h
+
+else
+  for ac_func in getwd
+do :
+  ac_fn_c_check_func "$LINENO" "getwd" "ac_cv_func_getwd"
+if test "x$ac_cv_func_getwd" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GETWD 1
+_ACEOF
+
+fi
+done
+
+fi
+
+## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
+## has a broken `rint' in some library versions including math library
+## version number A.09.05.
+## You can fix the math library by installing patch number PHSS_4630.
+## But we can fix it more reliably for Emacs by just not using rint.
+## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
+case $opsys in
+   hpux*) : ;;
+   *) for ac_func in random rint
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
 fi
+done
+ ;;
+esac
 
-### Use -lgpm if available, unless `--with-gpm=no'.
-HAVE_GPM=no
-LIBGPM=
-if test "${with_gpm}" != "no"; then
-  ac_fn_c_check_header_mongrel "$LINENO" "gpm.h" "ac_cv_header_gpm_h" "$ac_includes_default"
-if test "x$ac_cv_header_gpm_h" = x""yes; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Gpm_Open in -lgpm" >&5
-$as_echo_n "checking for Gpm_Open in -lgpm... " >&6; }
-if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_unwind_init" >&5
+$as_echo_n "checking for __builtin_unwind_init... " >&6; }
+if test "${emacs_cv_func___builtin_unwind_init+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lgpm  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char Gpm_Open ();
 int
 main ()
 {
-return Gpm_Open ();
+__builtin_unwind_init ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_gpm_Gpm_Open=yes
+  emacs_cv_func___builtin_unwind_init=yes
 else
-  ac_cv_lib_gpm_Gpm_Open=no
+  emacs_cv_func___builtin_unwind_init=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gpm_Gpm_Open" >&5
-$as_echo "$ac_cv_lib_gpm_Gpm_Open" >&6; }
-if test "x$ac_cv_lib_gpm_Gpm_Open" = x""yes; then :
-  HAVE_GPM=yes
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_func___builtin_unwind_init" >&5
+$as_echo "$emacs_cv_func___builtin_unwind_init" >&6; }
+if test $emacs_cv_func___builtin_unwind_init = yes; then
+
+$as_echo "#define HAVE___BUILTIN_UNWIND_INIT 1" >>confdefs.h
 
 fi
 
 
 
-  if test "${HAVE_GPM}" = "yes"; then
 
-$as_echo "#define HAVE_GPM 1" >>confdefs.h
 
-    LIBGPM=-lgpm
-  fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGEFILE_SOURCE value needed for large files" >&5
+$as_echo_n "checking for _LARGEFILE_SOURCE value needed for large files... " >&6; }
+if test "${ac_cv_sys_largefile_source+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
+int
+main ()
+{
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_sys_largefile_source=no; break
 fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "malloc/malloc.h" "ac_cv_header_malloc_malloc_h" "$ac_includes_default"
-if test "x$ac_cv_header_malloc_malloc_h" = x""yes; then :
-
-$as_echo "#define HAVE_MALLOC_MALLOC_H 1" >>confdefs.h
-
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGEFILE_SOURCE 1
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
+int
+main ()
+{
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_sys_largefile_source=1; break
 fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  ac_cv_sys_largefile_source=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_source" >&5
+$as_echo "$ac_cv_sys_largefile_source" >&6; }
+case $ac_cv_sys_largefile_source in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source
+_ACEOF
+;;
+esac
+rm -rf conftest*
 
+# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
+# in glibc 2.1.3, but that breaks too many other things.
+# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
+if test $ac_cv_sys_largefile_source != unknown; then
 
+$as_echo "#define HAVE_FSEEKO 1" >>confdefs.h
 
-GNUSTEP_CFLAGS=
-### Use NeXTstep API to implement GUI.
-if test "${HAVE_NS}" = "yes"; then
-
-$as_echo "#define HAVE_NS 1" >>confdefs.h
-
-  if test "${NS_IMPL_COCOA}" = "yes"; then
-
-$as_echo "#define NS_IMPL_COCOA 1" >>confdefs.h
-
-  fi
-  if test "${NS_IMPL_GNUSTEP}" = "yes"; then
-
-$as_echo "#define NS_IMPL_GNUSTEP 1" >>confdefs.h
-
-    # See also .m.o rule in Makefile.in */
-    # FIXME: are all these flags really needed?  Document here why.  */
-    GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
-    ## Extra CFLAGS applied to src/*.m files.
-    GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
-  fi
-  # We also have mouse menus.
-  HAVE_MENUS=yes
-  OTHER_FILES=ns-app
 fi
 
 
-### Use session management (-lSM -lICE) if available
-HAVE_X_SM=no
-LIBXSM=
-if test "${HAVE_X11}" = "yes"; then
-  ac_fn_c_check_header_mongrel "$LINENO" "X11/SM/SMlib.h" "ac_cv_header_X11_SM_SMlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_X11_SM_SMlib_h" = x""yes; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SmcOpenConnection in -lSM" >&5
-$as_echo_n "checking for SmcOpenConnection in -lSM... " >&6; }
-if test "${ac_cv_lib_SM_SmcOpenConnection+set}" = set; then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getpgrp requires zero arguments" >&5
+$as_echo_n "checking whether getpgrp requires zero arguments... " >&6; }
+if test "${ac_cv_func_getpgrp_void+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lSM -lICE $LIBS"
+  # Use it with a single arg.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char SmcOpenConnection ();
+$ac_includes_default
 int
 main ()
 {
-return SmcOpenConnection ();
+getpgrp (0);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_SM_SmcOpenConnection=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_func_getpgrp_void=no
 else
-  ac_cv_lib_SM_SmcOpenConnection=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SM_SmcOpenConnection" >&5
-$as_echo "$ac_cv_lib_SM_SmcOpenConnection" >&6; }
-if test "x$ac_cv_lib_SM_SmcOpenConnection" = x""yes; then :
-  HAVE_X_SM=yes
+  ac_cv_func_getpgrp_void=yes
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getpgrp_void" >&5
+$as_echo "$ac_cv_func_getpgrp_void" >&6; }
+if test $ac_cv_func_getpgrp_void = yes; then
 
+$as_echo "#define GETPGRP_VOID 1" >>confdefs.h
 
+fi
 
-  if test "${HAVE_X_SM}" = "yes"; then
 
-$as_echo "#define HAVE_X_SM 1" >>confdefs.h
+# UNIX98 PTYs.
+for ac_func in grantpt
+do :
+  ac_fn_c_check_func "$LINENO" "grantpt" "ac_cv_func_grantpt"
+if test "x$ac_cv_func_grantpt" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GRANTPT 1
+_ACEOF
 
-    LIBXSM="-lSM -lICE"
-    case "$LIBS" in
-      *-lSM*) ;;
-      *)      LIBS="$LIBXSM $LIBS" ;;
-    esac
-  fi
 fi
+done
 
 
-### Use libxml (-lxml2) if available
-HAVE_LIBXML2=no
-if test "${with_xml2}" != "no"; then
-  ### I'm not sure what the version number should be, so I just guessed.
-
-  succeeded=no
-
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
+# PTY-related GNU extensions.
+for ac_func in getpt posix_openpt
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
 fi
+done
 
 
+# Check this now, so that we will NOT find the above functions in ncurses.
+# That is because we have not set up to link ncurses in lib-src.
+# It's better to believe a function is not available
+# than to expect to find it in ncurses.
+# Also we need tputs and friends to be able to build at all.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing tputs" >&5
+$as_echo_n "checking for library containing tputs... " >&6; }
+# Run a test program that contains a call to tputs, a call that is
+# never executed.  This tests whether a pre-'main' dynamic linker
+# works with the library.  It's too much trouble to actually call
+# tputs in the test program, due to portability hassles.  When
+# cross-compiling, assume the test program will run if it links.
 
-  if test "$PKG_CONFIG" = "no" ; then
-     HAVE_LIBXML2=no
+# Maybe curses should be tried earlier?
+# See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
+for tputs_library in '' tinfo ncurses terminfo termcap curses; do
+  OLIBS=$LIBS
+  if test -z "$tputs_library"; then
+    LIBS_TERMCAP=
+    msg='none required'
   else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libxml-2.0 > 2.6.17" >&5
-$as_echo_n "checking for libxml-2.0 > 2.6.17... " >&6; }
+    LIBS_TERMCAP=-l$tputs_library
+    msg=$LIBS_TERMCAP
+    LIBS="$LIBS_TERMCAP $LIBS"
+  fi
+  if test "$cross_compiling" = yes; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-        if $PKG_CONFIG --exists "libxml-2.0 > 2.6.17" 2>&5 &&
-	   LIBXML2_CFLAGS=`$PKG_CONFIG --cflags "libxml-2.0 > 2.6.17" 2>&5` &&
-	   LIBXML2_LIBS=`$PKG_CONFIG --libs "libxml-2.0 > 2.6.17" 2>&5`; then
-	    edit_cflags="
-	      s,///*,/,g
-	      s/^/ /
-	      s/ -I/ $isystem/g
-	      s/^ //
-	    "
-	    LIBXML2_CFLAGS=`$as_echo "$LIBXML2_CFLAGS" | sed -e "$edit_cflags"`
-	    LIBXML2_LIBS=`$as_echo "$LIBXML2_LIBS" | sed -e 's,///*,/,g'`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes CFLAGS='$LIBXML2_CFLAGS' LIBS='$LIBXML2_LIBS'" >&5
-$as_echo "yes CFLAGS='$LIBXML2_CFLAGS' LIBS='$LIBXML2_LIBS'" >&6; }
-            succeeded=yes
-        else
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-            LIBXML2_CFLAGS=""
-            LIBXML2_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            LIBXML2_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libxml-2.0 > 2.6.17"`
+  extern void tputs (const char *, int, int (*)(int));
+       int main (int argc, char **argv)
+       {
+	  if (argc == 10000)
+	    tputs (argv[0], 0, 0);
+	  return 0;
+       }
 
-        fi
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
 
+else
+  msg=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
+  extern void tputs (const char *, int, int (*)(int));
+       int main (int argc, char **argv)
+       {
+	  if (argc == 10000)
+	    tputs (argv[0], 0, 0);
+	  return 0;
+       }
 
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
 
-  if test $succeeded = yes; then
-     HAVE_LIBXML2=yes
-  else
-     HAVE_LIBXML2=no
+else
+  msg=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+  LIBS=$OLIBS
+  if test "X$msg" != Xno; then
+    break
   fi
+done
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $msg" >&5
+$as_echo "$msg" >&6; }
+if test "X$msg" = Xno; then
+  as_fn_error "The required function \`tputs' was not found in any library.
+The following libraries were tried (in order):
+  libtinfo, libncurses, libterminfo, libtermcap, libcurses
+Please try installing whichever of these libraries is most appropriate
+for your system, together with its header files.
+For example, a libncurses-dev(el) or similar package." "$LINENO" 5
+fi
 
-  if test "${HAVE_LIBXML2}" = "yes"; then
-    LIBS="$LIBXML2_LIBS $LIBS"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for htmlReadMemory in -lxml2" >&5
-$as_echo_n "checking for htmlReadMemory in -lxml2... " >&6; }
-if test "${ac_cv_lib_xml2_htmlReadMemory+set}" = set; then :
+## Use termcap instead of terminfo?
+## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
+TERMINFO=yes
+## FIXME?  In the cases below where we unconditionally set
+## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
+## if that was found above to have tputs.
+## Should we use the gnu* logic everywhere?
+case "$opsys" in
+  ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
+  ##  The ncurses library has been moved out of the System framework in
+  ##  Mac OS X 10.2.  So if configure detects it, set the command-line
+  ##  option to use it.
+  darwin) LIBS_TERMCAP="-lncurses" ;;
+
+  gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
+
+  freebsd)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether FreeBSD is new enough to use terminfo" >&5
+$as_echo_n "checking whether FreeBSD is new enough to use terminfo... " >&6; }
+    if test "${emacs_cv_freebsd_terminfo+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lxml2  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char htmlReadMemory ();
+#include <osreldate.h>
 int
 main ()
 {
-return htmlReadMemory ();
+#if __FreeBSD_version < 400000
+fail;
+#endif
+
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_xml2_htmlReadMemory=yes
+  emacs_cv_freebsd_terminfo=yes
 else
-  ac_cv_lib_xml2_htmlReadMemory=no
+  emacs_cv_freebsd_terminfo=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_xml2_htmlReadMemory" >&5
-$as_echo "$ac_cv_lib_xml2_htmlReadMemory" >&6; }
-if test "x$ac_cv_lib_xml2_htmlReadMemory" = x""yes; then :
-  HAVE_LIBXML2=yes
-else
-  HAVE_LIBXML2=no
 fi
 
-    if test "${HAVE_LIBXML2}" = "yes"; then
 
-$as_echo "#define HAVE_LIBXML2 1" >>confdefs.h
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_freebsd_terminfo" >&5
+$as_echo "$emacs_cv_freebsd_terminfo" >&6; }
 
+    if test $emacs_cv_freebsd_terminfo = yes; then
+      LIBS_TERMCAP="-lncurses"
     else
-      LIBXML2_LIBS=""
-      LIBXML2_CFLAGS=""
+      TERMINFO=no
+      LIBS_TERMCAP="-ltermcap"
     fi
-  fi
+    ;;
+
+  netbsd)
+    if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
+      TERMINFO=no
+      LIBS_TERMCAP="-ltermcap"
+    fi
+    ;;
+
+  openbsd) LIBS_TERMCAP="-lncurses" ;;
+
+  ## hpux: Make sure we get select from libc rather than from libcurses
+  ##  because libcurses on HPUX 10.10 has a broken version of select.
+  ##  We used to use -lc -lcurses, but this may be cleaner.
+  ## FIXME?  But TERMINFO = yes on hpux (it used to be explicitly
+  # set that way, now it uses the default).  Isn't this a contradiction?
+  hpux*) LIBS_TERMCAP="-ltermcap" ;;
+
+esac
+
+TERMCAP_OBJ=tparam.o
+if test $TERMINFO = yes; then
+
+$as_echo "#define TERMINFO 1" >>confdefs.h
+
+  TERMCAP_OBJ=terminfo.o
 fi
 
 
 
-# If netdb.h doesn't declare h_errno, we must declare it by hand.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether netdb declares h_errno" >&5
-$as_echo_n "checking whether netdb declares h_errno... " >&6; }
-if test "${emacs_cv_netdb_declares_h_errno+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
+
+# Do we have res_init, for detecting changes in /etc/resolv.conf?
+# On Darwin, res_init appears not to be useful: see bug#562 and
+# http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
+resolv=no
+
+if test $opsys != darwin; then
+
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
 int
 main ()
 {
-return h_errno;
+return res_init();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  emacs_cv_netdb_declares_h_errno=yes
+  have_res_init=yes
 else
-  emacs_cv_netdb_declares_h_errno=no
+  have_res_init=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_netdb_declares_h_errno" >&5
-$as_echo "$emacs_cv_netdb_declares_h_errno" >&6; }
-if test $emacs_cv_netdb_declares_h_errno = yes; then
-
-$as_echo "#define HAVE_H_ERRNO 1" >>confdefs.h
-
-fi
-
-# fmod, logb, and frexp are found in -lm on most systems.
-# On HPUX 9.01, -lm does not contain logb, so check for sqrt.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sqrt in -lm" >&5
-$as_echo_n "checking for sqrt in -lm... " >&6; }
-if test "${ac_cv_lib_m_sqrt+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lm  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  if test "$have_res_init" = no; then
+    OLIBS="$LIBS"
+    LIBS="$LIBS -lresolv"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for res_init with -lresolv" >&5
+$as_echo_n "checking for res_init with -lresolv... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char sqrt ();
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
 int
 main ()
 {
-return sqrt ();
+return res_init();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_m_sqrt=yes
+  have_res_init=yes
 else
-  ac_cv_lib_m_sqrt=no
+  have_res_init=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sqrt" >&5
-$as_echo "$ac_cv_lib_m_sqrt" >&6; }
-if test "x$ac_cv_lib_m_sqrt" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBM 1
-_ACEOF
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_res_init" >&5
+$as_echo "$have_res_init" >&6; }
+    if test "$have_res_init" = yes ; then
+      resolv=yes
+    fi
+    LIBS="$OLIBS"
+  fi
 
-  LIBS="-lm $LIBS"
+  if test "$have_res_init" = yes; then
+
+$as_echo "#define HAVE_RES_INIT 1" >>confdefs.h
 
+  fi
 fi
+# Do we need the Hesiod library to provide the support routines?
+LIBHESIOD=
+if test "$with_hesiod" != no ; then
+  # Don't set $LIBS here -- see comments above.  FIXME which comments?
+  ac_fn_c_check_func "$LINENO" "res_send" "ac_cv_func_res_send"
+if test "x$ac_cv_func_res_send" = x""yes; then :
 
+else
+  ac_fn_c_check_func "$LINENO" "__res_send" "ac_cv_func___res_send"
+if test "x$ac_cv_func___res_send" = x""yes; then :
 
-# Check for mail-locking functions in a "mail" library.  Probably this should
-# have the same check as for liblockfile below.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for maillock in -lmail" >&5
-$as_echo_n "checking for maillock in -lmail... " >&6; }
-if test "${ac_cv_lib_mail_maillock+set}" = set; then :
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for res_send in -lresolv" >&5
+$as_echo_n "checking for res_send in -lresolv... " >&6; }
+if test "${ac_cv_lib_resolv_res_send+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lmail  $LIBS"
+LIBS="-lresolv  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -14108,48 +13703,36 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char maillock ();
+char res_send ();
 int
 main ()
 {
-return maillock ();
+return res_send ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_mail_maillock=yes
+  ac_cv_lib_resolv_res_send=yes
 else
-  ac_cv_lib_mail_maillock=no
+  ac_cv_lib_resolv_res_send=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mail_maillock" >&5
-$as_echo "$ac_cv_lib_mail_maillock" >&6; }
-if test "x$ac_cv_lib_mail_maillock" = x""yes; then :
-  have_mail=yes
-else
-  have_mail=no
-fi
-
-if test $have_mail = yes; then
-  LIBS_MAIL=-lmail
-  LIBS="$LIBS_MAIL $LIBS"
-
-$as_echo "#define HAVE_LIBMAIL 1" >>confdefs.h
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_res_send" >&5
+$as_echo "$ac_cv_lib_resolv_res_send" >&6; }
+if test "x$ac_cv_lib_resolv_res_send" = x""yes; then :
+  resolv=yes
 else
-  LIBS_MAIL=
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for maillock in -llockfile" >&5
-$as_echo_n "checking for maillock in -llockfile... " >&6; }
-if test "${ac_cv_lib_lockfile_maillock+set}" = set; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __res_send in -lresolv" >&5
+$as_echo_n "checking for __res_send in -lresolv... " >&6; }
+if test "${ac_cv_lib_resolv___res_send+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-llockfile  $LIBS"
+LIBS="-lresolv  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -14159,605 +13742,421 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char maillock ();
+char __res_send ();
 int
 main ()
 {
-return maillock ();
+return __res_send ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_lockfile_maillock=yes
+  ac_cv_lib_resolv___res_send=yes
 else
-  ac_cv_lib_lockfile_maillock=no
+  ac_cv_lib_resolv___res_send=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lockfile_maillock" >&5
-$as_echo "$ac_cv_lib_lockfile_maillock" >&6; }
-if test "x$ac_cv_lib_lockfile_maillock" = x""yes; then :
-  have_lockfile=yes
-else
-  have_lockfile=no
-fi
-
-if test $have_lockfile = yes; then
-   LIBS_MAIL=-llockfile
-   LIBS="$LIBS_MAIL $LIBS"
-
-$as_echo "#define HAVE_LIBLOCKFILE 1" >>confdefs.h
-
-else
-# If we have the shared liblockfile, assume we must use it for mail
-# locking (e.g. Debian).  If we couldn't link against liblockfile
-# (no liblockfile.a installed), ensure that we don't need to.
-      # Extract the first word of "liblockfile.so", so it can be a program name with args.
-set dummy liblockfile.so; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_liblockfile+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$liblockfile"; then
-  ac_cv_prog_liblockfile="$liblockfile" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_dummy="/usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH"
-for as_dir in $as_dummy
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_liblockfile="yes"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_prog_liblockfile" && ac_cv_prog_liblockfile="no"
-fi
-fi
-liblockfile=$ac_cv_prog_liblockfile
-if test -n "$liblockfile"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $liblockfile" >&5
-$as_echo "$liblockfile" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  if test $ac_cv_prog_liblockfile = yes; then
-    as_fn_error "Shared liblockfile found but can't link against it.
-This probably means that movemail could lose mail.
-There may be a \`development' package to install containing liblockfile." "$LINENO" 5
-  fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv___res_send" >&5
+$as_echo "$ac_cv_lib_resolv___res_send" >&6; }
+if test "x$ac_cv_lib_resolv___res_send" = x""yes; then :
+  resolv=yes
 fi
-for ac_func in touchlock
-do :
-  ac_fn_c_check_func "$LINENO" "touchlock" "ac_cv_func_touchlock"
-if test "x$ac_cv_func_touchlock" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_TOUCHLOCK 1
-_ACEOF
 
 fi
-done
-
-for ac_header in maillock.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "maillock.h" "ac_cv_header_maillock_h" "$ac_includes_default"
-if test "x$ac_cv_header_maillock_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_MAILLOCK_H 1
-_ACEOF
 
 fi
 
-done
-
-
-
-## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
-## interlock access to the mail spool.  The alternative is a lock file named
-## /usr/spool/mail/$USER.lock.
-mail_lock=no
-case "$opsys" in
-  aix4-2) mail_lock="lockf" ;;
-
-  gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
-
-  ## On GNU/Linux systems, both methods are used by various mail programs.
-  ## I assume most people are using newer mailers that have heard of flock.
-  ## Change this if you need to.
-  ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
-  ## configure gets the right answers, and that means *NOT* using flock.
-  ## Using flock is guaranteed to be the wrong thing. See Debian Policy
-  ## for details.'' and then uses `#ifdef DEBIAN'.  Unfortunately the
-  ## Debian maintainer hasn't provided a clean fix for Emacs.
-  ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
-  ## HAVE_MAILLOCK_H are defined, so the following appears to be the
-  ## correct logic.  -- fx
-  ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
-  ## liblockfile is a Free Software replacement for libmail, used on
-  ## Debian systems and elsewhere. -rfr.
-  gnu-*)
-    mail_lock="flock"
-    if test $have_mail = yes || test $have_lockfile = yes; then
-      test $ac_cv_header_maillock_h = yes && mail_lock=no
-    fi
-    ;;
-esac
-
-BLESSMAIL_TARGET=
-case "$mail_lock" in
-  flock)
-$as_echo "#define MAIL_USE_FLOCK 1" >>confdefs.h
- ;;
-
-  lockf)
-$as_echo "#define MAIL_USE_LOCKF 1" >>confdefs.h
- ;;
-
-  *) BLESSMAIL_TARGET="need-blessmail" ;;
-esac
-
-
-
-for ac_func in gethostname \
-rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
-random lrand48 logb frexp fmod rint cbrt setsid \
-strerror fpathconf select euidaccess getpagesize tzset setlocale \
-utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
-__fpending strsignal setitimer \
-sendto recvfrom getsockname getpeername \
-gai_strerror mkstemp getline getdelim fsync sync \
-difftime posix_memalign \
-getpwent endpwent getgrent endgrent \
-cfmakeraw cfsetspeed copysign __executable_start
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
 fi
-done
 
+  if test "$resolv" = yes ; then
+    RESOLVLIB=-lresolv
+  else
+    RESOLVLIB=
+  fi
+  ac_fn_c_check_func "$LINENO" "hes_getmailhost" "ac_cv_func_hes_getmailhost"
+if test "x$ac_cv_func_hes_getmailhost" = x""yes; then :
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_unwind_init" >&5
-$as_echo_n "checking for __builtin_unwind_init... " >&6; }
-if test "${emacs_cv_func___builtin_unwind_init+set}" = set; then :
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for hes_getmailhost in -lhesiod" >&5
+$as_echo_n "checking for hes_getmailhost in -lhesiod... " >&6; }
+if test "${ac_cv_lib_hesiod_hes_getmailhost+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lhesiod $RESOLVLIB $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char hes_getmailhost ();
 int
 main ()
 {
-__builtin_unwind_init ();
+return hes_getmailhost ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  emacs_cv_func___builtin_unwind_init=yes
+  ac_cv_lib_hesiod_hes_getmailhost=yes
 else
-  emacs_cv_func___builtin_unwind_init=no
+  ac_cv_lib_hesiod_hes_getmailhost=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_hesiod_hes_getmailhost" >&5
+$as_echo "$ac_cv_lib_hesiod_hes_getmailhost" >&6; }
+if test "x$ac_cv_lib_hesiod_hes_getmailhost" = x""yes; then :
+  hesiod=yes
+else
+  :
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_func___builtin_unwind_init" >&5
-$as_echo "$emacs_cv_func___builtin_unwind_init" >&6; }
-if test $emacs_cv_func___builtin_unwind_init = yes; then
 
-$as_echo "#define HAVE___BUILTIN_UNWIND_INIT 1" >>confdefs.h
+fi
+
+
+  if test x"$hesiod" = xyes; then
 
+$as_echo "#define HAVE_LIBHESIOD 1" >>confdefs.h
+
+    LIBHESIOD=-lhesiod
+  fi
 fi
 
-for ac_header in sys/un.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/un.h" "ac_cv_header_sys_un_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_un_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_UN_H 1
-_ACEOF
 
+# Do we need libresolv (due to res_init or Hesiod)?
+if test "$resolv" = yes && test $opsys != darwin; then
+
+$as_echo "#define HAVE_LIBRESOLV 1" >>confdefs.h
+
+  LIBRESOLV=-lresolv
+else
+  LIBRESOLV=
 fi
 
-done
 
+# These tell us which Kerberos-related libraries to use.
+COM_ERRLIB=
+CRYPTOLIB=
+KRB5LIB=
+DESLIB=
+KRB4LIB=
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGEFILE_SOURCE value needed for large files" >&5
-$as_echo_n "checking for _LARGEFILE_SOURCE value needed for large files... " >&6; }
-if test "${ac_cv_sys_largefile_source+set}" = set; then :
+if test "${with_kerberos}" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for com_err in -lcom_err" >&5
+$as_echo_n "checking for com_err in -lcom_err... " >&6; }
+if test "${ac_cv_lib_com_err_com_err+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  while :; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcom_err  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <sys/types.h> /* for off_t */
-     #include <stdio.h>
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char com_err ();
 int
 main ()
 {
-int (*fp) (FILE *, off_t, int) = fseeko;
-     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
+return com_err ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_sys_largefile_source=no; break
+  ac_cv_lib_com_err_com_err=yes
+else
+  ac_cv_lib_com_err_com_err=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#define _LARGEFILE_SOURCE 1
-#include <sys/types.h> /* for off_t */
-     #include <stdio.h>
-int
-main ()
-{
-int (*fp) (FILE *, off_t, int) = fseeko;
-     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_sys_largefile_source=1; break
+LIBS=$ac_check_lib_save_LIBS
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-  ac_cv_sys_largefile_source=unknown
-  break
-done
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_com_err_com_err" >&5
+$as_echo "$ac_cv_lib_com_err_com_err" >&6; }
+if test "x$ac_cv_lib_com_err_com_err" = x""yes; then :
+  have_com_err=yes
+else
+  have_com_err=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_source" >&5
-$as_echo "$ac_cv_sys_largefile_source" >&6; }
-case $ac_cv_sys_largefile_source in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source
-_ACEOF
-;;
-esac
-rm -rf conftest*
-
-# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
-# in glibc 2.1.3, but that breaks too many other things.
-# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
-if test $ac_cv_sys_largefile_source != unknown; then
-
-$as_echo "#define HAVE_FSEEKO 1" >>confdefs.h
 
-fi
+  if test $have_com_err = yes; then
+    COM_ERRLIB=-lcom_err
+    LIBS="$COM_ERRLIB $LIBS"
 
+$as_echo "#define HAVE_LIBCOM_ERR 1" >>confdefs.h
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getpgrp requires zero arguments" >&5
-$as_echo_n "checking whether getpgrp requires zero arguments... " >&6; }
-if test "${ac_cv_func_getpgrp_void+set}" = set; then :
+  fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mit_des_cbc_encrypt in -lcrypto" >&5
+$as_echo_n "checking for mit_des_cbc_encrypt in -lcrypto... " >&6; }
+if test "${ac_cv_lib_crypto_mit_des_cbc_encrypt+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  # Use it with a single arg.
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcrypto  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char mit_des_cbc_encrypt ();
 int
 main ()
 {
-getpgrp (0);
+return mit_des_cbc_encrypt ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_func_getpgrp_void=no
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_crypto_mit_des_cbc_encrypt=yes
 else
-  ac_cv_func_getpgrp_void=yes
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getpgrp_void" >&5
-$as_echo "$ac_cv_func_getpgrp_void" >&6; }
-if test $ac_cv_func_getpgrp_void = yes; then
-
-$as_echo "#define GETPGRP_VOID 1" >>confdefs.h
-
+  ac_cv_lib_crypto_mit_des_cbc_encrypt=no
 fi
-
-
-# UNIX98 PTYs.
-for ac_func in grantpt
-do :
-  ac_fn_c_check_func "$LINENO" "grantpt" "ac_cv_func_grantpt"
-if test "x$ac_cv_func_grantpt" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GRANTPT 1
-_ACEOF
-
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
 fi
-done
-
-
-# PTY-related GNU extensions.
-for ac_func in getpt
-do :
-  ac_fn_c_check_func "$LINENO" "getpt" "ac_cv_func_getpt"
-if test "x$ac_cv_func_getpt" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETPT 1
-_ACEOF
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_mit_des_cbc_encrypt" >&5
+$as_echo "$ac_cv_lib_crypto_mit_des_cbc_encrypt" >&6; }
+if test "x$ac_cv_lib_crypto_mit_des_cbc_encrypt" = x""yes; then :
+  have_crypto=yes
+else
+  have_crypto=no
 fi
-done
 
+  if test $have_crypto = yes; then
+    CRYPTOLIB=-lcrypto
+    LIBS="$CRYPTOLIB $LIBS"
 
-# Check this now, so that we will NOT find the above functions in ncurses.
-# That is because we have not set up to link ncurses in lib-src.
-# It's better to believe a function is not available
-# than to expect to find it in ncurses.
-# Also we need tputs and friends to be able to build at all.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing tputs" >&5
-$as_echo_n "checking for library containing tputs... " >&6; }
-# Run a test program that contains a call to tputs, a call that is
-# never executed.  This tests whether a pre-'main' dynamic linker
-# works with the library.  It's too much trouble to actually call
-# tputs in the test program, due to portability hassles.  When
-# cross-compiling, assume the test program will run if it links.
+$as_echo "#define HAVE_LIBCRYPTO 1" >>confdefs.h
 
-# Maybe curses should be tried earlier?
-# See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
-for tputs_library in '' tinfo ncurses terminfo termcap curses; do
-  OLIBS=$LIBS
-  if test -z "$tputs_library"; then
-    LIBS_TERMCAP=
-    msg='none required'
-  else
-    LIBS_TERMCAP=-l$tputs_library
-    msg=$LIBS_TERMCAP
-    LIBS="$LIBS_TERMCAP $LIBS"
   fi
-  if test "$cross_compiling" = yes; then :
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-  extern void tputs (const char *, int, int (*)(int));
-       int main (int argc, char **argv)
-       {
-	  if (argc == 10000)
-	    tputs (argv[0], 0, 0);
-	  return 0;
-       }
-
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-
-else
-  msg=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mit_des_cbc_encrypt in -lk5crypto" >&5
+$as_echo_n "checking for mit_des_cbc_encrypt in -lk5crypto... " >&6; }
+if test "${ac_cv_lib_k5crypto_mit_des_cbc_encrypt+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lk5crypto  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-  extern void tputs (const char *, int, int (*)(int));
-       int main (int argc, char **argv)
-       {
-	  if (argc == 10000)
-	    tputs (argv[0], 0, 0);
-	  return 0;
-       }
-
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char mit_des_cbc_encrypt ();
+int
+main ()
+{
+return mit_des_cbc_encrypt ();
+  ;
+  return 0;
+}
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_k5crypto_mit_des_cbc_encrypt=yes
 else
-  msg=no
+  ac_cv_lib_k5crypto_mit_des_cbc_encrypt=no
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
 fi
-
-  LIBS=$OLIBS
-  if test "X$msg" != Xno; then
-    break
-  fi
-done
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $msg" >&5
-$as_echo "$msg" >&6; }
-if test "X$msg" = Xno; then
-  as_fn_error "The required function \`tputs' was not found in any library.
-The following libraries were tried (in order):
-  libtinfo, libncurses, libterminfo, libtermcap, libcurses
-Please try installing whichever of these libraries is most appropriate
-for your system, together with its header files.
-For example, a libncurses-dev(el) or similar package." "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_k5crypto_mit_des_cbc_encrypt" >&5
+$as_echo "$ac_cv_lib_k5crypto_mit_des_cbc_encrypt" >&6; }
+if test "x$ac_cv_lib_k5crypto_mit_des_cbc_encrypt" = x""yes; then :
+  have_k5crypto=yes
+else
+  have_k5crypto=no
 fi
 
-## Use termcap instead of terminfo?
-## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
-TERMINFO=yes
-## FIXME?  In the cases below where we unconditionally set
-## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
-## if that was found above to have tputs.
-## Should we use the gnu* logic everywhere?
-case "$opsys" in
-  ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
-  ##  The ncurses library has been moved out of the System framework in
-  ##  Mac OS X 10.2.  So if configure detects it, set the command-line
-  ##  option to use it.
-  darwin) LIBS_TERMCAP="-lncurses" ;;
+  if test $have_k5crypto = yes; then
+    CRYPTOLIB=-lk5crypto
+    LIBS="$CRYPTOLIB $LIBS"
 
-  gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
+$as_echo "#define HAVE_LIBK5CRYPTO 1" >>confdefs.h
 
-  freebsd)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether FreeBSD is new enough to use terminfo" >&5
-$as_echo_n "checking whether FreeBSD is new enough to use terminfo... " >&6; }
-    if test "${emacs_cv_freebsd_terminfo+set}" = set; then :
+  fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb5_init_context in -lkrb5" >&5
+$as_echo_n "checking for krb5_init_context in -lkrb5... " >&6; }
+if test "${ac_cv_lib_krb5_krb5_init_context+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lkrb5  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <osreldate.h>
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char krb5_init_context ();
 int
 main ()
 {
-#if __FreeBSD_version < 400000
-fail;
-#endif
-
+return krb5_init_context ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  emacs_cv_freebsd_terminfo=yes
+  ac_cv_lib_krb5_krb5_init_context=yes
 else
-  emacs_cv_freebsd_terminfo=no
+  ac_cv_lib_krb5_krb5_init_context=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
 fi
-
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_freebsd_terminfo" >&5
-$as_echo "$emacs_cv_freebsd_terminfo" >&6; }
-
-    if test $emacs_cv_freebsd_terminfo = yes; then
-      LIBS_TERMCAP="-lncurses"
-    else
-      TERMINFO=no
-      LIBS_TERMCAP="-ltermcap"
-    fi
-    ;;
-
-  netbsd)
-    if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
-      TERMINFO=no
-      LIBS_TERMCAP="-ltermcap"
-    fi
-    ;;
-
-  openbsd) LIBS_TERMCAP="-lncurses" ;;
-
-  ## hpux: Make sure we get select from libc rather than from libcurses
-  ##  because libcurses on HPUX 10.10 has a broken version of select.
-  ##  We used to use -lc -lcurses, but this may be cleaner.
-  ## FIXME?  But TERMINFO = yes on hpux (it used to be explicitly
-  # set that way, now it uses the default).  Isn't this a contradiction?
-  hpux*) LIBS_TERMCAP="-ltermcap" ;;
-
-esac
-
-TERMCAP_OBJ=tparam.o
-if test $TERMINFO = yes; then
-
-$as_echo "#define TERMINFO 1" >>confdefs.h
-
-  TERMCAP_OBJ=terminfo.o
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb5_krb5_init_context" >&5
+$as_echo "$ac_cv_lib_krb5_krb5_init_context" >&6; }
+if test "x$ac_cv_lib_krb5_krb5_init_context" = x""yes; then :
+  have_krb5=yes
+else
+  have_krb5=no
 fi
 
+  if test $have_krb5=yes; then
+    KRB5LIB=-lkrb5
+    LIBS="$KRB5LIB $LIBS"
 
+$as_echo "#define HAVE_LIBKRB5 1" >>confdefs.h
 
-
-# Do we have res_init, for detecting changes in /etc/resolv.conf?
-resolv=no
+  fi
+    if test "${with_kerberos5}" = no; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for des_cbc_encrypt in -ldes425" >&5
+$as_echo_n "checking for des_cbc_encrypt in -ldes425... " >&6; }
+if test "${ac_cv_lib_des425_des_cbc_encrypt+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldes425  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <resolv.h>
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char des_cbc_encrypt ();
 int
 main ()
 {
-return res_init();
+return des_cbc_encrypt ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  have_res_init=yes
+  ac_cv_lib_des425_des_cbc_encrypt=yes
 else
-  have_res_init=no
+  ac_cv_lib_des425_des_cbc_encrypt=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-if test "$have_res_init" = no; then
-  OLIBS="$LIBS"
-  LIBS="$LIBS -lresolv"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for res_init with -lresolv" >&5
-$as_echo_n "checking for res_init with -lresolv... " >&6; }
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_des425_des_cbc_encrypt" >&5
+$as_echo "$ac_cv_lib_des425_des_cbc_encrypt" >&6; }
+if test "x$ac_cv_lib_des425_des_cbc_encrypt" = x""yes; then :
+  have_des425=yes
+else
+  have_des425=no
+fi
+
+    if test $have_des425 = yes; then
+      DESLIB=-ldes425
+      LIBS="$DESLIB $LIBS"
+
+$as_echo "#define HAVE_LIBDES425 1" >>confdefs.h
+
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for des_cbc_encrypt in -ldes" >&5
+$as_echo_n "checking for des_cbc_encrypt in -ldes... " >&6; }
+if test "${ac_cv_lib_des_des_cbc_encrypt+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldes  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <resolv.h>
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char des_cbc_encrypt ();
 int
 main ()
 {
-return res_init();
+return des_cbc_encrypt ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  have_res_init=yes
+  ac_cv_lib_des_des_cbc_encrypt=yes
 else
-  have_res_init=no
+  ac_cv_lib_des_des_cbc_encrypt=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_res_init" >&5
-$as_echo "$have_res_init" >&6; }
-  if test "$have_res_init" = yes ; then
-    resolv=yes
-  fi
-  LIBS="$OLIBS"
+LIBS=$ac_check_lib_save_LIBS
 fi
-
-if test "$have_res_init" = yes; then
-
-$as_echo "#define HAVE_RES_INIT 1" >>confdefs.h
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_des_des_cbc_encrypt" >&5
+$as_echo "$ac_cv_lib_des_des_cbc_encrypt" >&6; }
+if test "x$ac_cv_lib_des_des_cbc_encrypt" = x""yes; then :
+  have_des=yes
+else
+  have_des=no
 fi
 
-# Do we need the Hesiod library to provide the support routines?
-LIBHESIOD=
-if test "$with_hesiod" != no ; then
-  # Don't set $LIBS here -- see comments above.  FIXME which comments?
-  ac_fn_c_check_func "$LINENO" "res_send" "ac_cv_func_res_send"
-if test "x$ac_cv_func_res_send" = x""yes; then :
+      if test $have_des = yes; then
+        DESLIB=-ldes
+        LIBS="$DESLIB $LIBS"
 
-else
-  ac_fn_c_check_func "$LINENO" "__res_send" "ac_cv_func___res_send"
-if test "x$ac_cv_func___res_send" = x""yes; then :
+$as_echo "#define HAVE_LIBDES 1" >>confdefs.h
 
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for res_send in -lresolv" >&5
-$as_echo_n "checking for res_send in -lresolv... " >&6; }
-if test "${ac_cv_lib_resolv_res_send+set}" = set; then :
+      fi
+    fi
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb_get_cred in -lkrb4" >&5
+$as_echo_n "checking for krb_get_cred in -lkrb4... " >&6; }
+if test "${ac_cv_lib_krb4_krb_get_cred+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lresolv  $LIBS"
+LIBS="-lkrb4  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -14767,36 +14166,46 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char res_send ();
+char krb_get_cred ();
 int
 main ()
 {
-return res_send ();
+return krb_get_cred ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_resolv_res_send=yes
+  ac_cv_lib_krb4_krb_get_cred=yes
 else
-  ac_cv_lib_resolv_res_send=no
+  ac_cv_lib_krb4_krb_get_cred=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_res_send" >&5
-$as_echo "$ac_cv_lib_resolv_res_send" >&6; }
-if test "x$ac_cv_lib_resolv_res_send" = x""yes; then :
-  resolv=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb4_krb_get_cred" >&5
+$as_echo "$ac_cv_lib_krb4_krb_get_cred" >&6; }
+if test "x$ac_cv_lib_krb4_krb_get_cred" = x""yes; then :
+  have_krb4=yes
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __res_send in -lresolv" >&5
-$as_echo_n "checking for __res_send in -lresolv... " >&6; }
-if test "${ac_cv_lib_resolv___res_send+set}" = set; then :
+  have_krb4=no
+fi
+
+    if test $have_krb4 = yes; then
+      KRB4LIB=-lkrb4
+      LIBS="$KRB4LIB $LIBS"
+
+$as_echo "#define HAVE_LIBKRB4 1" >>confdefs.h
+
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb_get_cred in -lkrb" >&5
+$as_echo_n "checking for krb_get_cred in -lkrb... " >&6; }
+if test "${ac_cv_lib_krb_krb_get_cred+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lresolv  $LIBS"
+LIBS="-lkrb  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -14806,1128 +14215,1407 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char __res_send ();
+char krb_get_cred ();
 int
 main ()
 {
-return __res_send ();
+return krb_get_cred ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_resolv___res_send=yes
+  ac_cv_lib_krb_krb_get_cred=yes
 else
-  ac_cv_lib_resolv___res_send=no
+  ac_cv_lib_krb_krb_get_cred=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv___res_send" >&5
-$as_echo "$ac_cv_lib_resolv___res_send" >&6; }
-if test "x$ac_cv_lib_resolv___res_send" = x""yes; then :
-  resolv=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb_krb_get_cred" >&5
+$as_echo "$ac_cv_lib_krb_krb_get_cred" >&6; }
+if test "x$ac_cv_lib_krb_krb_get_cred" = x""yes; then :
+  have_krb=yes
+else
+  have_krb=no
 fi
 
+      if test $have_krb = yes; then
+        KRB4LIB=-lkrb
+        LIBS="$KRB4LIB $LIBS"
+
+$as_echo "#define HAVE_LIBKRB 1" >>confdefs.h
+
+      fi
+    fi
+  fi
+
+  if test "${with_kerberos5}" != no; then
+    for ac_header in krb5.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "krb5.h" "ac_cv_header_krb5_h" "$ac_includes_default"
+if test "x$ac_cv_header_krb5_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KRB5_H 1
+_ACEOF
+ ac_fn_c_check_member "$LINENO" "krb5_error" "text" "ac_cv_member_krb5_error_text" "#include <krb5.h>
+"
+if test "x$ac_cv_member_krb5_error_text" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_KRB5_ERROR_TEXT 1
+_ACEOF
+
+
 fi
+ac_fn_c_check_member "$LINENO" "krb5_error" "e_text" "ac_cv_member_krb5_error_e_text" "#include <krb5.h>
+"
+if test "x$ac_cv_member_krb5_error_e_text" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_KRB5_ERROR_E_TEXT 1
+_ACEOF
+
 
 fi
 
 fi
 
-  if test "$resolv" = yes ; then
-    RESOLVLIB=-lresolv
+done
+
   else
-    RESOLVLIB=
-  fi
-  ac_fn_c_check_func "$LINENO" "hes_getmailhost" "ac_cv_func_hes_getmailhost"
-if test "x$ac_cv_func_hes_getmailhost" = x""yes; then :
+    for ac_header in des.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "des.h" "ac_cv_header_des_h" "$ac_includes_default"
+if test "x$ac_cv_header_des_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DES_H 1
+_ACEOF
 
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for hes_getmailhost in -lhesiod" >&5
-$as_echo_n "checking for hes_getmailhost in -lhesiod... " >&6; }
-if test "${ac_cv_lib_hesiod_hes_getmailhost+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+  for ac_header in kerberosIV/des.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "kerberosIV/des.h" "ac_cv_header_kerberosIV_des_h" "$ac_includes_default"
+if test "x$ac_cv_header_kerberosIV_des_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KERBEROSIV_DES_H 1
+_ACEOF
+
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lhesiod $RESOLVLIB $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
+  for ac_header in kerberos/des.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "kerberos/des.h" "ac_cv_header_kerberos_des_h" "$ac_includes_default"
+if test "x$ac_cv_header_kerberos_des_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KERBEROS_DES_H 1
+_ACEOF
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char hes_getmailhost ();
-int
-main ()
-{
-return hes_getmailhost ();
-  ;
-  return 0;
-}
+fi
+
+done
+
+fi
+
+done
+
+fi
+
+done
+
+    for ac_header in krb.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "krb.h" "ac_cv_header_krb_h" "$ac_includes_default"
+if test "x$ac_cv_header_krb_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KRB_H 1
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_hesiod_hes_getmailhost=yes
+
 else
-  ac_cv_lib_hesiod_hes_getmailhost=no
+  for ac_header in kerberosIV/krb.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "kerberosIV/krb.h" "ac_cv_header_kerberosIV_krb_h" "$ac_includes_default"
+if test "x$ac_cv_header_kerberosIV_krb_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KERBEROSIV_KRB_H 1
+_ACEOF
+
+else
+  for ac_header in kerberos/krb.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "kerberos/krb.h" "ac_cv_header_kerberos_krb_h" "$ac_includes_default"
+if test "x$ac_cv_header_kerberos_krb_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KERBEROS_KRB_H 1
+_ACEOF
+
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+
+done
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_hesiod_hes_getmailhost" >&5
-$as_echo "$ac_cv_lib_hesiod_hes_getmailhost" >&6; }
-if test "x$ac_cv_lib_hesiod_hes_getmailhost" = x""yes; then :
-  hesiod=yes
+
+done
+
+fi
+
+done
+
+  fi
+  for ac_header in com_err.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "com_err.h" "ac_cv_header_com_err_h" "$ac_includes_default"
+if test "x$ac_cv_header_com_err_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_COM_ERR_H 1
+_ACEOF
+
+fi
+
+done
+
+fi
+
+
+
+
+
+
+
+
+
+
+  for ac_func in $ac_func_list
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether localtime caches TZ" >&5
+$as_echo_n "checking whether localtime caches TZ... " >&6; }
+if test "${emacs_cv_localtime_cache+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test x$ac_cv_func_tzset = xyes; then
+if test "$cross_compiling" = yes; then :
+  # If we have tzset, assume the worst when cross-compiling.
+emacs_cv_localtime_cache=yes
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <time.h>
+char TZ_GMT0[] = "TZ=GMT0";
+char TZ_PST8[] = "TZ=PST8";
+main()
+{
+  time_t now = time ((time_t *) 0);
+  int hour_GMT0, hour_unset;
+  if (putenv (TZ_GMT0) != 0)
+    exit (1);
+  hour_GMT0 = localtime (&now)->tm_hour;
+  unsetenv("TZ");
+  hour_unset = localtime (&now)->tm_hour;
+  if (putenv (TZ_PST8) != 0)
+    exit (1);
+  if (localtime (&now)->tm_hour == hour_GMT0)
+    exit (1);
+  unsetenv("TZ");
+  if (localtime (&now)->tm_hour != hour_unset)
+    exit (1);
+  exit (0);
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  emacs_cv_localtime_cache=no
 else
-  :
+  emacs_cv_localtime_cache=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+else
+	# If we lack tzset, report that localtime does not cache TZ,
+	# since we can't invalidate the cache if we don't have tzset.
+	emacs_cv_localtime_cache=no
 fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_localtime_cache" >&5
+$as_echo "$emacs_cv_localtime_cache" >&6; }
+if test $emacs_cv_localtime_cache = yes; then
 
+$as_echo "#define LOCALTIME_CACHE 1" >>confdefs.h
 
-  if test x"$hesiod" = xyes; then
+fi
 
-$as_echo "#define HAVE_LIBHESIOD 1" >>confdefs.h
+ok_so_far=yes
+ac_fn_c_check_func "$LINENO" "socket" "ac_cv_func_socket"
+if test "x$ac_cv_func_socket" = x""yes; then :
 
-    LIBHESIOD=-lhesiod
-  fi
+else
+  ok_so_far=no
 fi
 
+if test $ok_so_far = yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"
+if test "x$ac_cv_header_netinet_in_h" = x""yes; then :
 
-# Do we need libresolv (due to res_init or Hesiod)?
-if test "$resolv" = yes ; then
+else
+  ok_so_far=no
+fi
 
-$as_echo "#define HAVE_LIBRESOLV 1" >>confdefs.h
 
-  LIBRESOLV=-lresolv
+fi
+if test $ok_so_far = yes; then
+  ac_fn_c_check_header_mongrel "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
+if test "x$ac_cv_header_arpa_inet_h" = x""yes; then :
+
 else
-  LIBRESOLV=
+  ok_so_far=no
 fi
 
 
-# These tell us which Kerberos-related libraries to use.
-COM_ERRLIB=
-CRYPTOLIB=
-KRB5LIB=
-DESLIB=
-KRB4LIB=
+fi
+if test $ok_so_far = yes; then
 
-if test "${with_kerberos}" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for com_err in -lcom_err" >&5
-$as_echo_n "checking for com_err in -lcom_err... " >&6; }
-if test "${ac_cv_lib_com_err_com_err+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lcom_err  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
+$as_echo "#define HAVE_INET_SOCKETS 1" >>confdefs.h
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char com_err ();
-int
-main ()
-{
-return com_err ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_com_err_com_err=yes
-else
-  ac_cv_lib_com_err_com_err=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+
+if test -f /usr/lpp/X11/bin/smt.exp; then
+
+$as_echo "#define HAVE_AIX_SMT_EXP 1" >>confdefs.h
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_com_err_com_err" >&5
-$as_echo "$ac_cv_lib_com_err_com_err" >&6; }
-if test "x$ac_cv_lib_com_err_com_err" = x""yes; then :
-  have_com_err=yes
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether system supports dynamic ptys" >&5
+$as_echo_n "checking whether system supports dynamic ptys... " >&6; }
+if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+$as_echo "#define HAVE_DEV_PTMX 1" >>confdefs.h
+
 else
-  have_com_err=no
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
-  if test $have_com_err = yes; then
-    COM_ERRLIB=-lcom_err
-    LIBS="$COM_ERRLIB $LIBS"
-
-$as_echo "#define HAVE_LIBCOM_ERR 1" >>confdefs.h
+ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
+if test "x$ac_cv_type_pid_t" = x""yes; then :
 
-  fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mit_des_cbc_encrypt in -lcrypto" >&5
-$as_echo_n "checking for mit_des_cbc_encrypt in -lcrypto... " >&6; }
-if test "${ac_cv_lib_crypto_mit_des_cbc_encrypt+set}" = set; then :
-  $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lcrypto  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char mit_des_cbc_encrypt ();
-int
-main ()
-{
-return mit_des_cbc_encrypt ();
-  ;
-  return 0;
-}
+cat >>confdefs.h <<_ACEOF
+#define pid_t int
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_crypto_mit_des_cbc_encrypt=yes
-else
-  ac_cv_lib_crypto_mit_des_cbc_encrypt=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_mit_des_cbc_encrypt" >&5
-$as_echo "$ac_cv_lib_crypto_mit_des_cbc_encrypt" >&6; }
-if test "x$ac_cv_lib_crypto_mit_des_cbc_encrypt" = x""yes; then :
-  have_crypto=yes
-else
-  have_crypto=no
+
+for ac_header in vfork.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default"
+if test "x$ac_cv_header_vfork_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_VFORK_H 1
+_ACEOF
+
 fi
 
-  if test $have_crypto = yes; then
-    CRYPTOLIB=-lcrypto
-    LIBS="$CRYPTOLIB $LIBS"
+done
 
-$as_echo "#define HAVE_LIBCRYPTO 1" >>confdefs.h
+for ac_func in fork vfork
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
-  fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mit_des_cbc_encrypt in -lk5crypto" >&5
-$as_echo_n "checking for mit_des_cbc_encrypt in -lk5crypto... " >&6; }
-if test "${ac_cv_lib_k5crypto_mit_des_cbc_encrypt+set}" = set; then :
+fi
+done
+
+if test "x$ac_cv_func_fork" = xyes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5
+$as_echo_n "checking for working fork... " >&6; }
+if test "${ac_cv_func_fork_works+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lk5crypto  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  if test "$cross_compiling" = yes; then :
+  ac_cv_func_fork_works=cross
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char mit_des_cbc_encrypt ();
+$ac_includes_default
 int
 main ()
 {
-return mit_des_cbc_encrypt ();
+
+	  /* By Ruediger Kuhlmann. */
+	  return fork () < 0;
+
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_k5crypto_mit_des_cbc_encrypt=yes
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_func_fork_works=yes
 else
-  ac_cv_lib_k5crypto_mit_des_cbc_encrypt=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+  ac_cv_func_fork_works=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_k5crypto_mit_des_cbc_encrypt" >&5
-$as_echo "$ac_cv_lib_k5crypto_mit_des_cbc_encrypt" >&6; }
-if test "x$ac_cv_lib_k5crypto_mit_des_cbc_encrypt" = x""yes; then :
-  have_k5crypto=yes
-else
-  have_k5crypto=no
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-  if test $have_k5crypto = yes; then
-    CRYPTOLIB=-lk5crypto
-    LIBS="$CRYPTOLIB $LIBS"
-
-$as_echo "#define HAVE_LIBK5CRYPTO 1" >>confdefs.h
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5
+$as_echo "$ac_cv_func_fork_works" >&6; }
 
-  fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb5_init_context in -lkrb5" >&5
-$as_echo_n "checking for krb5_init_context in -lkrb5... " >&6; }
-if test "${ac_cv_lib_krb5_krb5_init_context+set}" = set; then :
+else
+  ac_cv_func_fork_works=$ac_cv_func_fork
+fi
+if test "x$ac_cv_func_fork_works" = xcross; then
+  case $host in
+    *-*-amigaos* | *-*-msdosdjgpp*)
+      # Override, as these systems have only a dummy fork() stub
+      ac_cv_func_fork_works=no
+      ;;
+    *)
+      ac_cv_func_fork_works=yes
+      ;;
+  esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5
+$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;}
+fi
+ac_cv_func_vfork_works=$ac_cv_func_vfork
+if test "x$ac_cv_func_vfork" = xyes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5
+$as_echo_n "checking for working vfork... " >&6; }
+if test "${ac_cv_func_vfork_works+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lkrb5  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  if test "$cross_compiling" = yes; then :
+  ac_cv_func_vfork_works=cross
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
+/* Thanks to Paul Eggert for this test.  */
+$ac_includes_default
+#include <sys/wait.h>
+#ifdef HAVE_VFORK_H
+# include <vfork.h>
+#endif
+/* On some sparc systems, changes by the child to local and incoming
+   argument registers are propagated back to the parent.  The compiler
+   is told about this with #include <vfork.h>, but some compilers
+   (e.g. gcc -O) don't grok <vfork.h>.  Test for this by using a
+   static variable whose address is put into a register that is
+   clobbered by the vfork.  */
+static void
 #ifdef __cplusplus
-extern "C"
+sparc_address_test (int arg)
+# else
+sparc_address_test (arg) int arg;
 #endif
-char krb5_init_context ();
+{
+  static pid_t child;
+  if (!child) {
+    child = vfork ();
+    if (child < 0) {
+      perror ("vfork");
+      _exit(2);
+    }
+    if (!child) {
+      arg = getpid();
+      write(-1, "", 0);
+      _exit (arg);
+    }
+  }
+}
+
 int
 main ()
 {
-return krb5_init_context ();
-  ;
-  return 0;
+  pid_t parent = getpid ();
+  pid_t child;
+
+  sparc_address_test (0);
+
+  child = vfork ();
+
+  if (child == 0) {
+    /* Here is another test for sparc vfork register problems.  This
+       test uses lots of local variables, at least as many local
+       variables as main has allocated so far including compiler
+       temporaries.  4 locals are enough for gcc 1.40.3 on a Solaris
+       4.1.3 sparc, but we use 8 to be safe.  A buggy compiler should
+       reuse the register of parent for one of the local variables,
+       since it will think that parent can't possibly be used any more
+       in this routine.  Assigning to the local variable will thus
+       munge parent in the parent process.  */
+    pid_t
+      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
+      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
+    /* Convince the compiler that p..p7 are live; otherwise, it might
+       use the same hardware register for all 8 local variables.  */
+    if (p != p1 || p != p2 || p != p3 || p != p4
+	|| p != p5 || p != p6 || p != p7)
+      _exit(1);
+
+    /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent
+       from child file descriptors.  If the child closes a descriptor
+       before it execs or exits, this munges the parent's descriptor
+       as well.  Test for this by closing stdout in the child.  */
+    _exit(close(fileno(stdout)) != 0);
+  } else {
+    int status;
+    struct stat st;
+
+    while (wait(&status) != child)
+      ;
+    return (
+	 /* Was there some problem with vforking?  */
+	 child < 0
+
+	 /* Did the child fail?  (This shouldn't happen.)  */
+	 || status
+
+	 /* Did the vfork/compiler bug occur?  */
+	 || parent != getpid()
+
+	 /* Did the file descriptor bug occur?  */
+	 || fstat(fileno(stdout), &st) != 0
+	 );
+  }
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_krb5_krb5_init_context=yes
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_func_vfork_works=yes
 else
-  ac_cv_lib_krb5_krb5_init_context=no
+  ac_cv_func_vfork_works=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb5_krb5_init_context" >&5
-$as_echo "$ac_cv_lib_krb5_krb5_init_context" >&6; }
-if test "x$ac_cv_lib_krb5_krb5_init_context" = x""yes; then :
-  have_krb5=yes
-else
-  have_krb5=no
+
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5
+$as_echo "$ac_cv_func_vfork_works" >&6; }
 
-  if test $have_krb5=yes; then
-    KRB5LIB=-lkrb5
-    LIBS="$KRB5LIB $LIBS"
+fi;
+if test "x$ac_cv_func_fork_works" = xcross; then
+  ac_cv_func_vfork_works=$ac_cv_func_vfork
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5
+$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;}
+fi
 
-$as_echo "#define HAVE_LIBKRB5 1" >>confdefs.h
+if test "x$ac_cv_func_vfork_works" = xyes; then
 
-  fi
-    if test "${with_kerberos5}" = no; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for des_cbc_encrypt in -ldes425" >&5
-$as_echo_n "checking for des_cbc_encrypt in -ldes425... " >&6; }
-if test "${ac_cv_lib_des425_des_cbc_encrypt+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldes425  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
+$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char des_cbc_encrypt ();
-int
-main ()
-{
-return des_cbc_encrypt ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_des425_des_cbc_encrypt=yes
 else
-  ac_cv_lib_des425_des_cbc_encrypt=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+
+$as_echo "#define vfork fork" >>confdefs.h
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_des425_des_cbc_encrypt" >&5
-$as_echo "$ac_cv_lib_des425_des_cbc_encrypt" >&6; }
-if test "x$ac_cv_lib_des425_des_cbc_encrypt" = x""yes; then :
-  have_des425=yes
-else
-  have_des425=no
+if test "x$ac_cv_func_fork_works" = xyes; then
+
+$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h
+
 fi
 
-    if test $have_des425 = yes; then
-      DESLIB=-ldes425
-      LIBS="$DESLIB $LIBS"
 
-$as_echo "#define HAVE_LIBDES425 1" >>confdefs.h
+for ac_func in snprintf
+do :
+  ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf"
+if test "x$ac_cv_func_snprintf" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SNPRINTF 1
+_ACEOF
 
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for des_cbc_encrypt in -ldes" >&5
-$as_echo_n "checking for des_cbc_encrypt in -ldes... " >&6; }
-if test "${ac_cv_lib_des_des_cbc_encrypt+set}" = set; then :
+fi
+done
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for nl_langinfo and CODESET" >&5
+$as_echo_n "checking for nl_langinfo and CODESET... " >&6; }
+if test "${emacs_cv_langinfo_codeset+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldes  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char des_cbc_encrypt ();
+#include <langinfo.h>
 int
 main ()
 {
-return des_cbc_encrypt ();
+char* cs = nl_langinfo(CODESET);
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_des_des_cbc_encrypt=yes
+  emacs_cv_langinfo_codeset=yes
 else
-  ac_cv_lib_des_des_cbc_encrypt=no
+  emacs_cv_langinfo_codeset=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_des_des_cbc_encrypt" >&5
-$as_echo "$ac_cv_lib_des_des_cbc_encrypt" >&6; }
-if test "x$ac_cv_lib_des_des_cbc_encrypt" = x""yes; then :
-  have_des=yes
-else
-  have_des=no
-fi
 
-      if test $have_des = yes; then
-        DESLIB=-ldes
-        LIBS="$DESLIB $LIBS"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_langinfo_codeset" >&5
+$as_echo "$emacs_cv_langinfo_codeset" >&6; }
+if test $emacs_cv_langinfo_codeset = yes; then
 
-$as_echo "#define HAVE_LIBDES 1" >>confdefs.h
+$as_echo "#define HAVE_LANGINFO_CODESET 1" >>confdefs.h
 
-      fi
-    fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb_get_cred in -lkrb4" >&5
-$as_echo_n "checking for krb_get_cred in -lkrb4... " >&6; }
-if test "${ac_cv_lib_krb4_krb_get_cred+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lkrb4  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
+fi
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char krb_get_cred ();
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for mbstate_t" >&5
+$as_echo_n "checking for mbstate_t... " >&6; }
+if test "${ac_cv_type_mbstate_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+#	    include <wchar.h>
 int
 main ()
 {
-return krb_get_cred ();
+mbstate_t x; return sizeof x;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_krb4_krb_get_cred=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_type_mbstate_t=yes
 else
-  ac_cv_lib_krb4_krb_get_cred=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+  ac_cv_type_mbstate_t=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb4_krb_get_cred" >&5
-$as_echo "$ac_cv_lib_krb4_krb_get_cred" >&6; }
-if test "x$ac_cv_lib_krb4_krb_get_cred" = x""yes; then :
-  have_krb4=yes
-else
-  have_krb4=no
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_mbstate_t" >&5
+$as_echo "$ac_cv_type_mbstate_t" >&6; }
+   if test $ac_cv_type_mbstate_t = yes; then
 
-    if test $have_krb4 = yes; then
-      KRB4LIB=-lkrb4
-      LIBS="$KRB4LIB $LIBS"
+$as_echo "#define HAVE_MBSTATE_T 1" >>confdefs.h
 
-$as_echo "#define HAVE_LIBKRB4 1" >>confdefs.h
+   else
 
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for krb_get_cred in -lkrb" >&5
-$as_echo_n "checking for krb_get_cred in -lkrb... " >&6; }
-if test "${ac_cv_lib_krb_krb_get_cred+set}" = set; then :
+$as_echo "#define mbstate_t int" >>confdefs.h
+
+   fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C restricted array declarations" >&5
+$as_echo_n "checking for C restricted array declarations... " >&6; }
+if test "${emacs_cv_c_restrict_arr+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lkrb  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char krb_get_cred ();
+void fred (int x[__restrict]);
 int
 main ()
 {
-return krb_get_cred ();
+
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_krb_krb_get_cred=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+  emacs_cv_c_restrict_arr=yes
 else
-  ac_cv_lib_krb_krb_get_cred=no
+  emacs_cv_c_restrict_arr=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_krb_krb_get_cred" >&5
-$as_echo "$ac_cv_lib_krb_krb_get_cred" >&6; }
-if test "x$ac_cv_lib_krb_krb_get_cred" = x""yes; then :
-  have_krb=yes
-else
-  have_krb=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_c_restrict_arr" >&5
+$as_echo "$emacs_cv_c_restrict_arr" >&6; }
+if test "$emacs_cv_c_restrict_arr" = yes; then
+
+$as_echo "#define __restrict_arr __restrict" >>confdefs.h
+
 fi
 
-      if test $have_krb = yes; then
-        KRB4LIB=-lkrb
-        LIBS="$KRB4LIB $LIBS"
 
-$as_echo "#define HAVE_LIBKRB 1" >>confdefs.h
+
+$as_echo "#define AMPERSAND_FULL_NAME 1" >>confdefs.h
+
+
+
+$as_echo "#define CLASH_DETECTION 1" >>confdefs.h
+
+
+
+
+
+
+## Note: PTYs are broken on darwin <6.  Use at your own risk.
+
+$as_echo "#define HAVE_PTYS 1" >>confdefs.h
+
+
+
+$as_echo "#define HAVE_SOCKETS 1" >>confdefs.h
+
+
+
+
+
+$as_echo "#define NULL_DEVICE \"/dev/null\"" >>confdefs.h
+
+
+
+$as_echo "#define SEPCHAR ':'" >>confdefs.h
+
+
+
+$as_echo "#define subprocesses 1" >>confdefs.h
+
+
+
+$as_echo "#define USER_FULL_NAME pw->pw_gecos" >>confdefs.h
+
+
+
+
+$as_echo "#define DIRECTORY_SEP '/'" >>confdefs.h
+
+
+
+
+
+$as_echo "#define IS_DEVICE_SEP(_c_) 0" >>confdefs.h
+
+
+
+$as_echo "#define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)" >>confdefs.h
+
+
+
+$as_echo "#define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))" >>confdefs.h
+
+
+
+
+
+case $opsys in
+  aix4-2)
+        if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
+      $as_echo "#define NO_EDITRES 1" >>confdefs.h
+
+    fi
+    ;;
+
+  hpux*)
+            $as_echo "#define NO_EDITRES 1" >>confdefs.h
+
+    ;;
+esac
+
+
+case $opsys in
+  darwin | gnu | hpux* | *bsd )
+
+$as_echo "#define NO_TERMIO 1" >>confdefs.h
+
+    ;;
+
+  irix6-5 | sol2* | unixware )
+
+$as_echo "#define NSIG_MINIMUM 32" >>confdefs.h
+
+    ;;
+esac
+
+
+case $opsys in
+      hpux* | irix6-5 | openbsd | sol2* | unixware )
+
+$as_echo "#define BROKEN_SIGIO 1" >>confdefs.h
+
+    ;;
+
+  aix4-2)
+
+$as_echo "#define BROKEN_FIONREAD 1" >>confdefs.h
+
+
+$as_echo "#define BROKEN_SIGAIO 1" >>confdefs.h
+
+
+$as_echo "#define BROKEN_SIGPOLL 1" >>confdefs.h
+
+
+$as_echo "#define BROKEN_SIGPTY 1" >>confdefs.h
+
+
+
+$as_echo "#define BROKEN_GET_CURRENT_DIR_NAME 1" >>confdefs.h
+
+    ;;
+
+  freebsd)
+
+$as_echo "#define BROKEN_PTY_READ_AFTER_EAGAIN 1" >>confdefs.h
+
+    ;;
+
+      darwin)
+
+$as_echo "#define NO_ABORT 1" >>confdefs.h
+
+    ;;
+esac
+
+case $opsys in
+  gnu-* | sol2-10 )
+
+$as_echo "#define HAVE_PROCFS 1" >>confdefs.h
+
+  ;;
+esac
+
+case $opsys in
+  darwin | freebsd | netbsd | openbsd )
+
+$as_echo "#define DONT_REOPEN_PTY 1" >>confdefs.h
+
+  ;;
+esac
+
+case $opsys in
+  netbsd | openbsd) sound_device="/dev/audio" ;;
+  *) sound_device="/dev/dsp" ;;
+esac
+
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_SOUND_DEVICE "$sound_device"
+_ACEOF
+
+
+
+case $opsys in
+  darwin | gnu-linux | gnu-kfreebsd )
+
+$as_echo "#define INTERRUPT_INPUT 1" >>confdefs.h
+
+  ;;
+esac
+
+
+case $opsys in
+  cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
+
+$as_echo "#define NARROWPROTO 1" >>confdefs.h
+
+  ;;
+esac
+
+
+
+
+
+
+
+
+case $opsys in
+  aix4-2 )
+    $as_echo "#define PTY_ITERATION int c; for (c = 0; !c ; c++)" >>confdefs.h
+
+            $as_echo "#define PTY_NAME_SPRINTF strcpy (pty_name, \"/dev/ptc\");" >>confdefs.h
+
+    $as_echo "#define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));" >>confdefs.h
+
+    ;;
+
+  cygwin )
+    $as_echo "#define PTY_ITERATION int i; for (i = 0; i < 1; i++)" >>confdefs.h
+
+        $as_echo "#define PTY_OPEN  do { int dummy; SIGMASKTYPE mask; mask = sigblock (sigmask (SIGCHLD)); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; sigsetmask (mask); if (fd >= 0) emacs_close (dummy); } while (0)" >>confdefs.h
+
+    $as_echo "#define PTY_NAME_SPRINTF /**/" >>confdefs.h
+
+    $as_echo "#define PTY_TTY_NAME_SPRINTF /**/" >>confdefs.h
+
+    ;;
+
+    darwin )
+    $as_echo "#define PTY_ITERATION int i; for (i = 0; i < 1; i++)" >>confdefs.h
+
+        $as_echo "#define FIRST_PTY_LETTER 'p'" >>confdefs.h
+
+                $as_echo "#define PTY_OPEN  do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)" >>confdefs.h
+
+    $as_echo "#define PTY_NAME_SPRINTF /**/" >>confdefs.h
+
+    $as_echo "#define PTY_TTY_NAME_SPRINTF /**/" >>confdefs.h
+
+    ;;
+
+  gnu | openbsd )
+    $as_echo "#define FIRST_PTY_LETTER 'p'" >>confdefs.h
+
+    ;;
+
+  gnu-linux | gnu-kfreebsd | freebsd | netbsd )
+        if test "x$ac_cv_func_grantpt" = xyes; then
+
+$as_echo "#define UNIX98_PTYS 1" >>confdefs.h
+
+      $as_echo "#define PTY_ITERATION int i; for (i = 0; i < 1; i++)" >>confdefs.h
+
+                  $as_echo "#define PTY_TTY_NAME_SPRINTF { char *ptyname; sigblock (sigmask (SIGCHLD)); if (grantpt (fd) == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname(fd))) { sigunblock (sigmask (SIGCHLD)); close (fd); return -1; } snprintf (pty_name, sizeof pty_name, \"%s\", ptyname); sigunblock (sigmask (SIGCHLD)); }" >>confdefs.h
+
+            if test "x$ac_cv_func_posix_openpt" = xyes; then
+        $as_echo "#define PTY_OPEN fd = posix_openpt (O_RDWR | O_NOCTTY)" >>confdefs.h
+
+        $as_echo "#define PTY_NAME_SPRINTF /**/" >>confdefs.h
+
+            elif test "x$ac_cv_func_getpt" = xyes; then
+        $as_echo "#define PTY_OPEN fd = getpt ()" >>confdefs.h
+
+        $as_echo "#define PTY_NAME_SPRINTF /**/" >>confdefs.h
+
+      else
+        $as_echo "#define PTY_NAME_SPRINTF strcpy (pty_name, \"/dev/ptmx\");" >>confdefs.h
 
       fi
-    fi
-  fi
+    else
+      $as_echo "#define FIRST_PTY_LETTER 'p'" >>confdefs.h
 
-  if test "${with_kerberos5}" != no; then
-    for ac_header in krb5.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "krb5.h" "ac_cv_header_krb5_h" "$ac_includes_default"
-if test "x$ac_cv_header_krb5_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_KRB5_H 1
-_ACEOF
- ac_fn_c_check_member "$LINENO" "krb5_error" "text" "ac_cv_member_krb5_error_text" "#include <krb5.h>
-"
-if test "x$ac_cv_member_krb5_error_text" = x""yes; then :
+    fi
+    ;;
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_KRB5_ERROR_TEXT 1
-_ACEOF
+  hpux*)
+    $as_echo "#define FIRST_PTY_LETTER 'p'" >>confdefs.h
 
+    $as_echo "#define PTY_NAME_SPRINTF sprintf (pty_name, \"/dev/ptym/pty%c%x\", c, i);" >>confdefs.h
 
-fi
-ac_fn_c_check_member "$LINENO" "krb5_error" "e_text" "ac_cv_member_krb5_error_e_text" "#include <krb5.h>
-"
-if test "x$ac_cv_member_krb5_error_e_text" = x""yes; then :
+    $as_echo "#define PTY_TTY_NAME_SPRINTF sprintf (pty_name, \"/dev/pty/tty%c%x\", c, i);" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_KRB5_ERROR_E_TEXT 1
-_ACEOF
+    ;;
 
+  irix6-5 )
+                                            $as_echo "#define PTY_ITERATION /**/" >>confdefs.h
 
-fi
+        $as_echo "#define FIRST_PTY_LETTER 'q'" >>confdefs.h
 
-fi
+    $as_echo "#define PTY_OPEN  { struct sigaction ocstat, cstat; struct stat stb; char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL; cstat.sa_flags = 0; sigaction(SIGCLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCLD, &ocstat, (struct sigaction *)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0) return -1; strcpy (pty_name, name); }" >>confdefs.h
 
-done
+        $as_echo "#define PTY_NAME_SPRINTF /**/" >>confdefs.h
 
-  else
-    for ac_header in des.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "des.h" "ac_cv_header_des_h" "$ac_includes_default"
-if test "x$ac_cv_header_des_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_DES_H 1
-_ACEOF
+        $as_echo "#define PTY_TTY_NAME_SPRINTF /**/" >>confdefs.h
 
-else
-  for ac_header in kerberosIV/des.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "kerberosIV/des.h" "ac_cv_header_kerberosIV_des_h" "$ac_includes_default"
-if test "x$ac_cv_header_kerberosIV_des_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_KERBEROSIV_DES_H 1
-_ACEOF
+    ;;
 
-else
-  for ac_header in kerberos/des.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "kerberos/des.h" "ac_cv_header_kerberos_des_h" "$ac_includes_default"
-if test "x$ac_cv_header_kerberos_des_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_KERBEROS_DES_H 1
-_ACEOF
+  sol2* )
+                            $as_echo "#define PTY_TTY_NAME_SPRINTF { char *ptsname (int), *ptyname; sigblock (sigmask (SIGCLD)); if (grantpt (fd) == -1) { emacs_close (fd); return -1; } sigunblock (sigmask (SIGCLD)); if (unlockpt (fd) == -1) { emacs_close (fd); return -1; } if (!(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, sizeof pty_name, \"%s\", ptyname); }" >>confdefs.h
 
-fi
+    ;;
 
-done
+  unixware )
+        $as_echo "#define PTY_TTY_NAME_SPRINTF { char *ptsname (int), *ptyname; sigblock(sigmask(SIGCLD)); if (grantpt(fd) == -1) fatal(\"could not grant slave pty\"); sigunblock(sigmask(SIGCLD)); if (unlockpt(fd) == -1) fatal(\"could not unlock slave pty\"); if (!(ptyname = ptsname(fd))) fatal (\"could not enable slave pty\"); snprintf (pty_name, sizeof pty_name, \"%s\", ptyname); }" >>confdefs.h
 
-fi
+    ;;
+esac
 
-done
 
-fi
+case $opsys in
+  sol2* | unixware )
+            $as_echo "#define FIRST_PTY_LETTER 'z'" >>confdefs.h
 
-done
+    $as_echo "#define PTY_NAME_SPRINTF strcpy (pty_name, \"/dev/ptmx\");" >>confdefs.h
 
-    for ac_header in krb.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "krb.h" "ac_cv_header_krb_h" "$ac_includes_default"
-if test "x$ac_cv_header_krb_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_KRB_H 1
-_ACEOF
 
-else
-  for ac_header in kerberosIV/krb.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "kerberosIV/krb.h" "ac_cv_header_kerberosIV_krb_h" "$ac_includes_default"
-if test "x$ac_cv_header_kerberosIV_krb_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_KERBEROSIV_KRB_H 1
-_ACEOF
+$as_echo "#define SETUP_SLAVE_PTY if (ioctl (xforkin, I_PUSH, \"ptem\") == -1) fatal (\"ioctl I_PUSH ptem\"); if (ioctl (xforkin, I_PUSH, \"ldterm\") == -1) fatal (\"ioctl I_PUSH ldterm\"); if (ioctl (xforkin, I_PUSH, \"ttcompat\") == -1) fatal (\"ioctl I_PUSH ttcompat\");" >>confdefs.h
 
-else
-  for ac_header in kerberos/krb.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "kerberos/krb.h" "ac_cv_header_kerberos_krb_h" "$ac_includes_default"
-if test "x$ac_cv_header_kerberos_krb_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_KERBEROS_KRB_H 1
-_ACEOF
+    ;;
+esac
 
-fi
 
-done
 
-fi
 
-done
+case $opsys in
+      aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd )
+    $as_echo "#define SIGNALS_VIA_CHARACTERS 1" >>confdefs.h
 
-fi
+    ;;
 
-done
+      gnu-linux | gnu-kfreebsd )
 
-  fi
-  for ac_header in com_err.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "com_err.h" "ac_cv_header_com_err_h" "$ac_includes_default"
-if test "x$ac_cv_header_com_err_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_COM_ERR_H 1
-_ACEOF
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for signals via characters" >&5
+$as_echo_n "checking for signals via characters... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-fi
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < 0x20400
+# error "Linux version too old"
+#endif
 
-done
+int
+main ()
+{
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  emacs_signals_via_chars=yes
+else
+  emacs_signals_via_chars=no
 fi
+rm -f conftest.err conftest.$ac_ext
 
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_signals_via_chars" >&5
+$as_echo "$emacs_signals_via_chars" >&6; }
+    test $emacs_signals_via_chars = yes && $as_echo "#define SIGNALS_VIA_CHARACTERS 1" >>confdefs.h
 
+    ;;
+esac
 
 
 
 
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether localtime caches TZ" >&5
-$as_echo_n "checking whether localtime caches TZ... " >&6; }
-if test "${emacs_cv_localtime_cache+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test x$ac_cv_func_tzset = xyes; then
-if test "$cross_compiling" = yes; then :
-  # If we have tzset, assume the worst when cross-compiling.
-emacs_cv_localtime_cache=yes
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C library" >&5
+$as_echo_n "checking whether we are using the GNU C library... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <time.h>
-char TZ_GMT0[] = "TZ=GMT0";
-char TZ_PST8[] = "TZ=PST8";
-main()
+
+#include <features.h>
+#ifndef __GNU_LIBRARY__
+# error "this is not the GNU C library"
+#endif
+
+int
+main ()
 {
-  time_t now = time ((time_t *) 0);
-  int hour_GMT0, hour_unset;
-  if (putenv (TZ_GMT0) != 0)
-    exit (1);
-  hour_GMT0 = localtime (&now)->tm_hour;
-  unsetenv("TZ");
-  hour_unset = localtime (&now)->tm_hour;
-  if (putenv (TZ_PST8) != 0)
-    exit (1);
-  if (localtime (&now)->tm_hour == hour_GMT0)
-    exit (1);
-  unsetenv("TZ");
-  if (localtime (&now)->tm_hour != hour_unset)
-    exit (1);
-  exit (0);
+
+  ;
+  return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  emacs_cv_localtime_cache=no
+if ac_fn_c_try_cpp "$LINENO"; then :
+  emacs_glibc=yes
 else
-  emacs_cv_localtime_cache=yes
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  emacs_glibc=no
 fi
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_glibc" >&5
+$as_echo "$emacs_glibc" >&6; }
 
-else
-	# If we lack tzset, report that localtime does not cache TZ,
-	# since we can't invalidate the cache if we don't have tzset.
-	emacs_cv_localtime_cache=no
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_localtime_cache" >&5
-$as_echo "$emacs_cv_localtime_cache" >&6; }
-if test $emacs_cv_localtime_cache = yes; then
+if test $emacs_glibc = yes; then
 
-$as_echo "#define LOCALTIME_CACHE 1" >>confdefs.h
+  emacs_pending_output=unknown
 
-fi
+  case $opsys in
+    gnu | gnu-linux | gnu-kfreebsd )
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of pending output formalism" >&5
+$as_echo_n "checking for style of pending output formalism... " >&6; }
+                  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-if test "x$HAVE_TIMEVAL" = xyes; then
-  for ac_func in gettimeofday
-do :
-  ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
-if test "x$ac_cv_func_gettimeofday" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETTIMEOFDAY 1
-_ACEOF
+#include <stdio.h>
+#if !defined (_IO_STDIO_H) && !defined (_STDIO_USES_IOSTREAM)
+# error "stdio definitions not found"
+#endif
 
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  emacs_pending_output=new
 fi
-done
+rm -f conftest.err conftest.$ac_ext
 
-  if test $ac_cv_func_gettimeofday = yes; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gettimeofday can accept two arguments" >&5
-$as_echo_n "checking whether gettimeofday can accept two arguments... " >&6; }
-if test "${emacs_cv_gettimeofday_two_arguments+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+      if test $emacs_pending_output = unknown; then
+        case $opsys in
+          gnu-linux | gnu-kfreebsd)
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#ifdef TIME_WITH_SYS_TIME
-#include <sys/time.h>
-#include <time.h>
-#else
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#else
-#include <time.h>
-#endif
+#include <stdio.h>
+#ifndef __UCLIBC__
+# error "not using uclibc"
 #endif
+
 int
 main ()
 {
-struct timeval time;
-       gettimeofday (&time, 0);
+
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_gettimeofday_two_arguments=yes
+if ac_fn_c_try_cpp "$LINENO"; then :
+  emacs_pending_output=uclibc
 else
-  emacs_cv_gettimeofday_two_arguments=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  emacs_pending_output=old
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_gettimeofday_two_arguments" >&5
-$as_echo "$emacs_cv_gettimeofday_two_arguments" >&6; }
-    if test $emacs_cv_gettimeofday_two_arguments = no; then
+rm -f conftest.err conftest.$ac_ext
+            ;;
+        esac
+      fi
 
-$as_echo "#define GETTIMEOFDAY_ONE_ARGUMENT 1" >>confdefs.h
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_pending_output" >&5
+$as_echo "$emacs_pending_output" >&6; }
 
-    fi
-  fi
-fi
+      case $emacs_pending_output in
+        new)
+                    $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)" >>confdefs.h
 
-ok_so_far=yes
-ac_fn_c_check_func "$LINENO" "socket" "ac_cv_func_socket"
-if test "x$ac_cv_func_socket" = x""yes; then :
+          ;;
+        uclibc)
+                    $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufpos - (FILE)->__bufstart)" >>confdefs.h
 
-else
-  ok_so_far=no
-fi
+          ;;
+        old)
+                    $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_pptr - (FILE)->_pbase)" >>confdefs.h
 
-if test $ok_so_far = yes; then
-  ac_fn_c_check_header_mongrel "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_h" = x""yes; then :
+          ;;
+      esac
+    ;;
+  esac
+  if test $emacs_pending_output = unknown; then
+    $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)" >>confdefs.h
+
+  fi
 
 else
-  ok_so_far=no
-fi
+  case $opsys in
+    cygwin | darwin | freebsd | netbsd | openbsd )
+      $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)" >>confdefs.h
 
+      ;;
 
-fi
-if test $ok_so_far = yes; then
-  ac_fn_c_check_header_mongrel "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
-if test "x$ac_cv_header_arpa_inet_h" = x""yes; then :
+    unixware)
+      $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__ptr - (FILE)->__base)" >>confdefs.h
+
+      ;;
+
+    *)
+            if test x$ac_cv_header_stdio_ext_h = xyes && \
+        test x$ac_cv_func___fpending = xyes; then
+        $as_echo "#define PENDING_OUTPUT_COUNT(FILE) __fpending (FILE)" >>confdefs.h
+
+
+$as_echo "#define DISPNEW_NEEDS_STDIO_EXT 1" >>confdefs.h
 
-else
-  ok_so_far=no
+      else
+        $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)" >>confdefs.h
+
+      fi
+      ;;
+  esac
 fi
 
 
-fi
-if test $ok_so_far = yes; then
 
-$as_echo "#define HAVE_INET_SOCKETS 1" >>confdefs.h
 
-fi
+case $opsys in
+  gnu)
+        $as_echo "#define DATA_START ({ extern int data_start; (char *) &data_start; })" >>confdefs.h
 
-if test -f /usr/lpp/X11/bin/smt.exp; then
+    ;;
 
-$as_echo "#define HAVE_AIX_SMT_EXP 1" >>confdefs.h
+  hpux*)
+        $as_echo "#define DATA_START 0x40000000" >>confdefs.h
 
-fi
+    $as_echo "#define DATA_SEG_BITS 0x40000000" >>confdefs.h
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether system supports dynamic ptys" >&5
-$as_echo_n "checking whether system supports dynamic ptys... " >&6; }
-if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+    ;;
+  irix6-5)
+    $as_echo "#define DATA_START 0x10000000" >>confdefs.h
 
-$as_echo "#define HAVE_DEV_PTMX 1" >>confdefs.h
+    $as_echo "#define DATA_SEG_BITS 0x10000000" >>confdefs.h
 
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+    ;;
+esac
 
-ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
-if test "x$ac_cv_type_pid_t" = x""yes; then :
 
-else
 
-cat >>confdefs.h <<_ACEOF
-#define pid_t int
-_ACEOF
 
-fi
 
-for ac_header in vfork.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default"
-if test "x$ac_cv_header_vfork_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_VFORK_H 1
-_ACEOF
+case $opsys in
+  darwin) $as_echo "#define TAB3 OXTABS" >>confdefs.h
+ ;;
 
-fi
+  gnu | freebsd | netbsd | openbsd )
 
-done
+$as_echo "#define TABDLY OXTABS" >>confdefs.h
 
-for ac_func in fork vfork
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+    $as_echo "#define TAB3 OXTABS" >>confdefs.h
 
-fi
-done
+    ;;
 
-if test "x$ac_cv_func_fork" = xyes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5
-$as_echo_n "checking for working fork... " >&6; }
-if test "${ac_cv_func_fork_works+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then :
-  ac_cv_func_fork_works=cross
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  gnu-linux | gnu-kfreebsd )
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
+
+#ifndef __i386__
+# error "not i386"
+#endif
+
 int
 main ()
 {
 
-	  /* By Ruediger Kuhlmann. */
-	  return fork () < 0;
-
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ac_cv_func_fork_works=yes
-else
-  ac_cv_func_fork_works=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
+if ac_fn_c_try_cpp "$LINENO"; then :
+  $as_echo "#define ULIMIT_BREAK_VALUE (32*1024*1024)" >>confdefs.h
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5
-$as_echo "$ac_cv_func_fork_works" >&6; }
+rm -f conftest.err conftest.$ac_ext
 
-else
-  ac_cv_func_fork_works=$ac_cv_func_fork
-fi
-if test "x$ac_cv_func_fork_works" = xcross; then
-  case $host in
-    *-*-amigaos* | *-*-msdosdjgpp*)
-      # Override, as these systems have only a dummy fork() stub
-      ac_cv_func_fork_works=no
-      ;;
-    *)
-      ac_cv_func_fork_works=yes
-      ;;
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5
-$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;}
-fi
-ac_cv_func_vfork_works=$ac_cv_func_vfork
-if test "x$ac_cv_func_vfork" = xyes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5
-$as_echo_n "checking for working vfork... " >&6; }
-if test "${ac_cv_func_vfork_works+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then :
-  ac_cv_func_vfork_works=cross
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-/* Thanks to Paul Eggert for this test.  */
-$ac_includes_default
-#include <sys/wait.h>
-#ifdef HAVE_VFORK_H
-# include <vfork.h>
-#endif
-/* On some sparc systems, changes by the child to local and incoming
-   argument registers are propagated back to the parent.  The compiler
-   is told about this with #include <vfork.h>, but some compilers
-   (e.g. gcc -O) don't grok <vfork.h>.  Test for this by using a
-   static variable whose address is put into a register that is
-   clobbered by the vfork.  */
-static void
-#ifdef __cplusplus
-sparc_address_test (int arg)
-# else
-sparc_address_test (arg) int arg;
+
+#ifndef __ia64__
+# error "not ia64"
 #endif
-{
-  static pid_t child;
-  if (!child) {
-    child = vfork ();
-    if (child < 0) {
-      perror ("vfork");
-      _exit(2);
-    }
-    if (!child) {
-      arg = getpid();
-      write(-1, "", 0);
-      _exit (arg);
-    }
-  }
-}
 
 int
 main ()
 {
-  pid_t parent = getpid ();
-  pid_t child;
 
-  sparc_address_test (0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
 
-  child = vfork ();
+$as_echo "#define GC_MARK_SECONDARY_STACK() do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)" >>confdefs.h
 
-  if (child == 0) {
-    /* Here is another test for sparc vfork register problems.  This
-       test uses lots of local variables, at least as many local
-       variables as main has allocated so far including compiler
-       temporaries.  4 locals are enough for gcc 1.40.3 on a Solaris
-       4.1.3 sparc, but we use 8 to be safe.  A buggy compiler should
-       reuse the register of parent for one of the local variables,
-       since it will think that parent can't possibly be used any more
-       in this routine.  Assigning to the local variable will thus
-       munge parent in the parent process.  */
-    pid_t
-      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
-      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
-    /* Convince the compiler that p..p7 are live; otherwise, it might
-       use the same hardware register for all 8 local variables.  */
-    if (p != p1 || p != p2 || p != p3 || p != p4
-	|| p != p5 || p != p6 || p != p7)
-      _exit(1);
+fi
+rm -f conftest.err conftest.$ac_ext
+    ;;
 
-    /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent
-       from child file descriptors.  If the child closes a descriptor
-       before it execs or exits, this munges the parent's descriptor
-       as well.  Test for this by closing stdout in the child.  */
-    _exit(close(fileno(stdout)) != 0);
-  } else {
-    int status;
-    struct stat st;
+  hpux*)
 
-    while (wait(&status) != child)
-      ;
-    return (
-	 /* Was there some problem with vforking?  */
-	 child < 0
+$as_echo "#define RUN_TIME_REMAP 1" >>confdefs.h
 
-	 /* Did the child fail?  (This shouldn't happen.)  */
-	 || status
+    ;;
 
-	 /* Did the vfork/compiler bug occur?  */
-	 || parent != getpid()
+  irix6-5)
+        $as_echo "#define ULIMIT_BREAK_VALUE 0x14000000" >>confdefs.h
 
-	 /* Did the file descriptor bug occur?  */
-	 || fstat(fileno(stdout), &st) != 0
-	 );
-  }
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ac_cv_func_vfork_works=yes
-else
-  ac_cv_func_vfork_works=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
+    ;;
+esac
 
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5
-$as_echo "$ac_cv_func_vfork_works" >&6; }
 
-fi;
-if test "x$ac_cv_func_fork_works" = xcross; then
-  ac_cv_func_vfork_works=$ac_cv_func_vfork
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5
-$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;}
-fi
 
-if test "x$ac_cv_func_vfork_works" = xyes; then
 
-$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h
 
-else
 
-$as_echo "#define vfork fork" >>confdefs.h
 
-fi
-if test "x$ac_cv_func_fork_works" = xyes; then
+case $opsys in
+  aix4-2 | hpux* | unixware)
+            $as_echo "#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE" >>confdefs.h
 
-$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h
+    ;;
 
-fi
+          gnu-linux | gnu-kfreebsd )
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
+#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
+  || defined __alpha__ || defined __mips__ || defined __s390__ \
+  || defined __arm__ || defined __powerpc__ || defined __amd64__ \
+  || defined __ia64__ || defined __sh__
+/* ok */
+#else
+# error "setjmp not known to work on this arch"
+#endif
 
-for ac_func in snprintf
-do :
-  ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf"
-if test "x$ac_cv_func_snprintf" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SNPRINTF 1
+int
+main ()
+{
+
+  ;
+  return 0;
+}
 _ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  $as_echo "#define GC_SETJMP_WORKS 1" >>confdefs.h
+
+else
+  $as_echo "#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE" >>confdefs.h
+
+fi
+rm -f conftest.err conftest.$ac_ext
+    ;;
+esac
 
-fi
-done
 
+if test x$GCC = xyes; then
+      $as_echo "#define GC_SETJMP_WORKS 1" >>confdefs.h
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for nl_langinfo and CODESET" >&5
-$as_echo_n "checking for nl_langinfo and CODESET... " >&6; }
-if test "${emacs_cv_langinfo_codeset+set}" = set; then :
+else
+  case $opsys in
+        freebsd | netbsd | openbsd | irix6-5 | sol2* )
+      $as_echo "#define GC_SETJMP_WORKS 1" >>confdefs.h
+
+      ;;
+  esac
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _setjmp" >&5
+$as_echo_n "checking for _setjmp... " >&6; }
+if test "${emacs_cv_func__setjmp+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <langinfo.h>
+#include <setjmp.h>
+
 int
 main ()
 {
-char* cs = nl_langinfo(CODESET);
+jmp_buf j;
+	 if (! _setjmp (j))
+	   _longjmp (j, 1);
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  emacs_cv_langinfo_codeset=yes
+  emacs_cv_func__setjmp=yes
 else
-  emacs_cv_langinfo_codeset=no
+  emacs_cv_func__setjmp=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_langinfo_codeset" >&5
-$as_echo "$emacs_cv_langinfo_codeset" >&6; }
-if test $emacs_cv_langinfo_codeset = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_func__setjmp" >&5
+$as_echo "$emacs_cv_func__setjmp" >&6; }
+if test $emacs_cv_func__setjmp = no; then
+
+$as_echo "#define _setjmp setjmp" >>confdefs.h
 
-$as_echo "#define HAVE_LANGINFO_CODESET 1" >>confdefs.h
+
+$as_echo "#define _longjmp longjmp" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for mbstate_t" >&5
-$as_echo_n "checking for mbstate_t... " >&6; }
-if test "${ac_cv_type_mbstate_t+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+case $opsys in
+  sol2* | unixware )
+
+$as_echo "#define TIOCSIGSEND TIOCSIGNAL" >>confdefs.h
+
+    ;;
+esac
+
+
+case $opsys in
+  hpux* | sol2* )
+
+$as_echo "#define XOS_NEEDS_TIME_H 1" >>confdefs.h
+
+    ;;
+
+  netbsd | openbsd )
+
+$as_echo "#define SIGNAL_H_AHB 1" >>confdefs.h
+
+    ;;
+esac
+
+
+
+
+
+
+
+
+
+
+case $opsys in
+  aix4-2)
+    $as_echo "#define USG /**/" >>confdefs.h
+
+    $as_echo "#define USG5 /**/" >>confdefs.h
+
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
-#	    include <wchar.h>
+
+#ifndef _AIX
+# error "_AIX not defined"
+#endif
+
 int
 main ()
 {
-mbstate_t x; return sizeof x;
+
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_type_mbstate_t=yes
+if ac_fn_c_try_cpp "$LINENO"; then :
+
 else
-  ac_cv_type_mbstate_t=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+$as_echo "#define _AIX /**/" >>confdefs.h
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_mbstate_t" >&5
-$as_echo "$ac_cv_type_mbstate_t" >&6; }
-   if test $ac_cv_type_mbstate_t = yes; then
+rm -f conftest.err conftest.$ac_ext
+    ;;
 
-$as_echo "#define HAVE_MBSTATE_T 1" >>confdefs.h
+  cygwin)
 
-   else
+$as_echo "#define CYGWIN 1" >>confdefs.h
 
-$as_echo "#define mbstate_t int" >>confdefs.h
+    ;;
 
-   fi
+  darwin)
+        $as_echo "#define BSD4_2 /**/" >>confdefs.h
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C restricted array declarations" >&5
-$as_echo_n "checking for C restricted array declarations... " >&6; }
-if test "${emacs_cv_c_restrict_arr+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+    $as_echo "#define BSD_SYSTEM /**/" >>confdefs.h
+
+
+$as_echo "#define DARWIN_OS /**/" >>confdefs.h
+
+    ;;
+
+  freebsd)
+    $as_echo "#define BSD4_2 /**/" >>confdefs.h
+
+
+$as_echo "#define BSD_SYSTEM_AHB 1" >>confdefs.h
+
+    ;;
+
+  gnu | netbsd | openbsd )
+    $as_echo "#define BSD4_2 /**/" >>confdefs.h
+
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-void fred (int x[__restrict]);
+
+#ifndef BSD_SYSTEM
+# error "BSD_SYSTEM not defined"
+#endif
+
 int
 main ()
 {
@@ -15936,21 +15624,99 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  emacs_cv_c_restrict_arr=yes
+if ac_fn_c_try_cpp "$LINENO"; then :
+
 else
-  emacs_cv_c_restrict_arr=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  $as_echo "#define BSD_SYSTEM 43" >>confdefs.h
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_c_restrict_arr" >&5
-$as_echo "$emacs_cv_c_restrict_arr" >&6; }
-if test "$emacs_cv_c_restrict_arr" = yes; then
+rm -f conftest.err conftest.$ac_ext
+    ;;
 
-$as_echo "#define __restrict_arr __restrict" >>confdefs.h
+  gnu-linux | gnu-kfreebsd )
+    $as_echo "#define USG /**/" >>confdefs.h
+
+
+$as_echo "#define GNU_LINUX /**/" >>confdefs.h
+
+    ;;
+
+  hpux*)
+    $as_echo "#define USG /**/" >>confdefs.h
+
+    $as_echo "#define USG5 /**/" >>confdefs.h
+
+
+$as_echo "#define HPUX /**/" >>confdefs.h
+
+    ;;
+
+  irix6-5)
+    $as_echo "#define USG /**/" >>confdefs.h
+
+    $as_echo "#define USG5 /**/" >>confdefs.h
+
+    $as_echo "#define USG5_4 /**/" >>confdefs.h
+
+
+$as_echo "#define IRIX6_5 /**/" >>confdefs.h
+
+    ;;
+
+  sol2*)
+    $as_echo "#define USG /**/" >>confdefs.h
+
+    $as_echo "#define USG5 /**/" >>confdefs.h
+
+    $as_echo "#define USG5_4 /**/" >>confdefs.h
+
+
+$as_echo "#define SOLARIS2 /**/" >>confdefs.h
+
+    ;;
+
+  unixware)
+    $as_echo "#define USG /**/" >>confdefs.h
+
+    $as_echo "#define USG5 /**/" >>confdefs.h
+
+    $as_echo "#define USG5_4 /**/" >>confdefs.h
+
+    ;;
+esac
 
-fi
 
+case $opsys in
+          cygwin)
+
+$as_echo "#define G_SLICE_ALWAYS_MALLOC 1" >>confdefs.h
+
+    ;;
+
+  hpux11)
+
+$as_echo "#define BROKEN_SA_RESTART 1" >>confdefs.h
+
+
+$as_echo "#define USG_SUBTTY_WORKS 1" >>confdefs.h
+
+    ;;
+
+  irix6-5)
+
+$as_echo "#define PREFER_VSUSP 1" >>confdefs.h
+
+
+$as_echo "#define SETPGRP_RELEASES_CTTY 1" >>confdefs.h
+
+    ;;
+
+  sol2-10)
+
+$as_echo "#define _STRUCTURED_PROC 1" >>confdefs.h
+
+    ;;
+esac
 
 # Set up the CFLAGS for real compilation, so we can substitute it.
 CFLAGS="$REAL_CFLAGS"
@@ -15990,6 +15756,7 @@ version=$PACKAGE_VERSION
 
 
 
+
 
 
 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
@@ -16001,14 +15768,6 @@ version=$PACKAGE_VERSION
 
 ## Used in lwlib/Makefile.in.
 
-if test -n "${machfile}"; then
-  M_FILE="\$(srcdir)/${machfile}"
-else
-  M_FILE=
-fi
-S_FILE="\$(srcdir)/${opsysfile}"
-
-
 
 
 
@@ -16016,29 +15775,26 @@ S_FILE="\$(srcdir)/${opsysfile}"
 
 
 
+if test -n "${term_header}"; then
 
 cat >>confdefs.h <<_ACEOF
-#define EMACS_CONFIGURATION "${canonical}"
+#define TERM_HEADER "${term_header}"
 _ACEOF
 
+fi
 
-cat >>confdefs.h <<_ACEOF
-#define EMACS_CONFIG_OPTIONS "${ac_configure_args}"
-_ACEOF
-
-if test -n "$machfile"; then
 
 cat >>confdefs.h <<_ACEOF
-#define config_machfile "${machfile}"
+#define EMACS_CONFIGURATION "${canonical}"
 _ACEOF
 
-fi
 
 cat >>confdefs.h <<_ACEOF
-#define config_opsysfile "${opsysfile}"
+#define EMACS_CONFIG_OPTIONS "${ac_configure_args}"
 _ACEOF
 
 
+
 XMENU_OBJ=
 XOBJ=
 FONT_OBJ=
@@ -16047,7 +15803,7 @@ if test "${HAVE_X_WINDOWS}" = "yes" ; then
 $as_echo "#define HAVE_X_WINDOWS 1" >>confdefs.h
 
   XMENU_OBJ=xmenu.o
-  XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
+  XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
   FONT_OBJ=xfont.o
   if test "$HAVE_XFT" = "yes"; then
     FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
@@ -16194,7 +15950,18 @@ fi
 
 
 
-# Configure gnulib here, now that we know LIBS.
+# Configure gnulib.  Although this does not affect CFLAGS or LIBS permanently.
+# it temporarily reverts them to their pre-pkg-config values,
+# because gnulib needs to work with both src (which uses the
+# pkg-config stuff) and lib-src (which does not).  For example, gnulib
+# may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
+# and it therefore needs to run in an environment where LIBS does not
+# already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
+# for some package unrelated to lib-src.
+SAVE_CFLAGS=$CFLAGS
+SAVE_LIBS=$LIBS
+CFLAGS=$pre_PKG_CONFIG_CFLAGS
+LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
 
 
 
@@ -16311,8 +16078,8 @@ ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
 $as_echo "#define C_ALLOCA 1" >>confdefs.h
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5
-$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether 'alloca.c' needs Cray hooks" >&5
+$as_echo_n "checking whether 'alloca.c' needs Cray hooks... " >&6; }
 if test "${ac_cv_os_cray+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
@@ -16403,22 +16170,6 @@ fi
 
 
 
-  for ac_func in $ac_func_list
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-done
-
-
-
-
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
 if test "${ac_cv_c_bigendian+set}" = set; then :
@@ -16755,6 +16506,7 @@ $as_echo "#define HAVE_C99_STRTOLD 1" >>confdefs.h
   GNULIB_GETPAGESIZE=0;
   GNULIB_GETUSERSHELL=0;
   GNULIB_GROUP_MEMBER=0;
+  GNULIB_ISATTY=0;
   GNULIB_LCHOWN=0;
   GNULIB_LINK=0;
   GNULIB_LINKAT=0;
@@ -16767,11 +16519,11 @@ $as_echo "#define HAVE_C99_STRTOLD 1" >>confdefs.h
   GNULIB_READLINK=0;
   GNULIB_READLINKAT=0;
   GNULIB_RMDIR=0;
+  GNULIB_SETHOSTNAME=0;
   GNULIB_SLEEP=0;
   GNULIB_SYMLINK=0;
   GNULIB_SYMLINKAT=0;
   GNULIB_TTYNAME_R=0;
-  GNULIB_UNISTD_H_GETOPT=0;
   GNULIB_UNISTD_H_NONBLOCKING=0;
   GNULIB_UNISTD_H_SIGPIPE=0;
   GNULIB_UNLINK=0;
@@ -16803,6 +16555,7 @@ $as_echo "#define HAVE_C99_STRTOLD 1" >>confdefs.h
   HAVE_PWRITE=1;
   HAVE_READLINK=1;
   HAVE_READLINKAT=1;
+  HAVE_SETHOSTNAME=1;
   HAVE_SLEEP=1;
   HAVE_SYMLINK=1;
   HAVE_SYMLINKAT=1;
@@ -16815,6 +16568,7 @@ $as_echo "#define HAVE_C99_STRTOLD 1" >>confdefs.h
   HAVE_DECL_GETLOGIN_R=1;
   HAVE_DECL_GETPAGESIZE=1;
   HAVE_DECL_GETUSERSHELL=1;
+  HAVE_DECL_SETHOSTNAME=1;
   HAVE_DECL_TTYNAME_R=1;
   HAVE_OS_H=0;
   HAVE_SYS_PARAM_H=0;
@@ -16823,11 +16577,13 @@ $as_echo "#define HAVE_C99_STRTOLD 1" >>confdefs.h
   REPLACE_DUP=0;
   REPLACE_DUP2=0;
   REPLACE_FCHOWNAT=0;
+  REPLACE_FTRUNCATE=0;
   REPLACE_GETCWD=0;
   REPLACE_GETDOMAINNAME=0;
   REPLACE_GETLOGIN_R=0;
   REPLACE_GETGROUPS=0;
   REPLACE_GETPAGESIZE=0;
+  REPLACE_ISATTY=0;
   REPLACE_LCHOWN=0;
   REPLACE_LINK=0;
   REPLACE_LINKAT=0;
@@ -16848,6 +16604,63 @@ $as_echo "#define HAVE_C99_STRTOLD 1" >>confdefs.h
   UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
 
 
+
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if environ is properly declared" >&5
+$as_echo_n "checking if environ is properly declared... " >&6; }
+  if test "${gt_cv_var_environ_declaration+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if HAVE_UNISTD_H
+     #include <unistd.h>
+     #endif
+     /* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>.  */
+     #include <stdlib.h>
+
+           extern struct { int foo; } environ;
+int
+main ()
+{
+environ.foo = 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gt_cv_var_environ_declaration=no
+else
+  gt_cv_var_environ_declaration=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_var_environ_declaration" >&5
+$as_echo "$gt_cv_var_environ_declaration" >&6; }
+  if test $gt_cv_var_environ_declaration = yes; then
+
+$as_echo "#define HAVE_ENVIRON_DECL 1" >>confdefs.h
+
+  fi
+
+
+  if test $gt_cv_var_environ_declaration != yes; then
+    HAVE_DECL_ENVIRON=0
+  fi
+
+
+
+
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for st_dm_mode in struct stat" >&5
 $as_echo_n "checking for st_dm_mode in struct stat... " >&6; }
 if test "${ac_cv_struct_st_dm_mode+set}" = set; then :
@@ -16909,8 +16722,11 @@ _ACEOF
   GNULIB_MKOSTEMPS=0;
   GNULIB_MKSTEMP=0;
   GNULIB_MKSTEMPS=0;
+  GNULIB_POSIX_OPENPT=0;
   GNULIB_PTSNAME=0;
+  GNULIB_PTSNAME_R=0;
   GNULIB_PUTENV=0;
+  GNULIB_RANDOM=0;
   GNULIB_RANDOM_R=0;
   GNULIB_REALLOC_POSIX=0;
   GNULIB_REALPATH=0;
@@ -16934,7 +16750,10 @@ _ACEOF
   HAVE_MKOSTEMPS=1;
   HAVE_MKSTEMP=1;
   HAVE_MKSTEMPS=1;
+  HAVE_POSIX_OPENPT=1;
   HAVE_PTSNAME=1;
+  HAVE_PTSNAME_R=1;
+  HAVE_RANDOM=1;
   HAVE_RANDOM_H=1;
   HAVE_RANDOM_R=1;
   HAVE_REALPATH=1;
@@ -16953,7 +16772,9 @@ _ACEOF
   REPLACE_MALLOC=0;
   REPLACE_MBTOWC=0;
   REPLACE_MKSTEMP=0;
+  REPLACE_PTSNAME_R=0;
   REPLACE_PUTENV=0;
+  REPLACE_RANDOM_R=0;
   REPLACE_REALLOC=0;
   REPLACE_REALPATH=0;
   REPLACE_SETENV=0;
@@ -17117,12 +16938,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'getopt.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'getopt.h\)".*|\1|
+               gl_header_literal_regex=`echo 'getopt.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -17194,57 +17018,124 @@ done
 
   fi
 
-                    if test -z "$gl_replace_getopt"; then
+          if test -z "$gl_replace_getopt"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getopt is POSIX compatible" >&5
 $as_echo_n "checking whether getopt is POSIX compatible... " >&6; }
 if test "${gl_cv_func_getopt_posix+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-
-                                                                        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+
+                                                if test $cross_compiling = no; then
+                              if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
 #include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
 int
 main ()
 {
-int *p = &optreset; return optreset;
-  ;
+  static char program[] = "program";
+  static char a[] = "-a";
+  static char foo[] = "foo";
+  static char bar[] = "bar";
+  char *argv[] = { program, a, foo, bar, NULL };
+  int c;
+
+  c = getopt (4, argv, "ab");
+  if (!(c == 'a'))
+    return 1;
+  c = getopt (4, argv, "ab");
+  if (!(c == -1))
+    return 2;
+  if (!(optind == 2))
+    return 3;
   return 0;
 }
+
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  gl_optind_min=1
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_getopt_posix=maybe
+else
+  gl_cv_func_getopt_posix=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+          if test $gl_cv_func_getopt_posix = maybe; then
+                                    if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <getopt.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
 int
 main ()
 {
-return !getopt_clip;
-  ;
+  static char program[] = "program";
+  static char donald[] = "donald";
+  static char p[] = "-p";
+  static char billy[] = "billy";
+  static char duck[] = "duck";
+  static char a[] = "-a";
+  static char bar[] = "bar";
+  char *argv[] = { program, donald, p, billy, duck, a, bar, NULL };
+  int c;
+
+  c = getopt (7, argv, "+abp:q:");
+  if (!(c == -1))
+    return 4;
+  if (!(strcmp (argv[0], "program") == 0))
+    return 5;
+  if (!(strcmp (argv[1], "donald") == 0))
+    return 6;
+  if (!(strcmp (argv[2], "-p") == 0))
+    return 7;
+  if (!(strcmp (argv[3], "billy") == 0))
+    return 8;
+  if (!(strcmp (argv[4], "duck") == 0))
+    return 9;
+  if (!(strcmp (argv[5], "-a") == 0))
+    return 10;
+  if (!(strcmp (argv[6], "bar") == 0))
+    return 11;
+  if (!(optind == 1))
+    return 12;
   return 0;
 }
+
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gl_optind_min=1
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_getopt_posix=maybe
 else
-  gl_optind_min=0
+  gl_cv_func_getopt_posix=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-
-                gl_save_CPPFLAGS=$CPPFLAGS
-        CPPFLAGS="$CPPFLAGS -DOPTIND_MIN=$gl_optind_min"
-        if test "$cross_compiling" = yes; then :
-  case "$host_os" in
-             mingw*)         gl_cv_func_getopt_posix="guessing no";;
-             darwin* | aix*) gl_cv_func_getopt_posix="guessing no";;
-             *)              gl_cv_func_getopt_posix="guessing yes";;
-           esac
 
+          fi
+          if test $gl_cv_func_getopt_posix = maybe; then
+                        if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -17256,78 +17147,17 @@ else
 int
 main ()
 {
-  {
-    static char program[] = "program";
-    static char a[] = "-a";
-    static char foo[] = "foo";
-    static char bar[] = "bar";
-    char *argv[] = { program, a, foo, bar, NULL };
-    int c;
-
-    optind = OPTIND_MIN;
-    opterr = 0;
-
-    c = getopt (4, argv, "ab");
-    if (!(c == 'a'))
-      return 1;
-    c = getopt (4, argv, "ab");
-    if (!(c == -1))
-      return 2;
-    if (!(optind == 2))
-      return 3;
-  }
-  /* Some internal state exists at this point.  */
-  {
-    static char program[] = "program";
-    static char donald[] = "donald";
-    static char p[] = "-p";
-    static char billy[] = "billy";
-    static char duck[] = "duck";
-    static char a[] = "-a";
-    static char bar[] = "bar";
-    char *argv[] = { program, donald, p, billy, duck, a, bar, NULL };
-    int c;
-
-    optind = OPTIND_MIN;
-    opterr = 0;
-
-    c = getopt (7, argv, "+abp:q:");
-    if (!(c == -1))
-      return 4;
-    if (!(strcmp (argv[0], "program") == 0))
-      return 5;
-    if (!(strcmp (argv[1], "donald") == 0))
-      return 6;
-    if (!(strcmp (argv[2], "-p") == 0))
-      return 7;
-    if (!(strcmp (argv[3], "billy") == 0))
-      return 8;
-    if (!(strcmp (argv[4], "duck") == 0))
-      return 9;
-    if (!(strcmp (argv[5], "-a") == 0))
-      return 10;
-    if (!(strcmp (argv[6], "bar") == 0))
-      return 11;
-    if (!(optind == 1))
-      return 12;
-  }
-  /* Detect MacOS 10.5, AIX 7.1 bug.  */
-  {
-    static char program[] = "program";
-    static char ab[] = "-ab";
-    char *argv[3] = { program, ab, NULL };
-    optind = OPTIND_MIN;
-    opterr = 0;
-    if (getopt (2, argv, "ab:") != 'a')
-      return 13;
-    if (getopt (2, argv, "ab:") != '?')
-      return 14;
-    if (optopt != 'b')
-      return 15;
-    if (optind != 2)
-      return 16;
-  }
-
+  static char program[] = "program";
+  static char ab[] = "-ab";
+  char *argv[3] = { program, ab, NULL };
+  if (getopt (2, argv, "ab:") != 'a')
+    return 13;
+  if (getopt (2, argv, "ab:") != '?')
+    return 14;
+  if (optopt != 'b')
+    return 15;
+  if (optind != 2)
+    return 16;
   return 0;
 }
 
@@ -17341,7 +17171,13 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-        CPPFLAGS=$gl_save_CPPFLAGS
+          fi
+        else
+          case "$host_os" in
+            darwin* | aix* | mingw*) gl_cv_func_getopt_posix="guessing no";;
+            *)                       gl_cv_func_getopt_posix="guessing yes";;
+          esac
+        fi
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_getopt_posix" >&5
@@ -17372,11 +17208,7 @@ else
        POSIXLY_CORRECT=1
        export POSIXLY_CORRECT
        if test "$cross_compiling" = yes; then :
-           case $host_os:$ac_cv_have_decl_optreset in
-           *-gnu*:* | mingw*:*) gl_cv_func_getopt_gnu=no;;
-           *:yes)               gl_cv_func_getopt_gnu=no;;
-           *)                   gl_cv_func_getopt_gnu=yes;;
-         esac
+           gl_cv_func_getopt_gnu="guessing no"
 
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17387,7 +17219,7 @@ else
 
 #include <stdlib.h>
 #if defined __MACH__ && defined __APPLE__
-/* Avoid a crash on MacOS X.  */
+/* Avoid a crash on Mac OS X.  */
 #include <mach/mach.h>
 #include <mach/mach_error.h>
 #include <mach/thread_status.h>
@@ -17507,7 +17339,7 @@ main ()
              nocrash_init();
 
              /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw,
-                and fails on MacOS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
+                and fails on Mac OS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
                 OSF/1 5.1, Solaris 10.  */
              {
                static char conftest[] = "conftest";
@@ -17518,7 +17350,7 @@ main ()
                  result |= 1;
              }
              /* This code succeeds on glibc 2.8, mingw,
-                and fails on MacOS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11,
+                and fails on Mac OS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11,
                 IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x.  */
              {
                static char program[] = "program";
@@ -17547,7 +17379,7 @@ main ()
                if (getopt (3, argv, "-p") != 1)
                  result |= 16;
                else if (getopt (3, argv, "-p") != 'p')
-                 result |= 32;
+                 result |= 16;
              }
              /* This code fails on glibc 2.11.  */
              {
@@ -17557,9 +17389,9 @@ main ()
                char *argv[] = { program, b, a, NULL };
                optind = opterr = 0;
                if (getopt (3, argv, "+:a:b") != 'b')
-                 result |= 64;
+                 result |= 32;
                else if (getopt (3, argv, "+:a:b") != ':')
-                 result |= 64;
+                 result |= 32;
              }
              /* This code dumps core on glibc 2.14.  */
              {
@@ -17569,72 +17401,384 @@ main ()
                char *argv[] = { program, w, dummy, NULL };
                optind = opterr = 1;
                if (getopt (3, argv, "W;") != 'W')
-                 result |= 128;
+                 result |= 64;
              }
              return result;
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  gl_cv_func_getopt_gnu=yes
-else
-  gl_cv_func_getopt_gnu=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_getopt_gnu=yes
+else
+  gl_cv_func_getopt_gnu=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+       case $gl_had_POSIXLY_CORRECT in
+         exported) ;;
+         yes) { POSIXLY_CORRECT=; unset POSIXLY_CORRECT;}; POSIXLY_CORRECT=1 ;;
+         *) { POSIXLY_CORRECT=; unset POSIXLY_CORRECT;} ;;
+       esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_getopt_gnu" >&5
+$as_echo "$gl_cv_func_getopt_gnu" >&6; }
+    if test "$gl_cv_func_getopt_gnu" != yes; then
+      gl_replace_getopt=yes
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working GNU getopt_long function" >&5
+$as_echo_n "checking for working GNU getopt_long function... " >&6; }
+if test "${gl_cv_func_getopt_long_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+              case "$host_os" in
+              openbsd*) gl_cv_func_getopt_long_gnu="guessing no";;
+              *)        gl_cv_func_getopt_long_gnu="guessing yes";;
+            esac
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <getopt.h>
+                #include <stddef.h>
+                #include <string.h>
+
+int
+main ()
+{
+static const struct option long_options[] =
+                  {
+                    { "xtremely-",no_argument,       NULL, 1003 },
+                    { "xtra",     no_argument,       NULL, 1001 },
+                    { "xtreme",   no_argument,       NULL, 1002 },
+                    { "xtremely", no_argument,       NULL, 1003 },
+                    { NULL,       0,                 NULL, 0 }
+                  };
+                /* This code fails on OpenBSD 5.0.  */
+                {
+                  static char program[] = "program";
+                  static char xtremel[] = "--xtremel";
+                  char *argv[] = { program, xtremel, NULL };
+                  int option_index;
+                  optind = 1; opterr = 0;
+                  if (getopt_long (2, argv, "", long_options, &option_index) != 1003)
+                    return 1;
+                }
+                return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_getopt_long_gnu=yes
+else
+  gl_cv_func_getopt_long_gnu=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_getopt_long_gnu" >&5
+$as_echo "$gl_cv_func_getopt_long_gnu" >&6; }
+      case "$gl_cv_func_getopt_long_gnu" in
+        *yes) ;;
+        *) gl_replace_getopt=yes ;;
+      esac
+    fi
+  fi
+
+
+
+
+
+
+    REPLACE_GETOPT=0
+    if test -n "$gl_replace_getopt"; then
+      REPLACE_GETOPT=1
+    fi
+
+  if test $REPLACE_GETOPT = 1; then
+
+  GETOPT_H=getopt.h
+
+$as_echo "#define __GETOPT_PREFIX rpl_" >>confdefs.h
+
+
+
+  fi
+
+ac_fn_c_check_decl "$LINENO" "getenv" "ac_cv_have_decl_getenv" "$ac_includes_default"
+if test "x$ac_cv_have_decl_getenv" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETENV $ac_have_decl
+_ACEOF
+
+:
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
+$as_echo_n "checking for C/C++ restrict keyword... " >&6; }
+if test "${ac_cv_c_restrict+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_c_restrict=no
+   # The order here caters to the fact that C++ does not require restrict.
+   for ac_kw in __restrict __restrict__ _Restrict restrict; do
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+typedef int * int_ptr;
+	int foo (int_ptr $ac_kw ip) {
+	return ip[0];
+       }
+int
+main ()
+{
+int s[1];
+	int * $ac_kw t = s;
+	t[0] = 0;
+	return foo(t)
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_restrict=$ac_kw
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+     test "$ac_cv_c_restrict" != no && break
+   done
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_restrict" >&5
+$as_echo "$ac_cv_c_restrict" >&6; }
+
+ case $ac_cv_c_restrict in
+   restrict) ;;
+   no) $as_echo "#define restrict /**/" >>confdefs.h
+ ;;
+   *)  cat >>confdefs.h <<_ACEOF
+#define restrict $ac_cv_c_restrict
+_ACEOF
+ ;;
+ esac
+
+
+  GNULIB_GETTIMEOFDAY=0;
+    HAVE_GETTIMEOFDAY=1;
+  HAVE_STRUCT_TIMEVAL=1;
+  HAVE_SYS_TIME_H=1;
+  REPLACE_GETTIMEOFDAY=0;
+  REPLACE_STRUCT_TIMEVAL=0;
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_sys_time_h='<'sys/time.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/time.h>" >&5
+$as_echo_n "checking absolute name of <sys/time.h>... " >&6; }
+if test "${gl_cv_next_sys_time_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+             if test $ac_cv_header_sys_time_h = yes; then
+
+
+               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/time.h>
+
+_ACEOF
+                                                                                                                        case "$host_os" in
+                 aix*) gl_absname_cpp="$ac_cpp -C" ;;
+                 *)    gl_absname_cpp="$ac_cpp" ;;
+               esac
+
+               case "$host_os" in
+                 mingw*)
+                                                                                                                                     gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+
+               gl_header_literal_regex=`echo 'sys/time.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+                   s|^/[^/]|//&|
+                   p
+                   q
+                 }'
+                                                            gl_cv_next_sys_time_h='"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+                      sed -n "$gl_absolute_header_sed"`'"'
+          else
+               gl_cv_next_sys_time_h='<'sys/time.h'>'
+             fi
+
+
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_time_h" >&5
+$as_echo "$gl_cv_next_sys_time_h" >&6; }
+     fi
+     NEXT_SYS_TIME_H=$gl_cv_next_sys_time_h
 
-       case $gl_had_POSIXLY_CORRECT in
-         exported) ;;
-         yes) { POSIXLY_CORRECT=; unset POSIXLY_CORRECT;}; POSIXLY_CORRECT=1 ;;
-         *) { POSIXLY_CORRECT=; unset POSIXLY_CORRECT;} ;;
-       esac
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'sys/time.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_sys_time_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H=$gl_next_as_first_directive
 
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_getopt_gnu" >&5
-$as_echo "$gl_cv_func_getopt_gnu" >&6; }
-    if test "$gl_cv_func_getopt_gnu" = "no"; then
-      gl_replace_getopt=yes
-    fi
-  fi
 
 
 
 
+  if test $ac_cv_header_sys_time_h != yes; then
+    HAVE_SYS_TIME_H=0
+  fi
 
-    REPLACE_GETOPT=0
 
 
-  if test -n "$gl_replace_getopt"; then :
 
-      REPLACE_GETOPT=1
+
+  if test $ac_cv_header_sys_socket_h != yes; then
+                    for ac_header in winsock2.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
+if test "x$ac_cv_header_winsock2_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WINSOCK2_H 1
+_ACEOF
 
 fi
 
+done
 
-  if test $REPLACE_GETOPT = 1; then
+  fi
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    HAVE_WINSOCK2_H=1
+    UNISTD_H_HAVE_WINSOCK2_H=1
+    SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+  else
+    HAVE_WINSOCK2_H=0
+  fi
 
-  GETOPT_H=getopt.h
 
-$as_echo "#define __GETOPT_PREFIX rpl_" >>confdefs.h
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct timeval" >&5
+$as_echo_n "checking for struct timeval... " >&6; }
+if test "${gl_cv_sys_struct_timeval+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if HAVE_SYS_TIME_H
+             #include <sys/time.h>
+            #endif
+            #include <time.h>
+            #if HAVE_WINSOCK2_H
+            # include <winsock2.h>
+            #endif
 
+int
+main ()
+{
+static struct timeval x; x.tv_sec = x.tv_usec;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_sys_struct_timeval=yes
+else
+  gl_cv_sys_struct_timeval=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_sys_struct_timeval" >&5
+$as_echo "$gl_cv_sys_struct_timeval" >&6; }
+  if test $gl_cv_sys_struct_timeval != yes; then
+    HAVE_STRUCT_TIMEVAL=0
+  else
+                            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for wide-enough struct timeval.tv_sec member" >&5
+$as_echo_n "checking for wide-enough struct timeval.tv_sec member... " >&6; }
+if test "${gl_cv_sys_struct_timeval_tv_sec+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if HAVE_SYS_TIME_H
+               #include <sys/time.h>
+              #endif
+              #include <time.h>
+              #if HAVE_WINSOCK2_H
+              # include <winsock2.h>
+              #endif
 
-        GNULIB_UNISTD_H_GETOPT=1
-  fi
+int
+main ()
+{
+static struct timeval x;
+              typedef int verify_tv_sec_type[
+                sizeof (time_t) <= sizeof x.tv_sec ? 1 : -1
+              ];
 
-ac_fn_c_check_decl "$LINENO" "getenv" "ac_cv_have_decl_getenv" "$ac_includes_default"
-if test "x$ac_cv_have_decl_getenv" = x""yes; then :
-  ac_have_decl=1
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_sys_struct_timeval_tv_sec=yes
 else
-  ac_have_decl=0
+  gl_cv_sys_struct_timeval_tv_sec=no
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_sys_struct_timeval_tv_sec" >&5
+$as_echo "$gl_cv_sys_struct_timeval_tv_sec" >&6; }
+    if test $gl_cv_sys_struct_timeval_tv_sec != yes; then
+      REPLACE_STRUCT_TIMEVAL=1
+    fi
+  fi
+
+
+
+
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_GETENV $ac_have_decl
-_ACEOF
 
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for unsigned long long int" >&5
@@ -17874,12 +18018,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'stdint.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'stdint.h\)".*|\1|
+               gl_header_literal_regex=`echo 'stdint.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -17927,8 +18074,6 @@ else
 /* end confdefs.h.  */
 
 
-#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
-#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
 #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
 #include <stdint.h>
 /* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>.  */
@@ -18097,8 +18242,6 @@ else
 /* end confdefs.h.  */
 
 
-#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
-#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
 #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
 #include <stdint.h>
 
@@ -18537,6 +18680,7 @@ fi
   HAVE_DECL_IMAXDIV=1;
   HAVE_DECL_STRTOIMAX=1;
   HAVE_DECL_STRTOUMAX=1;
+  REPLACE_STRTOIMAX=0;
   INT32_MAX_LT_INTMAX_MAX=1;
   INT64_MAX_EQ_LONG_MAX='defined _LP64';
   PRI_MACROS_BROKEN=0;
@@ -18585,12 +18729,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'inttypes.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'inttypes.h\)".*|\1|
+               gl_header_literal_regex=`echo 'inttypes.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -18624,11 +18771,51 @@ $as_echo "$gl_cv_next_inttypes_h" >&6; }
 
 
 
-$as_echo "#define GL_TRIGGER_STDC_LIMIT_MACROS 1" >>confdefs.h
 
 
 
+  case "$host_os" in
+    mingw*)
+                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 64-bit off_t" >&5
+$as_echo_n "checking for 64-bit off_t... " >&6; }
+if test "${gl_cv_type_off_t_64+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+                int verify_off_t_size[sizeof (off_t) >= 8 ? 1 : -1];
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_type_off_t_64=yes
+else
+  gl_cv_type_off_t_64=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_off_t_64" >&5
+$as_echo "$gl_cv_type_off_t_64" >&6; }
+      if test $gl_cv_type_off_t_64 = no; then
+        WINDOWS_64_BIT_OFF_T=1
+      else
+        WINDOWS_64_BIT_OFF_T=0
+      fi
+                  WINDOWS_64_BIT_ST_SIZE=1
+      ;;
+    *)
+                                                      WINDOWS_64_BIT_OFF_T=0
+      WINDOWS_64_BIT_ST_SIZE=0
+      ;;
+  esac
 
 
      GNULIB_FCHMODAT=0;
@@ -18673,72 +18860,280 @@ $as_echo_n "checking whether lstat correctly handles trailing slash... " >&6; }
 if test "${gl_cv_func_lstat_dereferences_slashed_symlink+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  rm -f conftest.sym conftest.file
-     echo >conftest.file
-     if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
-       if test "$cross_compiling" = yes; then :
-  # When cross-compiling, be pessimistic so we will end up using the
-          # replacement version of lstat that checks for trailing slashes and
-          # calls lstat a second time when necessary.
-          gl_cv_func_lstat_dereferences_slashed_symlink=no
+  rm -f conftest.sym conftest.file
+     echo >conftest.file
+     if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
+       if test "$cross_compiling" = yes; then :
+  case "$host_os" in
+                    # Guess yes on glibc systems.
+            *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
+                    # If we don't know, assume the worst.
+            *)      gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
+          esac
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+struct stat sbuf;
+              /* Linux will dereference the symlink and fail, as required by
+                 POSIX.  That is better in the sense that it means we will not
+                 have to compile and use the lstat wrapper.  */
+              return lstat ("conftest.sym/", &sbuf) == 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_lstat_dereferences_slashed_symlink=yes
+else
+  gl_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+     else
+       # If the 'ln -s' command failed, then we probably don't even
+       # have an lstat function.
+       gl_cv_func_lstat_dereferences_slashed_symlink="guessing no"
+     fi
+     rm -f conftest.sym conftest.file
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_lstat_dereferences_slashed_symlink" >&5
+$as_echo "$gl_cv_func_lstat_dereferences_slashed_symlink" >&6; }
+  case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+    *yes)
+
+cat >>confdefs.h <<_ACEOF
+#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1
+_ACEOF
+
+      ;;
+  esac
+
+
+  GNULIB_MKTIME=0;
+  GNULIB_NANOSLEEP=0;
+  GNULIB_STRPTIME=0;
+  GNULIB_TIMEGM=0;
+  GNULIB_TIME_R=0;
+    HAVE_DECL_LOCALTIME_R=1;
+  HAVE_NANOSLEEP=1;
+  HAVE_STRPTIME=1;
+  HAVE_TIMEGM=1;
+        REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;
+  REPLACE_MKTIME=GNULIB_PORTCHECK;
+  REPLACE_NANOSLEEP=GNULIB_PORTCHECK;
+  REPLACE_TIMEGM=GNULIB_PORTCHECK;
+
+
+
+
+  GNULIB_PSELECT=0;
+  GNULIB_SELECT=0;
+    HAVE_PSELECT=1;
+  REPLACE_PSELECT=0;
+  REPLACE_SELECT=0;
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/select.h> is self-contained" >&5
+$as_echo_n "checking whether <sys/select.h> is self-contained... " >&6; }
+if test "${gl_cv_header_sys_select_h_selfcontained+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+                                    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+int
+main ()
+{
+struct timeval b;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_header_sys_select_h_selfcontained=yes
+else
+  gl_cv_header_sys_select_h_selfcontained=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+                        if test $gl_cv_header_sys_select_h_selfcontained = yes; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+int
+main ()
+{
+int memset; int bzero;
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+int
+main ()
+{
+
+                  #undef memset
+                  #define memset nonexistent_memset
+                  extern
+                  #ifdef __cplusplus
+                  "C"
+                  #endif
+                  void *memset (void *, int, unsigned long);
+                  #undef bzero
+                  #define bzero nonexistent_bzero
+                  extern
+                  #ifdef __cplusplus
+                  "C"
+                  #endif
+                  void bzero (void *, unsigned long);
+                  fd_set fds;
+                  FD_ZERO (&fds);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+  gl_cv_header_sys_select_h_selfcontained=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_select_h_selfcontained" >&5
+$as_echo "$gl_cv_header_sys_select_h_selfcontained" >&6; }
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_sys_select_h='<'sys/select.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/select.h>" >&5
+$as_echo_n "checking absolute name of <sys/select.h>... " >&6; }
+if test "${gl_cv_next_sys_select_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
 
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+             if test $ac_cv_header_sys_select_h = yes; then
+
+
+               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-struct stat sbuf;
-              /* Linux will dereference the symlink and fail, as required by
-                 POSIX.  That is better in the sense that it means we will not
-                 have to compile and use the lstat wrapper.  */
-              return lstat ("conftest.sym/", &sbuf) == 0;
+#include <sys/select.h>
 
-  ;
-  return 0;
-}
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  gl_cv_func_lstat_dereferences_slashed_symlink=yes
-else
-  gl_cv_func_lstat_dereferences_slashed_symlink=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+                                                                                                                        case "$host_os" in
+                 aix*) gl_absname_cpp="$ac_cpp -C" ;;
+                 *)    gl_absname_cpp="$ac_cpp" ;;
+               esac
+
+               case "$host_os" in
+                 mingw*)
+                                                                                                                                     gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+
+               gl_header_literal_regex=`echo 'sys/select.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+                   s|^/[^/]|//&|
+                   p
+                   q
+                 }'
+                                                            gl_cv_next_sys_select_h='"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+                      sed -n "$gl_absolute_header_sed"`'"'
+          else
+               gl_cv_next_sys_select_h='<'sys/select.h'>'
+             fi
+
+
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_select_h" >&5
+$as_echo "$gl_cv_next_sys_select_h" >&6; }
+     fi
+     NEXT_SYS_SELECT_H=$gl_cv_next_sys_select_h
 
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'sys/select.h'>'
      else
-       # If the 'ln -s' command failed, then we probably don't even
-       # have an lstat function.
-       gl_cv_func_lstat_dereferences_slashed_symlink=no
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_sys_select_h
      fi
-     rm -f conftest.sym conftest.file
+     NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H=$gl_next_as_first_directive
 
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_lstat_dereferences_slashed_symlink" >&5
-$as_echo "$gl_cv_func_lstat_dereferences_slashed_symlink" >&6; }
-  test $gl_cv_func_lstat_dereferences_slashed_symlink = yes &&
 
-cat >>confdefs.h <<_ACEOF
-#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1
+
+
+  if test $ac_cv_header_sys_select_h = yes; then
+    HAVE_SYS_SELECT_H=1
+  else
+    HAVE_SYS_SELECT_H=0
+  fi
+
+
+
+
+
+  if test $ac_cv_header_sys_socket_h != yes; then
+                    for ac_header in winsock2.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
+if test "x$ac_cv_header_winsock2_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WINSOCK2_H 1
 _ACEOF
 
+fi
+
+done
+
+  fi
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    HAVE_WINSOCK2_H=1
+    UNISTD_H_HAVE_WINSOCK2_H=1
+    SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+  else
+    HAVE_WINSOCK2_H=0
+  fi
 
 
-  GNULIB_MKTIME=0;
-  GNULIB_NANOSLEEP=0;
-  GNULIB_STRPTIME=0;
-  GNULIB_TIMEGM=0;
-  GNULIB_TIME_R=0;
-    HAVE_DECL_LOCALTIME_R=1;
-  HAVE_NANOSLEEP=1;
-  HAVE_STRPTIME=1;
-  HAVE_TIMEGM=1;
-        REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;
-  REPLACE_MKTIME=GNULIB_PORTCHECK;
-  REPLACE_NANOSLEEP=GNULIB_PORTCHECK;
-  REPLACE_TIMEGM=GNULIB_PORTCHECK;
 
 
 
@@ -18767,6 +19162,8 @@ _ACEOF
 
 
 
+
+
   ac_fn_c_check_type "$LINENO" "sigset_t" "ac_cv_type_sigset_t" "
       #include <signal.h>
       /* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>.  */
@@ -18790,8 +19187,6 @@ fi
 
 
 
-
-
    if test $ac_cv_header_sys_socket_h = no; then
                          for ac_header in ws2tcpip.h
 do :
@@ -18956,7 +19351,6 @@ $as_echo "#define HAVE_WCHAR_T 1" >>confdefs.h
   GNULIB_GETCHAR=0;
   GNULIB_GETDELIM=0;
   GNULIB_GETLINE=0;
-  GNULIB_GETS=0;
   GNULIB_OBSTACK_PRINTF=0;
   GNULIB_OBSTACK_PRINTF_POSIX=0;
   GNULIB_PCLOSE=0;
@@ -19149,8 +19543,6 @@ fi
 
 
 
-
-
 ac_fn_c_check_decl "$LINENO" "strtoimax" "ac_cv_have_decl_strtoimax" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtoimax" = x""yes; then :
   ac_have_decl=1
@@ -19232,54 +19624,6 @@ _ACEOF
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
-$as_echo_n "checking for C/C++ restrict keyword... " >&6; }
-if test "${ac_cv_c_restrict+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_c_restrict=no
-   # The order here caters to the fact that C++ does not require restrict.
-   for ac_kw in __restrict __restrict__ _Restrict restrict; do
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-typedef int * int_ptr;
-	int foo (int_ptr $ac_kw ip) {
-	return ip[0];
-       }
-int
-main ()
-{
-int s[1];
-	int * $ac_kw t = s;
-	t[0] = 0;
-	return foo(t)
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_restrict=$ac_kw
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-     test "$ac_cv_c_restrict" != no && break
-   done
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_restrict" >&5
-$as_echo "$ac_cv_c_restrict" >&6; }
-
- case $ac_cv_c_restrict in
-   restrict) ;;
-   no) $as_echo "#define restrict /**/" >>confdefs.h
- ;;
-   *)  cat >>confdefs.h <<_ACEOF
-#define restrict $ac_cv_c_restrict
-_ACEOF
- ;;
- esac
-
-
-
 
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct timespec in <time.h>" >&5
@@ -19414,12 +19758,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'time.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'time.h\)".*|\1|
+               gl_header_literal_regex=`echo 'time.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -19448,16 +19795,199 @@ $as_echo "$gl_cv_next_time_h" >&6; }
 
 
 
-ac_fn_c_check_decl "$LINENO" "localtime_r" "ac_cv_have_decl_localtime_r" "$ac_includes_default"
-if test "x$ac_cv_have_decl_localtime_r" = x""yes; then :
-  ac_have_decl=1
+
+
+
+
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the utimes function works" >&5
+$as_echo_n "checking whether the utimes function works... " >&6; }
+if test "${gl_cv_func_working_utimes+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  ac_have_decl=0
+
+  if test "$cross_compiling" = yes; then :
+  gl_cv_func_working_utimes=no
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <utime.h>
+
+static int
+inorder (time_t a, time_t b, time_t c)
+{
+  return a <= b && b <= c;
+}
+
+int
+main ()
+{
+  int result = 0;
+  char const *file = "conftest.utimes";
+  static struct timeval timeval[2] = {{9, 10}, {999999, 999999}};
+
+  /* Test whether utimes() essentially works.  */
+  {
+    struct stat sbuf;
+    FILE *f = fopen (file, "w");
+    if (f == NULL)
+      result |= 1;
+    else if (fclose (f) != 0)
+      result |= 1;
+    else if (utimes (file, timeval) != 0)
+      result |= 2;
+    else if (lstat (file, &sbuf) != 0)
+      result |= 1;
+    else if (!(sbuf.st_atime == timeval[0].tv_sec
+               && sbuf.st_mtime == timeval[1].tv_sec))
+      result |= 4;
+    if (unlink (file) != 0)
+      result |= 1;
+  }
+
+  /* Test whether utimes() with a NULL argument sets the file's timestamp
+     to the current time.  Use 'fstat' as well as 'time' to
+     determine the "current" time, to accommodate NFS file systems
+     if there is a time skew between the host and the NFS server.  */
+  {
+    int fd = open (file, O_WRONLY|O_CREAT, 0644);
+    if (fd < 0)
+      result |= 1;
+    else
+      {
+        time_t t0, t2;
+        struct stat st0, st1, st2;
+        if (time (&t0) == (time_t) -1)
+          result |= 1;
+        else if (fstat (fd, &st0) != 0)
+          result |= 1;
+        else if (utimes (file, timeval) != 0)
+          result |= 2;
+        else if (utimes (file, NULL) != 0)
+          result |= 8;
+        else if (fstat (fd, &st1) != 0)
+          result |= 1;
+        else if (write (fd, "\n", 1) != 1)
+          result |= 1;
+        else if (fstat (fd, &st2) != 0)
+          result |= 1;
+        else if (time (&t2) == (time_t) -1)
+          result |= 1;
+        else
+          {
+            int m_ok_POSIX = inorder (t0, st1.st_mtime, t2);
+            int m_ok_NFS = inorder (st0.st_mtime, st1.st_mtime, st2.st_mtime);
+            if (! (st1.st_atime == st1.st_mtime))
+              result |= 16;
+            if (! (m_ok_POSIX || m_ok_NFS))
+              result |= 32;
+          }
+        if (close (fd) != 0)
+          result |= 1;
+      }
+    if (unlink (file) != 0)
+      result |= 1;
+  }
+
+  /* Test whether utimes() with a NULL argument works on read-only files.  */
+  {
+    int fd = open (file, O_WRONLY|O_CREAT, 0444);
+    if (fd < 0)
+      result |= 1;
+    else if (close (fd) != 0)
+      result |= 1;
+    else if (utimes (file, NULL) != 0)
+      result |= 64;
+    if (unlink (file) != 0)
+      result |= 1;
+  }
+
+  return result;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_working_utimes=yes
+else
+  gl_cv_func_working_utimes=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_working_utimes" >&5
+$as_echo "$gl_cv_func_working_utimes" >&6; }
+
+  if test $gl_cv_func_working_utimes = yes; then
+
+$as_echo "#define HAVE_WORKING_UTIMES 1" >>confdefs.h
+
+  fi
+
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct utimbuf" >&5
+$as_echo_n "checking for struct utimbuf... " >&6; }
+if test "${gl_cv_sys_struct_utimbuf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if HAVE_SYS_TIME_H
+             #include <sys/time.h>
+            #endif
+            #include <time.h>
+            #ifdef HAVE_UTIME_H
+             #include <utime.h>
+            #endif
+
+int
+main ()
+{
+static struct utimbuf x; x.actime = x.modtime;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_sys_struct_utimbuf=yes
+else
+  gl_cv_sys_struct_utimbuf=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_sys_struct_utimbuf" >&5
+$as_echo "$gl_cv_sys_struct_utimbuf" >&6; }
+
+  if test $gl_cv_sys_struct_utimbuf = yes; then
+
+$as_echo "#define HAVE_STRUCT_UTIMBUF 1" >>confdefs.h
+
+  fi
+
+
+
+
+
+
+
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_LOCALTIME_R $ac_have_decl
-_ACEOF
 
 
 
@@ -19543,6 +20073,90 @@ fi
 
 
 
+  # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
+  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
+
+  # Save and restore LIBS so e.g., -lrt, isn't added to it.  Otherwise, *all*
+  # programs in the package would end up linked with that potentially-shared
+  # library, inducing unnecessary run-time overhead.
+  LIB_CLOCK_GETTIME=
+
+  gl_saved_libs=$LIBS
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
+$as_echo_n "checking for library containing clock_gettime... " >&6; }
+if test "${ac_cv_search_clock_gettime+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char clock_gettime ();
+int
+main ()
+{
+return clock_gettime ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' rt posix4; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_clock_gettime=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_clock_gettime+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_clock_gettime+set}" = set; then :
+
+else
+  ac_cv_search_clock_gettime=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
+$as_echo "$ac_cv_search_clock_gettime" >&6; }
+ac_res=$ac_cv_search_clock_gettime
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  test "$ac_cv_search_clock_gettime" = "none required" ||
+                    LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime
+fi
+
+    for ac_func in clock_gettime clock_settime
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+  LIBS=$gl_saved_libs
+
+
+
+
   :
 
 
@@ -19576,17 +20190,17 @@ else
   if test "$cross_compiling" = yes; then :
   case "$host_os" in
            mingw*) # on this platform, dup2 always returns 0 for success
-             gl_cv_func_dup2_works=no;;
+             gl_cv_func_dup2_works="guessing no" ;;
            cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0
-             gl_cv_func_dup2_works=no;;
+             gl_cv_func_dup2_works="guessing no" ;;
            linux*) # On linux between 2008-07-27 and 2009-05-11, dup2 of a
                    # closed fd may yield -EBADF instead of -1 / errno=EBADF.
-             gl_cv_func_dup2_works=no;;
+             gl_cv_func_dup2_works="guessing no" ;;
            freebsd*) # on FreeBSD 6.1, dup2(1,1000000) gives EMFILE, not EBADF.
-             gl_cv_func_dup2_works=no;;
+             gl_cv_func_dup2_works="guessing no" ;;
            haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC.
-             gl_cv_func_dup2_works=no;;
-           *) gl_cv_func_dup2_works=yes;;
+             gl_cv_func_dup2_works="guessing no" ;;
+           *) gl_cv_func_dup2_works="guessing yes" ;;
          esac
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -19635,13 +20249,16 @@ fi
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_dup2_works" >&5
 $as_echo "$gl_cv_func_dup2_works" >&6; }
-    if test "$gl_cv_func_dup2_works" = no; then
-      REPLACE_DUP2=1
-    fi
+    case "$gl_cv_func_dup2_works" in
+      *yes) ;;
+      *)
+        REPLACE_DUP2=1
+        ;;
+    esac
   fi
 
 
-if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
+  if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
 
 
 
@@ -19653,7 +20270,7 @@ if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
   gl_LIBOBJS="$gl_LIBOBJS dup2.$ac_objext"
 
 
-fi
+  fi
 
 
 
@@ -19671,12 +20288,118 @@ fi
 
 
 
+          GNULIB_ENVIRON=1
+
+
+
+
+
+
+
+
+  LIB_EXECINFO=''
+  EXECINFO_H='execinfo.h'
+
+  if test $ac_cv_header_execinfo_h = yes; then
+    gl_saved_libs=$LIBS
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing backtrace_symbols_fd" >&5
+$as_echo_n "checking for library containing backtrace_symbols_fd... " >&6; }
+if test "${ac_cv_search_backtrace_symbols_fd+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char backtrace_symbols_fd ();
+int
+main ()
+{
+return backtrace_symbols_fd ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' execinfo; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_backtrace_symbols_fd=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_backtrace_symbols_fd+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_backtrace_symbols_fd+set}" = set; then :
+
+else
+  ac_cv_search_backtrace_symbols_fd=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_backtrace_symbols_fd" >&5
+$as_echo "$ac_cv_search_backtrace_symbols_fd" >&6; }
+ac_res=$ac_cv_search_backtrace_symbols_fd
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  test "$ac_cv_search_backtrace_symbols_fd" = "none required" ||
+         LIB_EXECINFO=$ac_cv_search_backtrace_symbols_fd
+fi
+
+    LIBS=$gl_saved_libs
+    test "$ac_cv_search_backtrace_symbols_fd" = no || EXECINFO_H=''
+  fi
+
+  if test -n "$EXECINFO_H"; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS execinfo.$ac_objext"
+
+  fi
+
+
+
+   if test -n "$EXECINFO_H"; then
+  GL_GENERATE_EXECINFO_H_TRUE=
+  GL_GENERATE_EXECINFO_H_FALSE='#'
+else
+  GL_GENERATE_EXECINFO_H_TRUE='#'
+  GL_GENERATE_EXECINFO_H_FALSE=
+fi
+
+
+
+
+
+
+
+
+
 # Persuade glibc <stdlib.h> to declare getloadavg().
 
 
 gl_save_LIBS=$LIBS
 
-# getloadvg is present in libc on glibc >= 2.2, MacOS X, FreeBSD >= 2.0,
+# getloadvg is present in libc on glibc >= 2.2, Mac OS X, FreeBSD >= 2.0,
 # NetBSD >= 0.9, OpenBSD >= 2.0, Solaris >= 7.
 HAVE_GETLOADAVG=1
 ac_fn_c_check_func "$LINENO" "getloadavg" "ac_cv_func_getloadavg"
@@ -20064,7 +20787,7 @@ else
 fi
 
 
-if test $HAVE_GETLOADAVG = 0; then
+  if test $HAVE_GETLOADAVG = 0; then
 
 
 
@@ -20078,6 +20801,8 @@ if test $HAVE_GETLOADAVG = 0; then
 
 # Figure out what our getloadavg.c needs.
 
+
+
 # On HPUX9, an unprivileged user can get load averages this way.
 if test $gl_func_getloadavg_done = no; then
   for ac_func in pstat_getdynamic
@@ -20190,7 +20915,7 @@ fi
 
 done
 
-fi
+  fi
 
 
 
@@ -20207,7 +20932,7 @@ fi
 
 
 
-if test $REPLACE_GETOPT = 1; then
+  if test $REPLACE_GETOPT = 1; then
 
 
 
@@ -20231,58 +20956,263 @@ if test $REPLACE_GETOPT = 1; then
 
 
 
-fi
+        GNULIB_GL_UNISTD_H_GETOPT=1
+  fi
+
+
 
 
 
 
 
     REPLACE_GETOPT=0
+    if test -n "$gl_replace_getopt"; then
+      REPLACE_GETOPT=1
+    fi
+
+  if test $REPLACE_GETOPT = 1; then
 
+  GETOPT_H=getopt.h
 
-  if test -n "$gl_replace_getopt"; then :
+$as_echo "#define __GETOPT_PREFIX rpl_" >>confdefs.h
 
-      REPLACE_GETOPT=1
 
+
+  fi
+
+  if test $REPLACE_GETOPT = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS getopt.$ac_objext"
+
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS getopt1.$ac_objext"
+
+
+
+
+        GNULIB_GL_UNISTD_H_GETOPT=1
+  fi
+
+
+
+
+
+
+
+
+
+
+
+
+  gl_gettimeofday_timezone=void
+  if test $ac_cv_func_gettimeofday != yes; then
+    HAVE_GETTIMEOFDAY=0
+  else
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gettimeofday clobbers localtime buffer" >&5
+$as_echo_n "checking whether gettimeofday clobbers localtime buffer... " >&6; }
+if test "${gl_cv_func_gettimeofday_clobber+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  # When cross-compiling:
+      case "$host_os" in
+                # Guess all is fine on glibc systems.
+        *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
+                # If we don't know, assume the worst.
+        *)      gl_cv_func_gettimeofday_clobber="guessing yes" ;;
+      esac
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+          #include <sys/time.h>
+          #include <time.h>
+          #include <stdlib.h>
+
+int
+main ()
+{
+
+          time_t t = 0;
+          struct tm *lt;
+          struct tm saved_lt;
+          struct timeval tv;
+          lt = localtime (&t);
+          saved_lt = *lt;
+          gettimeofday (&tv, NULL);
+          return memcmp (lt, &saved_lt, sizeof (struct tm)) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_gettimeofday_clobber=no
+else
+  gl_cv_func_gettimeofday_clobber=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_gettimeofday_clobber" >&5
+$as_echo "$gl_cv_func_gettimeofday_clobber" >&6; }
+
+ case "$gl_cv_func_gettimeofday_clobber" in
+   *yes)
+     REPLACE_GETTIMEOFDAY=1
+
+
+$as_echo "#define gmtime rpl_gmtime" >>confdefs.h
+
+
+$as_echo "#define localtime rpl_localtime" >>confdefs.h
+
+
+
+$as_echo "#define GETTIMEOFDAY_CLOBBERS_LOCALTIME 1" >>confdefs.h
+
+     ;;
+ esac
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gettimeofday with POSIX signature" >&5
+$as_echo_n "checking for gettimeofday with POSIX signature... " >&6; }
+if test "${gl_cv_func_gettimeofday_posix_signature+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/time.h>
+              struct timeval c;
+              int gettimeofday (struct timeval *restrict, void *restrict);
+
+int
+main ()
+{
+/* glibc uses struct timezone * rather than the POSIX void *
+                 if _GNU_SOURCE is defined.  However, since the only portable
+                 use of gettimeofday uses NULL as the second parameter, and
+                 since the glibc definition is actually more typesafe, it is
+                 not worth wrapping this to get a compliant signature.  */
+              int (*f) (struct timeval *restrict, void *restrict)
+                = gettimeofday;
+              int x = f (&c, 0);
+              return !(x | c.tv_sec | c.tv_usec);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_func_gettimeofday_posix_signature=yes
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/time.h>
+int gettimeofday (struct timeval *restrict, struct timezone *restrict);
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_func_gettimeofday_posix_signature=almost
+else
+  gl_cv_func_gettimeofday_posix_signature=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_gettimeofday_posix_signature" >&5
+$as_echo "$gl_cv_func_gettimeofday_posix_signature" >&6; }
+    if test $gl_cv_func_gettimeofday_posix_signature = almost; then
+      gl_gettimeofday_timezone='struct timezone'
+    elif test $gl_cv_func_gettimeofday_posix_signature != yes; then
+      REPLACE_GETTIMEOFDAY=1
+    fi
+        if test $REPLACE_STRUCT_TIMEVAL = 1; then
+      REPLACE_GETTIMEOFDAY=1
+    fi
+
+  fi
 
+cat >>confdefs.h <<_ACEOF
+#define GETTIMEOFDAY_TIMEZONE $gl_gettimeofday_timezone
+_ACEOF
 
-  if test $REPLACE_GETOPT = 1; then
 
-  GETOPT_H=getopt.h
+  if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then
 
-$as_echo "#define __GETOPT_PREFIX rpl_" >>confdefs.h
 
 
 
-        GNULIB_UNISTD_H_GETOPT=1
-  fi
 
-if test $REPLACE_GETOPT = 1; then
 
 
 
+  gl_LIBOBJS="$gl_LIBOBJS gettimeofday.$ac_objext"
 
 
+  for ac_header in sys/timeb.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/timeb.h" "ac_cv_header_sys_timeb_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_timeb_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_TIMEB_H 1
+_ACEOF
 
+fi
 
+done
 
-  gl_LIBOBJS="$gl_LIBOBJS getopt.$ac_objext"
+  for ac_func in _ftime
+do :
+  ac_fn_c_check_func "$LINENO" "_ftime" "ac_cv_func__ftime"
+if test "x$ac_cv_func__ftime" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE__FTIME 1
+_ACEOF
 
+fi
+done
 
 
+  fi
 
 
 
 
 
+          GNULIB_GETTIMEOFDAY=1
 
-  gl_LIBOBJS="$gl_LIBOBJS getopt1.$ac_objext"
 
 
 
 
-fi
 
 
 
@@ -20290,14 +21220,16 @@ fi
 
   if test $ac_cv_func_lstat = yes; then
 
-    if test $gl_cv_func_lstat_dereferences_slashed_symlink = no; then
-      REPLACE_LSTAT=1
-    fi
+    case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+      *no)
+        REPLACE_LSTAT=1
+        ;;
+    esac
   else
     HAVE_LSTAT=0
   fi
 
-if test $REPLACE_LSTAT = 1; then
+  if test $REPLACE_LSTAT = 1; then
 
 
 
@@ -20312,7 +21244,7 @@ if test $REPLACE_LSTAT = 1; then
 
   :
 
-fi
+  fi
 
 
 
@@ -20331,7 +21263,7 @@ fi
 
 
   if test $APPLE_UNIVERSAL_BUILD = 1; then
-    # A universal build on Apple MacOS X platforms.
+    # A universal build on Apple Mac OS X platforms.
     # The test result would be 'yes' in 32-bit mode and 'no' in 64-bit mode.
     # But we need a configuration result that is valid in both modes.
     gl_cv_func_working_mktime=no
@@ -20513,20 +21445,23 @@ main ()
       if (tz_strings[i])
         putenv (tz_strings[i]);
 
-      for (t = 0; t <= time_t_max - delta; t += delta)
+      for (t = 0; t <= time_t_max - delta && (result & 1) == 0; t += delta)
         if (! mktime_test (t))
           result |= 1;
-      if (! (mktime_test ((time_t) 1)
-             && mktime_test ((time_t) (60 * 60))
-             && mktime_test ((time_t) (60 * 60 * 24))))
+      if ((result & 2) == 0
+          && ! (mktime_test ((time_t) 1)
+                && mktime_test ((time_t) (60 * 60))
+                && mktime_test ((time_t) (60 * 60 * 24))))
         result |= 2;
 
-      for (j = 1; ; j <<= 1)
-        if (! bigtime_test (j))
-          result |= 4;
-        else if (INT_MAX / 2 < j)
-          break;
-      if (! bigtime_test (INT_MAX))
+      for (j = 1; (result & 4) == 0; j <<= 1)
+        {
+          if (! bigtime_test (j))
+            result |= 4;
+          if (INT_MAX / 2 < j)
+            break;
+        }
+      if ((result & 8) == 0 && ! bigtime_test (INT_MAX))
         result |= 8;
     }
   if (! irix_6_4_bug ())
@@ -20558,7 +21493,7 @@ $as_echo "$gl_cv_func_working_mktime" >&6; }
     REPLACE_MKTIME=0
   fi
 
-if test $REPLACE_MKTIME = 1; then
+  if test $REPLACE_MKTIME = 1; then
 
 
 
@@ -20569,16 +21504,81 @@ if test $REPLACE_MKTIME = 1; then
 
   gl_LIBOBJS="$gl_LIBOBJS mktime.$ac_objext"
 
+    :
+  fi
+
+
+
+
+
+          GNULIB_MKTIME=1
+
+
+
+
 
 
 
+
+
+
+
+  if test $ac_cv_func_pselect = yes; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether signature of pselect conforms to POSIX" >&5
+$as_echo_n "checking whether signature of pselect conforms to POSIX... " >&6; }
+if test "${gl_cv_sig_pselect+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+
+int
+main ()
+{
+int (*p) (int, fd_set *, fd_set *, fd_set *restrict,
+                          struct timespec const *restrict,
+                          sigset_t const *restrict) = pselect;
+                return !p;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  gl_cv_sig_pselect=yes
+else
+  gl_cv_sig_pselect=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_sig_pselect" >&5
+$as_echo "$gl_cv_sig_pselect" >&6; }
+  fi
 
+  if test $ac_cv_func_pselect = no || test $gl_cv_sig_pselect = no; then
+    REPLACE_PSELECT=1
+  fi
 
+  if test $HAVE_PSELECT = 0 || test $REPLACE_PSELECT = 1; then
 
 
 
-          GNULIB_MKTIME=1
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS pselect.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_PSELECT=1
+
 
 
 
@@ -20789,7 +21789,7 @@ $as_echo "#define PTHREAD_SIGMASK_UNBLOCK_BUG 1" >>confdefs.h
     esac
   fi
 
-if test $HAVE_PTHREAD_SIGMASK = 0 || test $REPLACE_PTHREAD_SIGMASK = 1; then
+  if test $HAVE_PTHREAD_SIGMASK = 0 || test $REPLACE_PTHREAD_SIGMASK = 1; then
 
 
 
@@ -20807,7 +21807,7 @@ $as_echo "#define HAVE_PTHREAD_SIGMASK 1" >>confdefs.h
 
   fi
 
-fi
+  fi
 
 
 
@@ -20861,7 +21861,13 @@ else
        ln -s conftest.no-such conftest.link
        ln -s conftest.link conftest.lnk2
        if test "$cross_compiling" = yes; then :
-  gl_cv_func_readlink_works="guessing no"
+  case "$host_os" in
+                    # Guess yes on glibc systems.
+            *-gnu*) gl_cv_func_readlink_works="guessing yes" ;;
+                    # If we don't know, assume the worst.
+            *)      gl_cv_func_readlink_works="guessing no" ;;
+          esac
+
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -20889,17 +21895,22 @@ fi
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_readlink_works" >&5
 $as_echo "$gl_cv_func_readlink_works" >&6; }
-    if test "$gl_cv_func_readlink_works" != yes; then
+    case "$gl_cv_func_readlink_works" in
+      *yes)
+        if test "$gl_cv_decl_readlink_works" != yes; then
+          REPLACE_READLINK=1
+        fi
+        ;;
+      *)
 
 $as_echo "#define READLINK_TRAILING_SLASH_BUG 1" >>confdefs.h
 
-      REPLACE_READLINK=1
-    elif test "$gl_cv_decl_readlink_works" != yes; then
-      REPLACE_READLINK=1
-    fi
+        REPLACE_READLINK=1
+        ;;
+    esac
   fi
 
-if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
+  if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
 
 
 
@@ -20913,7 +21924,7 @@ if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
 
   :
 
-fi
+  fi
 
 
 
@@ -20960,12 +21971,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'signal.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'signal.h\)".*|\1|
+               gl_header_literal_regex=`echo 'signal.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -21024,7 +22038,7 @@ fi
 
 
 
-   ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "
+     ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "
 /* <sys/types.h> is not needed according to POSIX, but the
    <sys/socket.h> in i386-unknown-freebsd4.10 and
    powerpc-apple-darwin5.5 required it. */
@@ -21035,92 +22049,296 @@ fi
 # include <ws2tcpip.h>
 #endif
 
-"
-if test "x$ac_cv_type_socklen_t" = x""yes; then :
+"
+if test "x$ac_cv_type_socklen_t" = x""yes; then :
+
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socklen_t equivalent" >&5
+$as_echo_n "checking for socklen_t equivalent... " >&6; }
+      if test "${gl_cv_socklen_t_equiv+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  # Systems have either "struct sockaddr *" or
+         # "void *" as the second argument to getpeername
+         gl_cv_socklen_t_equiv=
+         for arg2 in "struct sockaddr" void; do
+           for t in int size_t "unsigned int" "long int" "unsigned long int"; do
+             cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+                   #include <sys/socket.h>
+
+                   int getpeername (int, $arg2 *, $t *);
+int
+main ()
+{
+$t len;
+                  getpeername (0, 0, &len);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_socklen_t_equiv="$t"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+             test "$gl_cv_socklen_t_equiv" != "" && break
+           done
+           test "$gl_cv_socklen_t_equiv" != "" && break
+         done
+
+fi
+
+      if test "$gl_cv_socklen_t_equiv" = ""; then
+        as_fn_error "Cannot find a type to use in place of socklen_t" "$LINENO" 5
+      fi
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_socklen_t_equiv" >&5
+$as_echo "$gl_cv_socklen_t_equiv" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define socklen_t $gl_cv_socklen_t_equiv
+_ACEOF
+
+fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ssize_t" >&5
+$as_echo_n "checking for ssize_t... " >&6; }
+if test "${gt_cv_ssize_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+int
+main ()
+{
+int x = sizeof (ssize_t *) + sizeof (ssize_t);
+            return !x;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gt_cv_ssize_t=yes
+else
+  gt_cv_ssize_t=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_ssize_t" >&5
+$as_echo "$gt_cv_ssize_t" >&6; }
+  if test $gt_cv_ssize_t = no; then
+
+$as_echo "#define ssize_t int" >>confdefs.h
+
+  fi
+
+
+
+
+
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_atim.tv_nsec" "ac_cv_member_struct_stat_st_atim_tv_nsec" "#include <sys/types.h>
+     #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_atim_tv_nsec" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC 1
+_ACEOF
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct stat.st_atim is of type struct timespec" >&5
+$as_echo_n "checking whether struct stat.st_atim is of type struct timespec... " >&6; }
+if test "${ac_cv_typeof_struct_stat_st_atim_is_struct_timespec+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+            #include <sys/types.h>
+            #include <sys/stat.h>
+            #if HAVE_SYS_TIME_H
+            # include <sys/time.h>
+            #endif
+            #include <time.h>
+            struct timespec ts;
+            struct stat st;
+
+int
+main ()
+{
+
+            st.st_atim = ts;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes
+else
+  ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec" >&5
+$as_echo "$ac_cv_typeof_struct_stat_st_atim_is_struct_timespec" >&6; }
+     if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
+
+$as_echo "#define TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC 1" >>confdefs.h
+
+     fi
+else
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_atimespec.tv_nsec" "ac_cv_member_struct_stat_st_atimespec_tv_nsec" "#include <sys/types.h>
+        #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_atimespec_tv_nsec" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC 1
+_ACEOF
+
+
+else
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_atimensec" "ac_cv_member_struct_stat_st_atimensec" "#include <sys/types.h>
+           #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_atimensec" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_ATIMENSEC 1
+_ACEOF
+
+
+else
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_atim.st__tim.tv_nsec" "ac_cv_member_struct_stat_st_atim_st__tim_tv_nsec" "#include <sys/types.h>
+              #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_atim_st__tim_tv_nsec" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC 1
+_ACEOF
+
+
+fi
+
+fi
+
+fi
+
+fi
+
+
+
+
+
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_birthtimespec.tv_nsec" "ac_cv_member_struct_stat_st_birthtimespec_tv_nsec" "#include <sys/types.h>
+     #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_birthtimespec_tv_nsec" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC 1
+_ACEOF
+
 
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socklen_t equivalent" >&5
-$as_echo_n "checking for socklen_t equivalent... " >&6; }
-      if test "${gl_cv_socklen_t_equiv+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  # Systems have either "struct sockaddr *" or
-         # "void *" as the second argument to getpeername
-         gl_cv_socklen_t_equiv=
-         for arg2 in "struct sockaddr" void; do
-           for t in int size_t "unsigned int" "long int" "unsigned long int"; do
-             cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
-                   #include <sys/socket.h>
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_birthtimensec" "ac_cv_member_struct_stat_st_birthtimensec" "#include <sys/types.h>
+        #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_birthtimensec" = x""yes; then :
 
-                   int getpeername (int, $arg2 *, $t *);
-int
-main ()
-{
-$t len;
-                  getpeername (0, 0, &len);
-  ;
-  return 0;
-}
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC 1
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gl_cv_socklen_t_equiv="$t"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-             test "$gl_cv_socklen_t_equiv" != "" && break
-           done
-           test "$gl_cv_socklen_t_equiv" != "" && break
-         done
 
-fi
 
-      if test "$gl_cv_socklen_t_equiv" = ""; then
-        as_fn_error "Cannot find a type to use in place of socklen_t" "$LINENO" 5
-      fi
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_socklen_t_equiv" >&5
-$as_echo "$gl_cv_socklen_t_equiv" >&6; }
+else
+  ac_fn_c_check_member "$LINENO" "struct stat" "st_birthtim.tv_nsec" "ac_cv_member_struct_stat_st_birthtim_tv_nsec" "#include <sys/types.h>
+          #include <sys/stat.h>
+"
+if test "x$ac_cv_member_struct_stat_st_birthtim_tv_nsec" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
-#define socklen_t $gl_cv_socklen_t_equiv
+#define HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC 1
 _ACEOF
 
+
 fi
 
+fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ssize_t" >&5
-$as_echo_n "checking for ssize_t... " >&6; }
-if test "${gt_cv_ssize_t+set}" = set; then :
+fi
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working stdalign.h" >&5
+$as_echo_n "checking for working stdalign.h... " >&6; }
+if test "${gl_cv_header_working_stdalign_h+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <sys/types.h>
+#include <stdalign.h>
+            #include <stddef.h>
+
+            /* Test that alignof yields a result consistent with offsetof.
+               This catches GCC bug 52023
+               <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.  */
+            #ifdef __cplusplus
+               template <class t> struct alignof_helper { char a; t b; };
+            # define ao(type) offsetof (alignof_helper<type>, b)
+            #else
+            # define ao(type) offsetof (struct { char a; type b; }, b)
+            #endif
+            char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1];
+            char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1];
+            char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1];
+
+            /* Test _Alignas only on platforms where gnulib can help.  */
+            #if \
+                (__GNUC__ || __IBMC__ || __IBMCPP__ \
+                 || 0x5110 <= __SUNPRO_C || 1300 <= _MSC_VER)
+              int alignas (8) alignas_int = 1;
+              char test_alignas[_Alignof (alignas_int) == 8 ? 1 : -1];
+            #endif
+
 int
 main ()
 {
-int x = sizeof (ssize_t *) + sizeof (ssize_t);
-            return !x;
+
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  gt_cv_ssize_t=yes
+  gl_cv_header_working_stdalign_h=yes
 else
-  gt_cv_ssize_t=no
+  gl_cv_header_working_stdalign_h=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_ssize_t" >&5
-$as_echo "$gt_cv_ssize_t" >&6; }
-  if test $gt_cv_ssize_t = no; then
-
-$as_echo "#define ssize_t int" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_working_stdalign_h" >&5
+$as_echo "$gl_cv_header_working_stdalign_h" >&6; }
 
+  if test $gl_cv_header_working_stdalign_h = yes; then
+    STDALIGN_H=''
+  else
+    STDALIGN_H='stdalign.h'
   fi
 
 
+   if test -n "$STDALIGN_H"; then
+  GL_GENERATE_STDALIGN_H_TRUE=
+  GL_GENERATE_STDALIGN_H_FALSE='#'
+else
+  GL_GENERATE_STDALIGN_H_TRUE='#'
+  GL_GENERATE_STDALIGN_H_FALSE=
+fi
+
+
+
   STDARG_H=''
   NEXT_STDARG_H='<stdarg.h>'
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for va_copy" >&5
@@ -21204,12 +22422,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'stdarg.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'stdarg.h\)".*|\1|
+               gl_header_literal_regex=`echo 'stdarg.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -21404,12 +22625,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'stddef.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'stddef.h\)".*|\1|
+               gl_header_literal_regex=`echo 'stddef.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -21474,12 +22698,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'stdio.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'stdio.h\)".*|\1|
+               gl_header_literal_regex=`echo 'stdio.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -21508,12 +22735,25 @@ $as_echo "$gl_cv_next_stdio_h" >&6; }
 
 
       GNULIB_FSCANF=1
+
+
+cat >>confdefs.h <<_ACEOF
+#define GNULIB_FSCANF 1
+_ACEOF
+
+
   GNULIB_SCANF=1
+
+
+cat >>confdefs.h <<_ACEOF
+#define GNULIB_SCANF 1
+_ACEOF
+
+
   GNULIB_FGETC=1
   GNULIB_GETC=1
   GNULIB_GETCHAR=1
   GNULIB_FGETS=1
-  GNULIB_GETS=1
   GNULIB_FREAD=1
 
 
@@ -21566,12 +22806,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'stdlib.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'stdlib.h\)".*|\1|
+               gl_header_literal_regex=`echo 'stdlib.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -21624,7 +22867,83 @@ $as_echo "#define my_strftime nstrftime" >>confdefs.h
     HAVE_DECL_STRTOIMAX=0
   fi
 
-if test $ac_cv_func_strtoimax = no; then
+  if test $ac_cv_func_strtoimax = yes; then
+    HAVE_STRTOIMAX=1
+             { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether strtoimax works" >&5
+$as_echo_n "checking whether strtoimax works... " >&6; }
+if test "${gl_cv_func_strtoimax+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  case "$host_os" in
+                   # Guess no on AIX 5.
+            aix5*) gl_cv_func_strtoimax="guessing no" ;;
+                   # Guess yes otherwise.
+            *)     gl_cv_func_strtoimax="guessing yes" ;;
+          esac
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <errno.h>
+#include <string.h>
+#include <inttypes.h>
+int main ()
+{
+  if (sizeof (intmax_t) > sizeof (int))
+    {
+      const char *s = "4294967295";
+      char *p;
+      intmax_t res;
+      errno = 0;
+      res = strtoimax (s, &p, 10);
+      if (p != s + strlen (s))
+        return 1;
+      if (errno != 0)
+        return 2;
+      if (res != (intmax_t) 65535 * (intmax_t) 65537)
+        return 3;
+    }
+  else
+    {
+      const char *s = "2147483647";
+      char *p;
+      intmax_t res;
+      errno = 0;
+      res = strtoimax (s, &p, 10);
+      if (p != s + strlen (s))
+        return 1;
+      if (errno != 0)
+        return 2;
+      if (res != 2147483647)
+        return 3;
+    }
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_strtoimax=yes
+else
+  gl_cv_func_strtoimax=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_strtoimax" >&5
+$as_echo "$gl_cv_func_strtoimax" >&6; }
+    case "$gl_cv_func_strtoimax" in
+      *no) REPLACE_STRTOIMAX=1 ;;
+    esac
+  else
+    HAVE_STRTOIMAX=0
+  fi
+
+  if test $HAVE_STRTOIMAX = 0 || test $REPLACE_STRTOIMAX = 1; then
 
 
 
@@ -21649,7 +22968,7 @@ _ACEOF
 
 
 
-fi
+  fi
 
 
 
@@ -21669,112 +22988,316 @@ fi
     HAVE_DECL_STRTOUMAX=0
   fi
 
-if test $ac_cv_func_strtoumax = no; then
+  if test $ac_cv_func_strtoumax = no; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS strtoumax.$ac_objext"
+
+
+  ac_fn_c_check_decl "$LINENO" "strtoull" "ac_cv_have_decl_strtoull" "$ac_includes_default"
+if test "x$ac_cv_have_decl_strtoull" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_STRTOULL $ac_have_decl
+_ACEOF
+
+
+
+  fi
+
+
+
+
+
+          GNULIB_STRTOUMAX=1
+
+
+
+
+
+
+
+        if test $ac_cv_func_symlink = no; then
+    HAVE_SYMLINK=0
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symlink handles trailing slash correctly" >&5
+$as_echo_n "checking whether symlink handles trailing slash correctly... " >&6; }
+if test "${gl_cv_func_symlink_works+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  case "$host_os" in
+                    # Guess yes on glibc systems.
+            *-gnu*) gl_cv_func_symlink_works="guessing yes" ;;
+                    # If we don't know, assume the worst.
+            *)      gl_cv_func_symlink_works="guessing no" ;;
+          esac
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <unistd.h>
+
+int
+main ()
+{
+int result = 0;
+             if (!symlink ("a", "conftest.link/"))
+               result |= 1;
+             if (symlink ("conftest.f", "conftest.lnk2"))
+               result |= 2;
+             else if (!symlink ("a", "conftest.lnk2/"))
+               result |= 4;
+             return result;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_symlink_works=yes
+else
+  gl_cv_func_symlink_works=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+      rm -f conftest.f conftest.link conftest.lnk2
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_symlink_works" >&5
+$as_echo "$gl_cv_func_symlink_works" >&6; }
+    case "$gl_cv_func_symlink_works" in
+      *yes) ;;
+      *)
+        REPLACE_SYMLINK=1
+        ;;
+    esac
+  fi
+
+  if test $HAVE_SYMLINK = 0 || test $REPLACE_SYMLINK = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS symlink.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_SYMLINK=1
+
+
 
 
 
 
 
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/select.h> is self-contained" >&5
+$as_echo_n "checking whether <sys/select.h> is self-contained... " >&6; }
+if test "${gl_cv_header_sys_select_h_selfcontained+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+                                    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+int
+main ()
+{
+struct timeval b;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_header_sys_select_h_selfcontained=yes
+else
+  gl_cv_header_sys_select_h_selfcontained=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+                        if test $gl_cv_header_sys_select_h_selfcontained = yes; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+int
+main ()
+{
+int memset; int bzero;
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/select.h>
+int
+main ()
+{
 
+                  #undef memset
+                  #define memset nonexistent_memset
+                  extern
+                  #ifdef __cplusplus
+                  "C"
+                  #endif
+                  void *memset (void *, int, unsigned long);
+                  #undef bzero
+                  #define bzero nonexistent_bzero
+                  extern
+                  #ifdef __cplusplus
+                  "C"
+                  #endif
+                  void bzero (void *, unsigned long);
+                  fd_set fds;
+                  FD_ZERO (&fds);
 
-  gl_LIBOBJS="$gl_LIBOBJS strtoumax.$ac_objext"
+  ;
+  return 0;
+}
 
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
 
-  ac_fn_c_check_decl "$LINENO" "strtoull" "ac_cv_have_decl_strtoull" "$ac_includes_default"
-if test "x$ac_cv_have_decl_strtoull" = x""yes; then :
-  ac_have_decl=1
 else
-  ac_have_decl=0
+  gl_cv_header_sys_select_h_selfcontained=no
 fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_STRTOULL $ac_have_decl
-_ACEOF
-
-
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+      fi
 
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_select_h_selfcontained" >&5
+$as_echo "$gl_cv_header_sys_select_h_selfcontained" >&6; }
 
 
 
 
 
-          GNULIB_STRTOUMAX=1
 
 
 
 
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_sys_select_h='<'sys/select.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/select.h>" >&5
+$as_echo_n "checking absolute name of <sys/select.h>... " >&6; }
+if test "${gl_cv_next_sys_select_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
 
+             if test $ac_cv_header_sys_select_h = yes; then
 
 
-        if test $ac_cv_func_symlink = no; then
-    HAVE_SYMLINK=0
-  else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symlink handles trailing slash correctly" >&5
-$as_echo_n "checking whether symlink handles trailing slash correctly... " >&6; }
-if test "${gl_cv_func_symlink_works+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then :
-  gl_cv_func_symlink_works="guessing no"
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <unistd.h>
-
-int
-main ()
-{
-int result = 0;
-             if (!symlink ("a", "conftest.link/"))
-               result |= 1;
-             if (symlink ("conftest.f", "conftest.lnk2"))
-               result |= 2;
-             else if (!symlink ("a", "conftest.lnk2/"))
-               result |= 4;
-             return result;
+#include <sys/select.h>
 
-  ;
-  return 0;
-}
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  gl_cv_func_symlink_works=yes
-else
-  gl_cv_func_symlink_works=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
+                                                                                                                        case "$host_os" in
+                 aix*) gl_absname_cpp="$ac_cpp -C" ;;
+                 *)    gl_absname_cpp="$ac_cpp" ;;
+               esac
 
-      rm -f conftest.f conftest.link conftest.lnk2
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_symlink_works" >&5
-$as_echo "$gl_cv_func_symlink_works" >&6; }
-    if test "$gl_cv_func_symlink_works" != yes; then
-      REPLACE_SYMLINK=1
-    fi
-  fi
+               case "$host_os" in
+                 mingw*)
+                                                                                                                                     gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+
+               gl_header_literal_regex=`echo 'sys/select.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+                   s|^/[^/]|//&|
+                   p
+                   q
+                 }'
+                                                            gl_cv_next_sys_select_h='"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+                      sed -n "$gl_absolute_header_sed"`'"'
+          else
+               gl_cv_next_sys_select_h='<'sys/select.h'>'
+             fi
 
-if test $HAVE_SYMLINK = 0 || test $REPLACE_SYMLINK = 1; then
 
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_select_h" >&5
+$as_echo "$gl_cv_next_sys_select_h" >&6; }
+     fi
+     NEXT_SYS_SELECT_H=$gl_cv_next_sys_select_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'sys/select.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_sys_select_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H=$gl_next_as_first_directive
 
 
 
 
+  if test $ac_cv_header_sys_select_h = yes; then
+    HAVE_SYS_SELECT_H=1
+  else
+    HAVE_SYS_SELECT_H=0
+  fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS symlink.$ac_objext"
 
-fi
 
+  if test $ac_cv_header_sys_socket_h != yes; then
+                    for ac_header in winsock2.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
+if test "x$ac_cv_header_winsock2_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WINSOCK2_H 1
+_ACEOF
 
+fi
 
+done
 
+  fi
+  if test "$ac_cv_header_winsock2_h" = yes; then
+    HAVE_WINSOCK2_H=1
+    UNISTD_H_HAVE_WINSOCK2_H=1
+    SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+  else
+    HAVE_WINSOCK2_H=0
+  fi
 
-          GNULIB_SYMLINK=1
 
 
 
@@ -21823,12 +23346,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'sys/stat.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'sys/stat.h\)".*|\1|
+               gl_header_literal_regex=`echo 'sys/stat.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -21861,6 +23387,16 @@ $as_echo "$gl_cv_next_sys_stat_h" >&6; }
 
 
 
+
+
+
+
+  if test $WINDOWS_64_BIT_ST_SIZE = 1; then
+
+$as_echo "#define _GL_WINDOWS_64_BIT_ST_SIZE 1" >>confdefs.h
+
+  fi
+
       ac_fn_c_check_type "$LINENO" "nlink_t" "ac_cv_type_nlink_t" "#include <sys/types.h>
      #include <sys/stat.h>
 "
@@ -21886,6 +23422,21 @@ fi
 
 
 
+
+
+
+      ac_fn_c_check_decl "$LINENO" "localtime_r" "ac_cv_have_decl_localtime_r" "#include <time.h>
+"
+if test "x$ac_cv_have_decl_localtime_r" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LOCALTIME_R $ac_have_decl
+_ACEOF
+
   if test $ac_cv_have_decl_localtime_r = no; then
     HAVE_DECL_LOCALTIME_R=0
   fi
@@ -21936,7 +23487,7 @@ $as_echo "$gl_cv_time_r_posix" >&6; }
     HAVE_LOCALTIME_R=0
   fi
 
-if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
+  if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
 
 
 
@@ -21950,7 +23501,7 @@ if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
 
   :
 
-fi
+  fi
 
 
 
@@ -21962,7 +23513,7 @@ fi
 
 
 
-
+  :
 
 
 
@@ -22003,12 +23554,15 @@ _ACEOF
                                                                                                                                      gl_dirsep_regex='[/\\]'
                    ;;
                  *)
-                   gl_dirsep_regex='/'
+                   gl_dirsep_regex='\/'
                    ;;
                esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
 
-               gl_absolute_header_sed='\|'"${gl_dirsep_regex}"'unistd.h|{
-                   s|.*"\(.*'"${gl_dirsep_regex}"'unistd.h\)".*|\1|
+               gl_header_literal_regex=`echo 'unistd.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
                    s|^/[^/]|//&|
                    p
                    q
@@ -22050,10 +23604,73 @@ $as_echo "$gl_cv_next_unistd_h" >&6; }
 
 
 
+
+
+
+
+
+
+
+  if test $ac_cv_func_futimens = no && test $ac_cv_func_futimesat = yes; then
+                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether futimesat handles NULL file" >&5
+$as_echo_n "checking whether futimesat handles NULL file... " >&6; }
+if test "${gl_cv_func_futimesat_works+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  touch conftest.file
+       if test "$cross_compiling" = yes; then :
+  case "$host_os" in
+                   # Guess yes on glibc systems.
+           *-gnu*) gl_cv_func_futimesat_works="guessing yes" ;;
+                   # If we don't know, assume the worst.
+           *)      gl_cv_func_futimesat_works="guessing no" ;;
+         esac
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <stddef.h>
+#include <sys/times.h>
+#include <fcntl.h>
+
+int
+main ()
+{
+    int fd = open ("conftest.file", O_RDWR);
+          if (fd < 0) return 1;
+          if (futimesat (fd, NULL, NULL)) return 2;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_futimesat_works=yes
+else
+  gl_cv_func_futimesat_works=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+      rm -f conftest.file
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_futimesat_works" >&5
+$as_echo "$gl_cv_func_futimesat_works" >&6; }
+    case "$gl_cv_func_futimesat_works" in
+      *yes) ;;
+      *)
+
+$as_echo "#define FUTIMESAT_NULL_BUG 1" >>confdefs.h
+
+        ;;
+    esac
+  fi
+
   gl_gnulib_enabled_dosname=false
   gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36=false
   gl_gnulib_enabled_pathmax=false
-  gl_gnulib_enabled_sigprocmask=false
   gl_gnulib_enabled_stat=false
   gl_gnulib_enabled_strtoll=false
   gl_gnulib_enabled_strtoull=false
@@ -22081,52 +23698,6 @@ $as_echo "$gl_cv_next_unistd_h" >&6; }
       gl_gnulib_enabled_pathmax=true
     fi
   }
-  func_gl_gnulib_m4code_sigprocmask ()
-  {
-    if ! $gl_gnulib_enabled_sigprocmask; then
-
-
-
-  if test $gl_cv_type_sigset_t = yes; then
-    ac_fn_c_check_func "$LINENO" "sigprocmask" "ac_cv_func_sigprocmask"
-if test "x$ac_cv_func_sigprocmask" = x""yes; then :
-  gl_cv_func_sigprocmask=1
-fi
-
-  fi
-  if test -z "$gl_cv_func_sigprocmask"; then
-    HAVE_POSIX_SIGNALBLOCKING=0
-  fi
-
-if test $HAVE_POSIX_SIGNALBLOCKING = 0; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS sigprocmask.$ac_objext"
-
-
-
-
-fi
-
-
-
-
-
-          GNULIB_SIGPROCMASK=1
-
-
-
-
-
-      gl_gnulib_enabled_sigprocmask=true
-    fi
-  }
   func_gl_gnulib_m4code_stat ()
   {
     if ! $gl_gnulib_enabled_stat; then
@@ -22168,7 +23739,7 @@ fi
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_stat_dir_slash" >&5
 $as_echo "$gl_cv_func_stat_dir_slash" >&6; }
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stat handles trailing slashes on files" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stat handles trailing slashes on files" >&5
 $as_echo_n "checking whether stat handles trailing slashes on files... " >&6; }
 if test "${gl_cv_func_stat_file_slash+set}" = set; then :
   $as_echo_n "(cached) " >&6
@@ -22179,7 +23750,13 @@ else
          ln -s conftest.tmp conftest.lnk
        fi
        if test "$cross_compiling" = yes; then :
-  gl_cv_func_stat_file_slash="guessing no"
+  case "$host_os" in
+                    # Guess yes on glibc systems.
+            *-gnu*) gl_cv_func_stat_file_slash="guessing yes" ;;
+                    # If we don't know, assume the worst.
+            *)      gl_cv_func_stat_file_slash="guessing no" ;;
+          esac
+
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -22228,7 +23805,7 @@ $as_echo "#define REPLACE_FUNC_STAT_FILE 1" >>confdefs.h
 ;;
   esac
 
-if test $REPLACE_STAT = 1; then
+      if test $REPLACE_STAT = 1; then
 
 
 
@@ -22243,7 +23820,7 @@ if test $REPLACE_STAT = 1; then
 
   :
 
-fi
+      fi
 
 
 
@@ -22290,7 +23867,7 @@ done
     fi
   fi
 
-if test $HAVE_STRTOLL = 0; then
+      if test $HAVE_STRTOLL = 0; then
 
 
 
@@ -22304,7 +23881,7 @@ if test $HAVE_STRTOLL = 0; then
 
   :
 
-fi
+      fi
 
 
 
@@ -22342,7 +23919,7 @@ done
     fi
   fi
 
-if test $HAVE_STRTOULL = 0; then
+      if test $HAVE_STRTOULL = 0; then
 
 
 
@@ -22356,7 +23933,7 @@ if test $HAVE_STRTOULL = 0; then
 
   :
 
-fi
+      fi
 
 
 
@@ -22386,24 +23963,21 @@ fi
   if test $REPLACE_LSTAT = 1; then
     func_gl_gnulib_m4code_stat
   fi
-  if test $HAVE_PTHREAD_SIGMASK = 0 || test $REPLACE_PTHREAD_SIGMASK = 1; then
-    func_gl_gnulib_m4code_sigprocmask
-  fi
   if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
     func_gl_gnulib_m4code_stat
   fi
-  if test $ac_cv_func_strtoimax = no; then
-    func_gl_gnulib_m4code_verify
-  fi
-  if test $ac_cv_func_strtoimax = no && test $ac_cv_type_long_long_int = yes; then
+  if { test $HAVE_STRTOIMAX = 0 || test $REPLACE_STRTOIMAX = 1; } && test $ac_cv_type_long_long_int = yes; then
     func_gl_gnulib_m4code_strtoll
   fi
-  if test $ac_cv_func_strtoumax = no; then
+  if test $HAVE_STRTOIMAX = 0 || test $REPLACE_STRTOIMAX = 1; then
     func_gl_gnulib_m4code_verify
   fi
   if test $ac_cv_func_strtoumax = no && test $ac_cv_type_unsigned_long_long_int = yes; then
     func_gl_gnulib_m4code_strtoull
   fi
+  if test $ac_cv_func_strtoumax = no; then
+    func_gl_gnulib_m4code_verify
+  fi
 
    if $gl_gnulib_enabled_dosname; then
   gl_GNULIB_ENABLED_dosname_TRUE=
@@ -22429,14 +24003,6 @@ else
   gl_GNULIB_ENABLED_pathmax_FALSE=
 fi
 
-   if $gl_gnulib_enabled_sigprocmask; then
-  gl_GNULIB_ENABLED_sigprocmask_TRUE=
-  gl_GNULIB_ENABLED_sigprocmask_FALSE='#'
-else
-  gl_GNULIB_ENABLED_sigprocmask_TRUE='#'
-  gl_GNULIB_ENABLED_sigprocmask_FALSE=
-fi
-
    if $gl_gnulib_enabled_stat; then
   gl_GNULIB_ENABLED_stat_TRUE=
   gl_GNULIB_ENABLED_stat_FALSE='#'
@@ -22509,6 +24075,8 @@ fi
   LIBGNU_LTLIBDEPS="$gl_ltlibdeps"
 
 
+CFLAGS=$SAVE_CFLAGS
+LIBS=$SAVE_LIBS
 
 case "$opsys" in
   aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
@@ -22532,8 +24100,7 @@ case "$opsys" in
    ##   #ifndef LD_SWITCH_SYSTEM
    ##   #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
    ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
-   ## not using gcc, darwin system not on an alpha (ie darwin, since
-   ## darwin + alpha does not occur).
+   ## not using gcc, darwin.
    ## Because this was done in src/Makefile.in, the resulting part of
    ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
    ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
@@ -22573,12 +24140,12 @@ case "$opsys" in
   ## will also work on earlier NetBSD releases.
   netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
 
-  ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
+  ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
   ##   MkLinux/LinuxPPC needs this.
-  ## ibms390x only supports opsys = gnu-linux so it can be added here.
+  ## s390x-* only supports opsys = gnu-linux so it can be added here.
   gnu-*)
-    case "$machine" in
-      macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
+    case "$canonical" in
+      powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
     esac
     ;;
 esac
@@ -22592,7 +24159,7 @@ $as_echo "#define ORDINARY_LINK 1" >>confdefs.h
 
 
 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
-## freebsd, gnu-* not on macppc|ibms390x.
+## freebsd, gnu-* not on powerpc*|s390x*.
 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
 
   ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
@@ -22643,39 +24210,37 @@ if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
   esac
 fi
 
-
-## If we're using X11/GNUstep, define some consequences.
-if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
+## Common for all window systems
+if test "$window_system" != "none"; then
 
 $as_echo "#define HAVE_WINDOW_SYSTEM 1" >>confdefs.h
 
 
 $as_echo "#define HAVE_MOUSE 1" >>confdefs.h
 
+  WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
 fi
 
 
 
 
+
 #### Report on what we decided to do.
 #### Report GTK as a toolkit, even if it doesn't use Xt.
 #### It makes printing result more understandable as using GTK sets
 #### toolkit_scroll_bars to yes by default.
 if test "${HAVE_GTK}" = "yes"; then
-  USE_X_TOOLKIT=GTK
-fi
-
-and_machfile=
-if test -n "$machfile"; then
-  and_machfile=" and \`${machfile}'"
+  if test "${with_gtk3}" = "yes"; then
+    USE_X_TOOLKIT=GTK3
+  else
+    USE_X_TOOLKIT=GTK
+  fi
 fi
 
 echo "
 Configured for \`${canonical}'.
 
   Where should the build process find the source code?    ${srcdir}
-  What operating system and machine description files should Emacs use?
-        \`${opsysfile}'${and_machfile}
   What compiler should emacs be built with?               ${CC} ${CFLAGS}
   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
@@ -22726,11 +24291,6 @@ if test -n "${EMACSDOC}"; then
    echo "  Environment variable EMACSDOC set to:                   $EMACSDOC"
 fi
 
-if test $USE_XASSERTS = yes; then
-   echo "  Compiling with asserts turned on."
-   CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
-fi
-
 echo
 
 if test "$HAVE_NS" = "yes"; then
@@ -22912,7 +24472,6 @@ if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
   as_fn_error "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-
 if test -z "${GL_COND_LIBTOOL_TRUE}" && test -z "${GL_COND_LIBTOOL_FALSE}"; then
   as_fn_error "conditional \"GL_COND_LIBTOOL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -22922,10 +24481,18 @@ if test -z "${GL_GENERATE_ALLOCA_H_TRUE}" && test -z "${GL_GENERATE_ALLOCA_H_FAL
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 
+if test -z "${GL_GENERATE_EXECINFO_H_TRUE}" && test -z "${GL_GENERATE_EXECINFO_H_FALSE}"; then
+  as_fn_error "conditional \"GL_GENERATE_EXECINFO_H\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${GL_GENERATE_STDINT_H_TRUE}" && test -z "${GL_GENERATE_STDINT_H_FALSE}"; then
   as_fn_error "conditional \"GL_GENERATE_STDINT_H\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${GL_GENERATE_STDALIGN_H_TRUE}" && test -z "${GL_GENERATE_STDALIGN_H_FALSE}"; then
+  as_fn_error "conditional \"GL_GENERATE_STDALIGN_H\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${GL_GENERATE_STDARG_H_TRUE}" && test -z "${GL_GENERATE_STDARG_H_FALSE}"; then
   as_fn_error "conditional \"GL_GENERATE_STDARG_H\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -22950,10 +24517,6 @@ if test -z "${gl_GNULIB_ENABLED_pathmax_TRUE}" && test -z "${gl_GNULIB_ENABLED_p
   as_fn_error "conditional \"gl_GNULIB_ENABLED_pathmax\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${gl_GNULIB_ENABLED_sigprocmask_TRUE}" && test -z "${gl_GNULIB_ENABLED_sigprocmask_FALSE}"; then
-  as_fn_error "conditional \"gl_GNULIB_ENABLED_sigprocmask\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${gl_GNULIB_ENABLED_stat_TRUE}" && test -z "${gl_GNULIB_ENABLED_stat_FALSE}"; then
   as_fn_error "conditional \"gl_GNULIB_ENABLED_stat\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -23410,7 +24973,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by emacs $as_me 24.1.50, which was
+This file was extended by emacs $as_me 24.2.50, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -23476,7 +25039,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-emacs config.status 24.1.50
+emacs config.status 24.2.50
 configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"
 
@@ -24344,7 +25907,7 @@ done
  ;;
     "epaths":C)
 echo creating src/epaths.h
-${MAKE-make} epaths-force
+${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
  ;;
     "gdbinit":C)
 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
@@ -24390,4 +25953,3 @@ if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
-