dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
AC_PREREQ(2.65)
-AC_INIT(emacs, 24.3.91)
-
-dnl We get MINGW64 with MSYS2
-if test "x$MSYSTEM" = "xMINGW32" -o "x$MSYSTEM" = "xMINGW64"
-then
- . $srcdir/nt/mingw-cfg.site
-
- case $srcdir in
- /* | ?:*)
- # srcdir is an absolute path. In this case, force the format
- # "/c/foo/bar", to simplify later conversions to native Windows
- # format ("c:/foo/bar")
- srcdir=`cd "${srcdir}" && pwd -W`
- srcdir="/${srcdir:0:1}${srcdir:2}"
- ;;
- esac
-fi
+dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
+AC_INIT(GNU Emacs, 24.4.50, bug-gnu-emacs@gnu.org)
dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
dnl and then quoted again for a C string. Separate options with spaces.
AC_CONFIG_HEADERS(src/config.h:src/config.in)
AC_CONFIG_SRCDIR(src/lisp.h)
AC_CONFIG_AUX_DIR(build-aux)
+dnl automake 1.13 and later understand this, making -I m4 unnecessary.
+dnl With older versions this is a no-op.
+AC_CONFIG_MACRO_DIR(m4)
xcsdkdir=
AC_CHECK_PROGS(XCRUN, [xcrun])
if test -n "$XCRUN"; then
if test -z "$MAKE"; then
dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
- dnl SET_MAKE and with the usual MAKE variable that 'make' itself uses.
+ dnl the usual MAKE variable that 'make' itself uses.
AC_CHECK_PROG([MAKE_PROG], [make], [yes])
if test -z "$MAKE_PROG"; then
MAKE="$XCRUN MAKE"
fi
fi
+dnl GNU Make is required, so don't test for its individual features.
+am_cv_make_support_nested_variables=yes
+AC_DEFUN([AC_PROG_MAKE_SET],
+ [SET_MAKE=
+ AC_SUBST([SET_MAKE])])
+
+dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
+[emacs_check_gnu_make ()
+{
+ emacs_makeout=`($1 --version) 2>/dev/null` &&
+ case $emacs_makeout in
+ 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
+ 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
+ ac_path_MAKE_found=:;;
+ esac
+}]
+AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
+ [ac_path_MAKE_found=false
+ if test -n "$MAKE"; then
+ emacs_check_gnu_make "$MAKE"
+ ac_cv_path_MAKE=$MAKE
+ else
+ emacs_tried_make=false
+ emacs_tried_gmake=false
+ emacs_tried_gnumake=false
+ AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
+ [[emacs_check_gnu_make "$ac_path_MAKE"
+ if $ac_path_MAKE_found; then
+ # Use the fully-qualified program name only if the basename
+ # would not resolve to it.
+ if eval \$emacs_tried_$ac_prog; then
+ ac_cv_path_MAKE=$ac_path_MAKE
+ else
+ ac_cv_path_MAKE=$ac_prog
+ fi
+ fi
+ eval emacs_tried_$ac_prog=:]])
+ fi])
+$ac_path_MAKE_found || {
+AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
+If you have it installed under another name, configure with 'MAKE=...'.
+For example, run '$0 MAKE=gnu-make'.]])
+}
+MAKE=$ac_cv_path_MAKE
+
dnl Fairly arbitrary, older versions might work too.
AM_INIT_AUTOMAKE(1.11)
+dnl Canonicalize the configuration name.
+AC_CANONICAL_HOST
+canonical=$host
+configuration=${host_alias-${build_alias-$host}}
+
+dnl We get MINGW64 with MSYS2.
+case $canonical in
+ *-mingw*)
+ . $srcdir/nt/mingw-cfg.site
+
+ case $srcdir in
+ /* | ?:*)
+ # srcdir is an absolute path. In this case, force the format
+ # "/c/foo/bar", to simplify later conversions to native Windows
+ # format ("c:/foo/bar").
+ srcdir=`cd "${srcdir}" && pwd -W`
+ srcdir="/${srcdir:0:1}${srcdir:2}"
+ ;;
+ esac;;
+esac
+
dnl Support for --program-prefix, --program-suffix and
dnl --program-transform-name options
AC_ARG_PROGRAM
dnl _ON results in a '--without' option in the --help output, so
dnl the help text should refer to "don't compile", etc.
+with_xpm_set=${with_xpm+set}
OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
+## This might be a 'configure' arg.
+AC_SUBST([ACLOCAL_PATH])
+
## Makefile.in needs the cache file name.
AC_SUBST(cache_file)
[don't compress some files (.el, .info, etc.) when installing. Equivalent to:
make GZIP_PROG= install])
-AC_ARG_WITH([pkg-config-prog],dnl
-[AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
- [file name of pkg-config for finding GTK and librsvg])])
-if test "X${with_pkg_config_prog}" != X; then
- if test "${with_pkg_config_prog}" != yes; then
- PKG_CONFIG="${with_pkg_config_prog}"
- fi
-fi
-
AC_ARG_WITH(gameuser,dnl
[AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
AC_ARG_ENABLE(autodepend,
[AS_HELP_STRING([--enable-autodepend],
[automatically generate dependencies to .h-files.
- Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
- found])],
+ Requires gcc, enabled if found.])],
[ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
AC_ARG_ENABLE(gtk-deprecation-warnings,
[Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
[ac_enable_gtk_deprecation_warnings="${enableval}"],[])
-### Canonicalize the configuration name.
-
-AC_CANONICAL_HOST
-canonical=$host
-configuration=${host_alias-${build_alias-$host}}
-
dnl This used to use changequote, but, apart from `changequote is evil'
dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
dnl the great gob of text. Thus it's not processed for possible expansion.
opsys=sol2-10
emacs_check_sunpro_c=yes
;;
+ *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
+ ## Note that Emacs 23.1's NEWS said the following would be dropped.
*-sunos5.6* | *-solaris2.6* )
opsys=sol2-6
RANLIB="ar -ts"
;;
+ ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
*-sunos5.[7-9]* | *-solaris2.[7-9]* )
opsys=sol2-6
emacs_check_sunpro_c=yes
if test $unported = yes; then
AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
-If you think it should, please send a report to bug-gnu-emacs@gnu.org.
+If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
Check `etc/MACHINES' for recognized configuration names.])
fi
#### Choose a compiler.
+dnl Don't bother to test for C89.
+AC_DEFUN([_AC_PROG_CC_C89], [$2])
+
dnl Sets GCC=yes if using gcc.
AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
if test -n "$XCRUN"; then
test -n "$AR" && export AR
fi
+dnl Emacs needs C99 or later.
+gl_PROG_CC_C99
+
AM_PROG_CC_C_O
if test x$GCC = xyes; then
# Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
# as we don't use them.
AC_DEFUN([gl_FCNTL_O_FLAGS])
-# Avoid gnulib's threadlib module, as we do threads our own way.
-AC_DEFUN([gl_THREADLIB])
# Initialize gnulib right after choosing the compiler.
dnl Amongst other things, this sets AR and ARFLAGS.
[gl_gcc_warnings=no]
)
-AC_ARG_ENABLE(link-time-optimization,
-[AS_HELP_STRING([--enable-link-time-optimization],
- [build emacs with link-time optimization.
- This is supported only for GCC since 4.5.0.])],
-if test "${enableval}" != "no"; then
- AC_MSG_CHECKING([whether link-time optimization is supported])
- ac_lto_supported=no
- if test x$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 $LTO"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
- [ac_lto_supported=yes], [ac_lto_supported=no])
- CFLAGS="$old_CFLAGS"
- fi
- AC_MSG_RESULT([$ac_lto_supported])
- if test "$ac_lto_supported" = "yes"; then
- CFLAGS="$CFLAGS $LTO"
- fi
-fi)
-
# clang is unduly picky about some things.
AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
[AC_COMPILE_IFELSE(
for w in $ws; do
gl_WARN_ADD([$w])
done
+ gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
s/^ //
"
+AC_ARG_ENABLE(link-time-optimization,
+[AS_HELP_STRING([--enable-link-time-optimization],
+ [build emacs with link-time optimization.
+ This requires GCC 4.5.0 or later, or clang.
+ (Note that clang support is experimental - see INSTALL.)
+ It also makes Emacs harder to debug, and when we tried it
+ with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
+ recommended for typical use.])],
+if test "${enableval}" != "no"; then
+ ac_lto_supported=no
+ if test $emacs_cv_clang = yes; then
+ AC_MSG_CHECKING([whether link-time optimization is supported by clang])
+ GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
+ if test -x "$GOLD_PLUGIN"; then
+ LTO="-flto"
+ fi
+ elif test x$GCC = xyes; then
+ AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
+ CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
+ if test x$CPUS != x; then
+ LTO="-flto=$CPUS"
+ else
+ LTO="-flto"
+ fi
+ else
+ AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
+ fi
+ if test -z "$LTO"; then
+ ac_lto_supported=no
+ else
+ old_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS $LTO"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [ac_lto_supported=yes], [ac_lto_supported=no])
+ CFLAGS="$old_CFLAGS"
+ fi
+ AC_MSG_RESULT([$ac_lto_supported])
+ if test "$ac_lto_supported" = "yes"; then
+ CFLAGS="$CFLAGS $LTO"
+ if test x$emacs_cv_clang = xyes; then
+ AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
+ # WARNING: 'ar --plugin ...' doesn't work without
+ # command, so plugin name is appended to ARFLAGS.
+ ARFLAGS="cru --plugin $GOLD_PLUGIN"
+ RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
+ else
+ dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
+ dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
+ dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
+ dnl dump core on Fedora 20, so play it safe for now.
+ gl_COMPILER_OPTION_IF([-ffat-lto-objects],
+ [CFLAGS="$CFLAGS -ffat-lto-objects"])
+ fi
+ fi
+fi)
dnl Some other nice autoconf tests.
dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
fi
AC_SUBST(HAVE_MAKEINFO)
-dnl Just so that there is only a single place we need to edit.
-INFO_EXT=.info
-INFO_OPTS=--no-split
-AC_SUBST(INFO_EXT)
-AC_SUBST(INFO_OPTS)
-
if test $opsys = mingw32; then
DOCMISC_W32=efaq-w32
else
CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
fi
-# Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
+# Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
AC_DEFUN([AC_TYPE_SIZE_T])
# Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
AC_DEFUN([AC_TYPE_UID_T])
+# sqrt and other floating-point functions such as fmod and frexp
+# are found in -lm on many systems.
+OLD_LIBS=$LIBS
+AC_SEARCH_LIBS([sqrt], [m])
+if test "X$LIBS" = "X$OLD_LIBS"; then
+ LIB_MATH=
+else
+ LIB_MATH=$ac_cv_search_sqrt
+fi
+LIBS=$OLD_LIBS
-LIB_MATH=-lm
dnl Current possibilities handled by sed (aix4-2 -> aix,
dnl gnu-linux -> gnu/linux, etc.):
dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
pre_PKG_CONFIG_CFLAGS=$CFLAGS
pre_PKG_CONFIG_LIBS=$LIBS
-AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-
-dnl This function definition taken from Gnome 2.0
-dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
-dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
-dnl also defines GSTUFF_PKG_ERRORS on error
-AC_DEFUN([PKG_CHECK_MODULES], [
- succeeded=no
-
- if test "$PKG_CONFIG" = "no" ; then
- ifelse([$4], , [AC_MSG_ERROR([
- *** The pkg-config script could not be found. Make sure it is in your path, or give the full name of pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
- else
- PKG_CONFIG_MIN_VERSION=0.9.0
- if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
- AC_MSG_CHECKING(for $2)
-
- if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
- $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
- $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
- $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
- $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
- AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
- succeeded=yes
- else
- AC_MSG_RESULT(no)
- $1_CFLAGS=""
- $1_LIBS=""
- ## If we have a custom action on failure, don't print errors, but
- ## do set a variable so people can do so. Do it in a subshell
- ## to capture any diagnostics in invoking pkg-config.
- $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
- ifelse([$4], ,echo "$$1_PKG_ERRORS",)
- fi
-
- AC_SUBST($1_CFLAGS)
- AC_SUBST($1_LIBS)
- else
- echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
- echo "*** See http://www.freedesktop.org/software/pkgconfig"
- fi
- fi
-
- if test $succeeded = yes; then
- ifelse([$3], , :, [$3])
- else
- ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
- fi
-])
+PKG_PROG_PKG_CONFIG(0.9.0)
+
+dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
+dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
+dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
+dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
+dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
+dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
+dnl actions.
+AC_DEFUN([EMACS_CHECK_MODULES],
+ [PKG_CHECK_MODULES([$1], [$2],
+ [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
+ m4_default([$3], [HAVE_$1=yes])],
+ [m4_default([$4], [HAVE_$1=no])])])
HAVE_SOUND=no
if test "${with_sound}" != "no"; then
if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
ALSA_REQUIRED=1.0.0
ALSA_MODULES="alsa >= $ALSA_REQUIRED"
- PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
+ EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
if test $HAVE_ALSA = yes; then
SAVE_CFLAGS="$CFLAGS"
SAVE_LIBS="$LIBS"
dnl checks for header files
AC_CHECK_HEADERS_ONCE(
sys/systeminfo.h
+ sys/sysinfo.h
coff.h pty.h
sys/resource.h
sys/utsname.h pwd.h utmp.h util.h)
[Define to 1 if personality LINUX32 can be set.])
fi
+if test "$ac_cv_header_sys_sysinfo_h" = yes; then
+ AC_MSG_CHECKING([if Linux sysinfo may be used])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
+ [[struct sysinfo si; sysinfo (&si)]])],
+ emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
+ AC_MSG_RESULT($emacs_cv_linux_sysinfo)
+ if test $emacs_cv_linux_sysinfo = yes; then
+ AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
+ [[struct sysinfo si; return si.mem_unit]])],
+ AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
+ [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
+ fi
+fi
+
dnl On Solaris 8 there's a compilation warning for term.h because
dnl it doesn't define `bool'.
AC_CHECK_HEADERS(term.h, , , -)
dnl AC_C_BIGENDIAN is done by gnulib.
dnl check for Make feature
-dnl AC_PROG_MAKE_SET is done by Automake.
DEPFLAGS=
MKDEPDIR=":"
deps_frag=deps.mk
-dnl check for GNU Make if we have GCC and autodepend is on.
+dnl check if we have GCC and autodepend is on.
if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
- AC_MSG_CHECKING([whether we are using GNU Make])
- HAVE_GNU_MAKE=no
- testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
- if test "x$testval" != x; then
- HAVE_GNU_MAKE=yes
- else
- ac_enable_autodepend=no
- fi
- AC_MSG_RESULT([$HAVE_GNU_MAKE])
- if test $HAVE_GNU_MAKE = yes; then
- AC_MSG_CHECKING([whether gcc understands -MMD -MF])
- SAVE_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
- CFLAGS="$SAVE_CFLAGS"
- test -f deps.d || ac_enable_autodepend=no
- rm -rf deps.d
- AC_MSG_RESULT([$ac_enable_autodepend])
- fi
+ AC_MSG_CHECKING([whether gcc understands -MMD -MF])
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
+ CFLAGS="$SAVE_CFLAGS"
+ test -f deps.d || ac_enable_autodepend=no
+ rm -rf deps.d
+ AC_MSG_RESULT([$ac_enable_autodepend])
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.
deps_frag=autodeps.mk
fi
fi
+lwlib_deps_frag=$srcdir/lwlib/$deps_frag
+oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
deps_frag=$srcdir/src/$deps_frag
AC_SUBST(MKDEPDIR)
AC_SUBST(DEPFLAGS)
AC_SUBST_FILE(deps_frag)
-
+AC_SUBST_FILE(lwlib_deps_frag)
+AC_SUBST_FILE(oldxmenu_deps_frag)
lisp_frag=$srcdir/src/lisp.mk
AC_SUBST_FILE(lisp_frag)
system_malloc=$emacs_cv_sanitize_address
case "$opsys" in
## darwin ld insists on the use of malloc routines in the System framework.
- darwin|sol2-10) system_malloc=yes ;;
+ darwin|mingw32|sol2-10) system_malloc=yes ;;
esac
GMALLOC_OBJ=
## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
## Does the AC_FUNC_MMAP test below make this check unnecessary?
case "$opsys" in
- gnu*) REL_ALLOC=no ;;
+ mingw32|gnu*) REL_ALLOC=no ;;
esac
fi
use_mmap_for_buffers=no
case "$opsys" in
- cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
+ cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
esac
AC_FUNC_MMAP
LIBS="$LIBS_SYSTEM $LIBS"
-dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
-AC_CHECK_LIB(dnet, dnet_ntoa)
-dnl This causes -lresolv to get used in subsequent tests,
-dnl which causes failures on some systems such as HPUX 9.
-dnl AC_CHECK_LIB(resolv, gethostbyname)
-
dnl FIXME replace main with a function we actually want from this library.
AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
-dnl Check if pthreads is available.
+dnl Check for the POSIX thread library.
LIB_PTHREAD=
+if test "$opsys" != "mingw32"; then
AC_CHECK_HEADERS_ONCE(pthread.h)
if test "$ac_cv_header_pthread_h"; then
dnl gmalloc.c uses pthread_atfork, which is not available on older-style
dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
- dnl testing for pthread_self if Emacs uses gmalloc.c.
+ dnl testing for pthread_kill if Emacs uses gmalloc.c.
if test "$GMALLOC_OBJ" = gmalloc.o; then
emacs_pthread_function=pthread_atfork
else
- emacs_pthread_function=pthread_self
+ emacs_pthread_function=pthread_kill
fi
- AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
-fi
-if test "$HAVE_PTHREAD" = yes; then
- case "${canonical}" in
- *-hpux*) ;;
- *) LIB_PTHREAD="-lpthread"
- LIBS="$LIB_PTHREAD $LIBS" ;;
- esac
- AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
+ OLD_LIBS=$LIBS
+ AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
+ [AC_DEFINE([HAVE_PTHREAD], [1],
+ [Define to 1 if you have pthread (-lpthread).])
+ # Some systems optimize for single-threaded programs by default, and
+ # need special flags to disable these optimizations. For example, the
+ # definition of 'errno' in <errno.h>.
+ case $opsys in
+ sol*)
+ AC_DEFINE([_REENTRANT], 1,
+ [Define to 1 if your system requires this in multithreaded code.]);;
+ aix4-2)
+ AC_DEFINE([_THREAD_SAFE], 1,
+ [Define to 1 if your system requires this in multithreaded code.]);;
+ esac])
+ if test "X$LIBS" != "X$OLD_LIBS"; then
+ eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
+ fi
+ LIBS=$OLD_LIBS
fi
AC_SUBST([LIB_PTHREAD])
-
-AC_CHECK_LIB(pthreads, cma_open)
-
-## Note: when using cpp in s/aix4.2.h, this definition depended on
-## HAVE_LIBPTHREADS. That was not defined earlier in configure when
-## the system file was sourced. Hence the value of LIBS_SYSTEM
-## added to LIBS in configure would never contain the pthreads part,
-## but the value used in Makefiles might. FIXME?
-##
-## -lpthreads seems to be necessary for Xlib in X11R6, and should
-## be harmless on older versions of X where it happens to exist.
-test "$opsys" = "aix4-2" && \
- test $ac_cv_lib_pthreads_cma_open = yes && \
- LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
+fi
dnl Check for need for bigtoc support on IBM AIX
;;
esac
-# Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
-# used for the tests that follow. We set them back to REAL_CFLAGS and
-# REAL_CPPFLAGS later on.
+# Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
+# is for the tests that follow. We set them back later on.
REAL_CFLAGS="$CFLAGS"
REAL_CPPFLAGS="$CPPFLAGS"
+REAL_LIBS="$LIBS"
if test "${HAVE_X11}" = "yes"; then
DEFS="$C_SWITCH_X_SITE $DEFS"
[xgnu_linux_first_failure=no],
[xgnu_linux_first_failure=yes])
if test "${xgnu_linux_first_failure}" = "yes"; then
- OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
- OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
OLD_CPPFLAGS="$CPPFLAGS"
OLD_LIBS="$LIBS"
- LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
- C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
LIBS="$LIBS -b i486-linuxaout"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
[xgnu_linux_second_failure=yes])
if test "${xgnu_linux_second_failure}" = "yes"; then
# If we get the same failure with -b, there is no use adding -b.
- # So take it out. This plays safe.
- LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
- C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
- CPPFLAGS="$OLD_CPPFLAGS"
- LIBS="$OLD_LIBS"
+ # So leave it out. This plays safe.
AC_MSG_RESULT(no)
else
+ LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
+ C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
AC_MSG_RESULT(yes)
fi
+ CPPFLAGS=$OLD_CPPFLAGS
+ LIBS=$OLD_LIBS
else
AC_MSG_RESULT(no)
fi
RSVG_REQUIRED=2.11.0
RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
- PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
+ EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
AC_SUBST(RSVG_CFLAGS)
AC_SUBST(RSVG_LIBS)
if test "${opsys}" = "mingw32"; then
RSVG_LIBS=
fi
- LIBS="$RSVG_LIBS $LIBS"
fi
fi
fi
## 6.3.5 is the earliest version known to work; see Bug#17339.
## 6.8.2 makes Emacs crash; see Bug#13867.
IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
- PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
+ EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
AC_SUBST(IMAGEMAGICK_CFLAGS)
AC_SUBST(IMAGEMAGICK_LIBS)
if test $HAVE_IMAGEMAGICK = yes; then
AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
+ OLD_CFLAGS=$CFLAGS
+ OLD_LIBS=$LIBS
CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
LIBS="$IMAGEMAGICK_LIBS $LIBS"
AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
+ CFLAGS=$OLD_CFLAGS
+ LIBS=$OLD_LIBS
fi
fi
fi
GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
dnl Checks for libraries.
- PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
+ EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
+ [pkg_check_gtk=yes], [pkg_check_gtk=no])
if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
AC_MSG_ERROR($GTK_PKG_ERRORS)
fi
GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
dnl Checks for libraries.
- PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
+ EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
+ [pkg_check_gtk=yes], [pkg_check_gtk=no])
if test "$pkg_check_gtk" = "no" &&
{ test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
then
fi
fi
+OLD_CFLAGS=$CFLAGS
+OLD_LIBS=$LIBS
+
if test x"$pkg_check_gtk" = xyes; then
AC_SUBST(GTK_LIBS)
- C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
CFLAGS="$CFLAGS $GTK_CFLAGS"
LIBS="$GTK_LIBS $LIBS"
dnl Try to compile a simple GTK program.
AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
fi
else
+ C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
HAVE_GTK=yes
AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
GTK_OBJ="gtkutil.o $GTK_OBJ"
term_header=gtkutil.h
fi
+CFLAGS=$OLD_CFLAGS
+LIBS=$OLD_LIBS
+
dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
dnl other platforms.
HAVE_DBUS=no
DBUS_OBJ=
if test "${with_dbus}" = "yes"; then
- PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
+ EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
if test "$HAVE_DBUS" = yes; then
- LIBS="$LIBS $DBUS_LIBS"
AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
dnl dbus_type_is_valid and dbus_validate_* have been introduced in
dnl D-Bus 1.5.12.
+ OLD_LIBS=$LIBS
+ LIBS="$LIBS $DBUS_LIBS"
AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
dbus_type_is_valid \
dbus_validate_bus_name \
dbus_validate_path \
dbus_validate_interface \
dbus_validate_member)
+ LIBS=$OLD_LIBS
DBUS_OBJ=dbusbind.o
fi
fi
+AC_SUBST(DBUS_CFLAGS)
+AC_SUBST(DBUS_LIBS)
AC_SUBST(DBUS_OBJ)
dnl GSettings has been tested under GNU/Linux only.
HAVE_GSETTINGS=no
if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
- PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
+ EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
if test "$HAVE_GSETTINGS" = "yes"; then
old_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
HAVE_GCONF=no
if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
- PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
+ EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
if test "$HAVE_GCONF" = yes; then
AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
dnl Newer GConf doesn't link with g_objects, so this is not defined.
fi
if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
- PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
+ EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
if test "$HAVE_GOBJECT" = "yes"; then
SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
HAVE_GNUTLS=no
HAVE_GNUTLS3=no
if test "${with_gnutls}" = "yes" ; then
- PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
+ EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
+ [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
if test "${HAVE_GNUTLS3}" = "yes"; then
AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
HAVE_GNUTLS="yes"
else
- PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
+ EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
+ [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
fi
if test "${HAVE_GNUTLS}" = "yes"; then
AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
dnl to check?
case $with_file_notification,$NOTIFY_OBJ in
gfile, | yes,)
- PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
+ EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
if test "$HAVE_GFILENOTIFY" = "yes"; then
AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
NOTIFY_OBJ=gfilenotify.o
X_TOOLKIT_TYPE=$USE_X_TOOLKIT
LIBXTR6=
+LIBXMU=
if test "${USE_X_TOOLKIT}" != "none"; then
AC_MSG_CHECKING(X11 toolkit version)
AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
OLDLIBS="$LIBS"
if test x$HAVE_X11XTR6 = xyes; then
- LIBS="-lXt -lSM -lICE $LIBS"
+ OTHERLIBS='-lXt -lSM -lICE'
else
- LIBS="-lXt $LIBS"
+ OTHERLIBS='-lXt'
+ fi
+ AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
+ if test "X$LIBS" != "X$OLDLIBS"; then
+ LIBXMU=$ac_cv_search_XmuConvertStandardSelection
fi
- AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
- test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
- dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
+ LIBS=$OLDLIBS
+ dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
fi
AC_SUBST(LIBXTR6)
-
-dnl FIXME the logic here seems weird, but this is what cpp was doing.
-dnl Why not just test for libxmu in the normal way?
-LIBXMU=-lXmu
-case $opsys in
- ## These systems don't supply Xmu.
- hpux* | aix4-2 )
- test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
- ;;
- mingw32 )
- LIBXMU=
- ;;
-esac
AC_SUBST(LIBXMU)
-# 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
- AC_CHECK_LIB(Xext, XShapeQueryExtension)
- fi
-fi
-
LIBXP=
if test "${USE_X_TOOLKIT}" = "MOTIF"; then
# OpenMotif may be installed in such a way on some GNU/Linux systems.
### Start of font-backend (under X11) section.
if test "${HAVE_X11}" = "yes"; then
- PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
-
- ## Use -lXft if available, unless `--with-xft=no'.
- HAVE_XFT=maybe
- if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
+ ## Use -lXft if available, unless `--with-xft=no'.
+ HAVE_XFT=maybe
+ if test "x${with_x}" = "xno"; then
with_xft="no";
fi
+
+ if test "$with_xft" != no; then
+ EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
+ with_xft=$HAVE_FONTCONFIG
+ fi
+
if test "x${with_xft}" != "xno"; then
- PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
+ EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
## Because xftfont.c uses XRenderQueryExtension, we also
## need to link to -lXrender.
HAVE_XRENDER=no
AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
AC_SUBST(XFT_LIBS)
C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
- else
- CPPFLAGS="$OLD_CPPFLAGS"
- CFLAGS="$OLD_CFLAGS"
- LIBS="$OLD_LIBS"
fi # "${HAVE_XFT}" = "yes"
+ CPPFLAGS=$OLD_CPPFLAGS
+ CFLAGS=$OLD_CFLAGS
+ LIBS=$OLD_LIBS
fi # "$HAVE_XFT" != no
fi # "x${with_xft}" != "xno"
dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
dnl if -lfreetype is not specified.
dnl The following is needed to set FREETYPE_LIBS.
- PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
- HAVE_FREETYPE=no)
+ EMACS_CHECK_MODULES([FREETYPE], [freetype2])
test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
fi
AC_DEFINE(HAVE_FREETYPE, 1,
[Define to 1 if using the freetype and fontconfig libraries.])
if test "${with_libotf}" != "no"; then
- PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
- HAVE_LIBOTF=no)
+ EMACS_CHECK_MODULES([LIBOTF], [libotf])
if test "$HAVE_LIBOTF" = "yes"; then
AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
HAVE_M17N_FLT=no
if test "${HAVE_LIBOTF}" = yes; then
if test "${with_m17n_flt}" != "no"; then
- PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
+ EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
if test "$HAVE_M17N_FLT" = "yes"; then
AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
fi
fi
if test "${HAVE_X11}" = "yes"; then
+ dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
+ test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
+
if test "${with_xpm}" != "no"; then
AC_CHECK_HEADER(X11/xpm.h,
[AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
if test "${HAVE_XPM}" = "yes"; then
AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
LIBXPM=-lXpm
+ elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
+ dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
+ LIBXPM=-lXpm
fi
fi
fi
AC_SUBST(LIBJPEG)
-### Use -lpng if available, unless `--with-png=no'.
-### mingw32 doesn't use -lpng, since it loads the library dynamically.
-HAVE_PNG=no
-LIBPNG=
-if test "${opsys}" = "mingw32"; then
- if test "${with_png}" != "no"; then
- AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
- fi
- if test "${HAVE_PNG}" = "yes"; then
- AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
-
- AC_CHECK_DECL(png_longjmp,
- [],
- [AC_DEFINE(PNG_DEPSTRUCT, [],
- [Define to empty to suppress deprecation warnings when building
- with --enable-gcc-warnings and with libpng versions before 1.5,
- which lack png_longjmp.])],
- [[#ifdef HAVE_LIBPNG_PNG_H
- # include <libpng/png.h>
- #else
- # include <png.h>
- #endif
- ]])
- fi
-elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
- if test "${with_png}" != "no"; then
- # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
- # in /usr/include/libpng.
- AC_CHECK_HEADERS(png.h libpng/png.h, break)
- if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
- AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
- fi
- fi
-
- if test "${HAVE_PNG}" = "yes"; then
- AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library.])
-
- dnl Some systems, eg NetBSD 6, only provide eg "libpng16", not "libpng".
- lpng=`libpng-config --libs 2> /dev/null`
- case $lpng in
- -l*) : ;;
- *) lpng="-lpng" ;;
- esac
- LIBPNG="$lpng -lz -lm"
-
- AC_CHECK_DECL(png_longjmp,
- [],
- [AC_DEFINE(PNG_DEPSTRUCT, [],
- [Define to empty to suppress deprecation warnings when building
- with --enable-gcc-warnings and with libpng versions before 1.5,
- which lack png_longjmp.])],
- [[#ifdef HAVE_LIBPNG_PNG_H
- # include <libpng/png.h>
- #else
- # include <png.h>
- #endif
- ]])
- fi
-fi
-AC_SUBST(LIBPNG)
-
HAVE_ZLIB=no
LIBZ=
if test "${with_zlib}" != "no"; then
fi
AC_SUBST(LIBZ)
+### Use -lpng if available, unless `--with-png=no'.
+HAVE_PNG=no
+LIBPNG=
+PNG_CFLAGS=
+if test "${NS_IMPL_COCOA}" = yes; then
+ : # Nothing to do
+elif test "${with_png}" != no; then
+ # mingw32 loads the library dynamically.
+ if test "$opsys" = mingw32; then
+ AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
+ elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
+ AC_MSG_CHECKING([for png])
+ png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
+ png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
+ # libpng-config does not work; configure by hand.
+ # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
+ # in /usr/include/libpng.
+ if test -r /usr/include/libpng/png.h &&
+ test ! -r /usr/include/png.h; then
+ png_cflags=-I/usr/include/libpng
+ else
+ png_cflags=
+ fi
+ png_libs='-lpng'
+ }
+ SAVE_CFLAGS=$CFLAGS
+ SAVE_LIBS=$LIBS
+ CFLAGS="$CFLAGS $png_cflags"
+ LIBS="$png_libs -lz -lm $LIBS"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#include <png.h>]],
+ [[return !png_get_channels (0, 0);]])],
+ [HAVE_PNG=yes
+ PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
+ LIBPNG=$png_libs
+ # $LIBPNG requires explicit -lz in some cases.
+ # We don't know what those cases are, exactly, so play it safe and
+ # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
+ if test -n "$LIBPNG" && test -z "$LIBZ"; then
+ LIBPNG="$LIBPNG -lz"
+ fi])
+ CFLAGS=$SAVE_CFLAGS
+ LIBS=$SAVE_LIBS
+ AC_MSG_RESULT([$HAVE_PNG])
+ fi
+fi
+if test $HAVE_PNG = yes; then
+ AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
+
+ SAVE_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS $PNG_CFLAGS"
+ AC_CHECK_DECL([png_longjmp],
+ [],
+ [AC_DEFINE([PNG_DEPSTRUCT], [],
+ [Define to empty to suppress deprecation warnings when building
+ with --enable-gcc-warnings and with libpng versions before 1.5,
+ which lack png_longjmp.])],
+ [[#include <png.h>
+ ]])
+ CFLAGS=$SAVE_CFLAGS
+fi
+AC_SUBST(LIBPNG)
+AC_SUBST(PNG_CFLAGS)
### Use -ltiff if available, unless `--with-tiff=no'.
### mingw32 doesn't use -ltiff, since it loads the library dynamically.
if test "${HAVE_X_SM}" = "yes"; then
AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
LIBXSM="-lSM -lICE"
- case "$LIBS" in
- *-lSM*) ;;
- *) LIBS="$LIBXSM $LIBS" ;;
- esac
fi
fi
AC_SUBST(LIBXSM)
if test "${HAVE_X11}" = "yes"; then
XRANDR_REQUIRED=1.2.2
XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
- PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
+ EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
if test $HAVE_XRANDR = no; then
# Test old way in case pkg-config doesn't have it (older machines).
AC_CHECK_HEADER(X11/extensions/Xrandr.h,
[AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
if test $HAVE_XRANDR = yes; then
XRANDR_LIBS=-lXrandr
- AC_SUBST(XRANDR_LIBS)
fi
fi
if test $HAVE_XRANDR = yes; then
AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
fi
fi
+AC_SUBST(XRANDR_CFLAGS)
+AC_SUBST(XRANDR_LIBS)
### Use Xinerama (-lXinerama) if available
HAVE_XINERAMA=no
if test "${HAVE_X11}" = "yes"; then
XINERAMA_REQUIRED=1.0.2
XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
- PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
- HAVE_XINERAMA=no)
+ EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
if test $HAVE_XINERAMA = no; then
# Test old way in case pkg-config doesn't have it (older machines).
AC_CHECK_HEADER(X11/extensions/Xinerama.h,
[AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
if test $HAVE_XINERAMA = yes; then
XINERAMA_LIBS=-lXinerama
- AC_SUBST(XINERAMA_LIBS)
fi
fi
if test $HAVE_XINERAMA = yes; then
AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
fi
fi
+AC_SUBST(XINERAMA_CFLAGS)
+AC_SUBST(XINERAMA_LIBS)
+### Use Xfixes (-lXfixes) if available
+HAVE_XFIXES=no
+if test "${HAVE_X11}" = "yes"; then
+ XFIXES_REQUIRED=4.0.0
+ XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
+ EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
+ if test $HAVE_XFIXES = no; then
+ # Test old way in case pkg-config doesn't have it (older machines).
+ AC_CHECK_HEADER(X11/extensions/Xfixes.h,
+ [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
+ if test $HAVE_XFIXES = yes; then
+ XFIXES_LIBS=-lXfixes
+ fi
+ fi
+ if test $HAVE_XFIXES = yes; then
+ AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
+ fi
+fi
+AC_SUBST(XFIXES_CFLAGS)
+AC_SUBST(XFIXES_LIBS)
### Use libxml (-lxml2) if available
### mingw32 doesn't use -lxml2, since it loads the library dynamically.
HAVE_LIBXML2=no
if test "${with_xml2}" != "no"; then
### I'm not sure what the version number should be, so I just guessed.
- PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
+ EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
# Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
SAVE_CPPFLAGS="$CPPFLAGS"
fi
if test "${HAVE_LIBXML2}" = "yes"; then
if test "${opsys}" != "mingw32"; then
- LIBS="$LIBXML2_LIBS $LIBS"
- AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
+ AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
+ [$LIBXML2_LIBS])
else
LIBXML2_LIBS=""
fi
AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
fi
-# sqrt and other floating-point functions such as fmod and frexp
-# are found in -lm on most systems, but mingw32 doesn't use -lm.
-if test "${opsys}" != "mingw32"; then
- AC_CHECK_LIB(m, sqrt)
-fi
-
# Check for mail-locking functions in a "mail" library. Probably this should
# have the same check as for liblockfile below.
AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
if test $have_mail = yes; then
LIBS_MAIL=-lmail
- LIBS="$LIBS_MAIL $LIBS"
AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
+
+ OLD_LIBS=$LIBS
+ LIBS="$LIBS_MAIL $LIBS"
+ AC_CHECK_FUNCS(touchlock)
+ LIBS=$OLD_LIBS
else
LIBS_MAIL=
fi
AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
if test $have_lockfile = yes; then
LIBS_MAIL=-llockfile
- LIBS="$LIBS_MAIL $LIBS"
AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
else
# If we have the shared liblockfile, assume we must use it for mail
esac
AC_SUBST(BLESSMAIL_TARGET)
-
+OLD_LIBS=$LIBS
+LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
AC_CHECK_FUNCS(accept4 gethostname \
getrusage get_current_dir_name \
-lrand48 \
+lrand48 random rint \
select getpagesize setlocale \
getrlimit setrlimit shutdown getaddrinfo \
-strsignal setitimer \
+pthread_sigmask strsignal setitimer \
sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
-gai_strerror getline getdelim sync \
+gai_strerror sync \
getpwent endpwent getgrent endgrent \
-touchlock \
cfmakeraw cfsetspeed copysign __executable_start log2)
+LIBS=$OLD_LIBS
dnl No need to check for aligned_alloc and posix_memalign if using
dnl gmalloc.o, as it supplies them. Don't use these functions on
AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
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 $opsys in
- hpux*) : ;;
- *) AC_CHECK_FUNCS(random rint) ;;
-esac
-
dnl Cannot use AC_CHECK_FUNCS
AC_CACHE_CHECK([for __builtin_unwind_init],
emacs_cv_func___builtin_unwind_init,
AC_SUBST(LIBS_TERMCAP)
AC_SUBST(TERMCAP_OBJ)
+# GNU/Linux-specific timer functions.
+AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
+ ]],
+ [[timerfd_create (CLOCK_REALTIME,
+ TFD_CLOEXEC | TFD_NONBLOCK);
+ timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
+ [emacs_cv_have_timerfd=yes],
+ [emacs_cv_have_timerfd=no])])
+if test "$emacs_cv_have_timerfd" = yes; then
+ AC_DEFINE([HAVE_TIMERFD], 1,
+ [Define to 1 if timerfd functions are supported as in GNU/Linux.])
+fi
# 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
KRB4LIB=
if test "${with_kerberos}" != no; then
+ OLD_LIBS=$LIBS
AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
if test $have_com_err = yes; then
COM_ERRLIB=-lcom_err
[AC_CHECK_HEADERS(kerberos/krb.h)])])
fi
AC_CHECK_HEADERS(com_err.h)
+ LIBS=$OLD_LIBS
fi
AC_SUBST(COM_ERRLIB)
[Define to 1 if you have inet sockets.])
fi
-dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
-dnl This can be removed once we assume Autoconf 2.70.
-case $canonical in
- *-solaris2.4 | *-solaris2.4.*)
- dnl Disable the Autoconf-generated vfork test.
- : ${ac_cv_func_vfork_works=no};;
-esac
-
AC_FUNC_FORK
AC_CHECK_FUNCS(snprintf)
-dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
-dnl Emacs uses.
+dnl Check for glib. This differs from other library checks in that
+dnl Emacs need not link to glib unless some other library is already
+dnl linking to glib. Although glib provides no facilities that Emacs
+dnl needs for its own purposes, when glib is present Emacs needs to
+dnl use primitives like g_main_context_query to avoid clashing with
+dnl glib at a low level.
+dnl
+dnl Check this late, since it depends on $GTK_CFLAGS etc.
XGSELOBJ=
OLDCFLAGS="$CFLAGS"
OLDLIBS="$LIBS"
+CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
+LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
LIBS="$LIBS $GFILENOTIFY_LIBS"
AC_MSG_CHECKING([whether GLib is linked in])
in the full name stands for the login id.])
fi
-dnl Every platform that uses configure supports this.
-dnl There is a create-lockfiles option you can
-dnl customize if you do not want the lock files to be written.
-dnl So it is not clear that this #define still needs to exist.
-AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
- so that Emacs can tell instantly when you try to modify a file that
- someone else has modified in his/her Emacs.])
-
dnl Everybody supports this, except MS.
dnl Seems like the kind of thing we should be testing for, though.
## Note: PTYs are broken on darwin <6. Use at your own risk.
case $opsys in
aix4-2)
dnl Unfortunately without libXmu we cannot support EditRes.
- if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
+ if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
AC_DEFINE(NO_EDITRES, 1)
fi
;;
esac
-dnl Used in lisp.h, emacs.c, vm-limit.c
-dnl NEWS.18 describes this as "a number which contains
-dnl the high bits to be inclusive or'ed with pointers that are unpacked."
-AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
-stored in a Lisp_Object.])
-dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
-
-case $opsys in
- aix*)
- dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
- AC_DEFINE(DATA_SEG_BITS, [0x20000000])
- ;;
- hpux*)
- dnl The data segment on this machine always starts at address 0x40000000.
- AC_DEFINE(DATA_SEG_BITS, [0x40000000])
- ;;
- irix6-5)
- AC_DEFINE(DATA_SEG_BITS, [0x10000000])
- ;;
-esac
-
-
AH_TEMPLATE(TAB3, [Undocumented.])
case $opsys in
# Set up the CFLAGS for real compilation, so we can substitute it.
CFLAGS="$REAL_CFLAGS"
CPPFLAGS="$REAL_CPPFLAGS"
+LIBS="$REAL_LIBS"
## Hack to detect a buggy GCC version.
if test "x$GCC" = xyes \
#endif
])
+# If user asks to omit features, disable optional features that gnulib
+# might otherwise enable.
+if test "$with_features" = no && test "$enable_acl" != yes; then
+ enable_acl=no
+fi
+
# Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
# it temporarily reverts them to their pre-pkg-config values,
# because gnulib needs to work with both src (which uses the
gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
mingw32)
- ## MinGW64 does not prepend an underscore to symbols, so we must
- ## pass a different -entry switch to linker. FIXME: It is better
- ## to make the entry points the same by changing unexw32.c.
+ ## Is it any better under MinGW64 to relocate emacs into higher addresses?
case "$canonical" in
- x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
+ x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
esac
;;
AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
-## MinGW-specific post-link processing of temacs.
-TEMACS_POST_LINK=":"
-ADDSECTION=
-EMACS_HEAPSIZE=
-if test "${opsys}" = "mingw32"; then
- TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
- ADDSECTION="../nt/addsection\$(EXEEXT)"
- ## Preload heap size of temacs.exe in MB.
- case "$canonical" in
- x86_64-*-*) EMACS_HEAPSIZE=42 ;;
- *) EMACS_HEAPSIZE=27 ;;
- esac
-fi
-
-AC_SUBST(ADDSECTION)
-AC_SUBST(TEMACS_POST_LINK)
-AC_SUBST(EMACS_HEAPSIZE)
-
## Common for all window systems
if test "$window_system" != "none"; then
AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
+ AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
fi
fi
if test $USE_ACL -ne 0; then
- acl_summary="yes $LIB_ACL"
+ ACL_SUMMARY="yes $LIB_ACL"
else
- acl_summary=no
+ ACL_SUMMARY=no
fi
echo "
echo " Where do we find X Windows libraries? Standard dirs"
fi
+optsep=
+emacs_config_features=
+for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
+ GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
+ LIBOTF XFT ZLIB; do
+
+ case $opt in
+ NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
+ *) eval val=\${HAVE_$opt} ;;
+ esac
+ test x"$val" = xno && continue
+ AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
+ optsep=' '
+done
+AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
+ [Summary of some of the main features enabled by configure.])
+
echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
echo " Does Emacs use -lXpm? ${HAVE_XPM}"
echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
-echo " Does Emacs use access control lists? ${acl_summary}"
+echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
else
${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
-fi
+fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
])
AC_OUTPUT
+
+test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])