dnl Autoconf script for GNU Emacs
-dnl To rebuild the `configure' script from this, execute the command
-dnl autoconf
+dnl To rebuild the 'configure' script from this, execute the command
+dnl autoconf
dnl in the directory containing this script.
dnl If you changed any AC_DEFINES, also run autoheader.
dnl
AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
fi
-OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
-if test "$with_mmdf" != no; then
- AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
-fi
-
OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
if test "$with_mail_unlink" != no; then
AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
[ case "${withval}" in
yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
- *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
-this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
+ *) AC_MSG_ERROR(['--with-sound=$withval' is invalid;
+this option's value should be 'yes', 'no', 'alsa', 'oss', or 'bsd-ossaudio'.])
;;
esac
with_sound=$val
gtk2 ) val=gtk2 ;;
gtk3 ) val=gtk3 ;;
* )
-AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
-this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
-`gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
-`athena' and `lucid' are synonyms.])
+AC_MSG_ERROR(['--with-x-toolkit=$withval' is invalid;
+this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk',
+'gtk2' or 'gtk3'. 'yes' and 'gtk' are synonyms.
+'athena' and 'lucid' are synonyms.])
;;
esac
with_x_toolkit=$val
OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
+OPTION_DEFAULT_OFF([cairo],[compile with Cairo drawing])
OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
g | gf | gfi | gfil | gfile ) val=gfile ;;
i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
w | w3 | w32 ) val=w32 ;;
- * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
-this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
-`yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
-otherwise for the first of `gfile' or `inotify' that is usable.])
+ * ) AC_MSG_ERROR(['--with-file-notification=$withval' is invalid;
+this option's value should be 'yes', 'no', 'gfile', 'inotify' or 'w32'.
+'yes' is a synonym for 'w32' on MS-Windows, for 'no' on Nextstep,
+otherwise for the first of 'gfile' or 'inotify' that is usable.])
;;
esac
with_file_notification=$val
An argument prefixed by ':' specifies a group instead.])])
gameuser=
gamegroup=
+# We don't test if we can actually chown/chgrp here, because configure
+# may run without root privileges. lib-src/Makefile.in will handle
+# any errors due to missing user/group gracefully.
case ${with_gameuser} in
no) ;;
- "" | yes)
- AC_MSG_CHECKING([whether a 'games' user exists])
- if id -u games >/dev/null 2>&1; then
- AC_MSG_RESULT([yes])
- gameuser=games
- else
- AC_MSG_RESULT([no])
- fi
- ;;
+ "" | yes) gamegroup=games ;;
:*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
*) gameuser=${with_gameuser} ;;
esac
EN_NS_SELF_CONTAINED=$enableval,
EN_NS_SELF_CONTAINED=yes)
+locallisppathset=no
AC_ARG_ENABLE(locallisppath,
[AS_HELP_STRING([--enable-locallisppath=PATH],
[directories Emacs should search for lisp files specific
if test "${enableval}" = "no"; then
locallisppath=
elif test "${enableval}" != "yes"; then
- locallisppath=${enableval}
+ locallisppath=${enableval} locallisppathset=yes
fi)
AC_ARG_ENABLE(checking,
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 ;;
+ 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 ;;
AC_ARG_ENABLE(autodepend,
[AS_HELP_STRING([--enable-autodepend],
[automatically generate dependencies to .h-files.
- Requires gcc, enabled if 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}"],[])
-dnl This used to use changequote, but, apart from `changequote is evil'
+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.
dnl Just make sure the brackets remain balanced.
## fi
;;
+ ## Chromium Native Client
+ *-nacl )
+ opsys=nacl
+ ;;
+
## Cygwin ports
*-*-cygwin )
opsys=cygwin
mips-sgi-irix6.5 )
opsys=irix6-5
# Without defining _LANGUAGE_C, things get masked out in the headers
- # so that, for instance, grepping for `free' in stdlib.h fails and
+ # so that, for instance, grepping for 'free' in stdlib.h fails and
# AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
;;
# MinGW overrides and adds some system headers in nt/inc.
GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
;;
- *-sysv4.2uw* ) opsys=unixware ;;
- *-sysv5uw* ) opsys=unixware ;;
- *-sysv5OpenUNIX* ) opsys=unixware ;;
+ *-sysv4.2uw* ) opsys=unixware ;;
+ *-sysv5uw* ) opsys=unixware ;;
+ *-sysv5OpenUNIX* ) opsys=unixware ;;
## Otherwise, we'll fall through to the generic opsys code at the bottom.
esac
;;
dnl quotation ends
if test $unported = yes; then
- AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
+ AC_MSG_ERROR([Emacs does not support '${canonical}' systems.
If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
-Check `etc/MACHINES' for recognized configuration names.])
+Check 'etc/MACHINES' for recognized configuration names.])
fi
#### Choose a compiler.
# 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 test for pthread_sigmask.
+funcs=
+for func in $ac_func_list; do
+ test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
+done
+ac_func_list=$funcs
+# Use the system putenv even if it lacks GNU features, as we don't need them,
+# and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
+AC_CHECK_FUNCS_ONCE([putenv])
+AC_DEFUN([gl_FUNC_PUTENV],
+ [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
# Initialize gnulib right after choosing the compiler.
dnl Amongst other things, this sets AR and ARFLAGS.
gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
gl_WARN_ADD([-Wno-pointer-sign])
gl_WARN_ADD([-Wno-string-plus-int])
+ gl_WARN_ADD([-Wno-unknown-attributes])
fi
else
isystem='-isystem '
HAVE_MAKEINFO=no
elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
-source tree does not seem to have pre-built manuals in the `info' directory.
+source tree does not seem to have pre-built manuals in the 'info' directory.
Either install a suitable version of makeinfo, or re-run configure
-with the `--without-makeinfo' option to build without the manuals.] )
+with the '--without-makeinfo' option to build without the manuals.] )
fi
fi
AC_SUBST(HAVE_MAKEINFO)
dnl We need -znocombreloc if we're using a relatively recent GNU ld.
dnl If we can link with the flag, it shouldn't do any harm anyhow.
-dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
-dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
+dnl (Don't use '-z nocombreloc' as -z takes no arg on Irix.)
+dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option'
dnl if not built to support GNU ld.
dnl For a long time, -znocombreloc was added to LDFLAGS rather than
dnl (load "loadup") automatically unless told otherwise.
test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
case "$opsys" in
- your-opsys-here) CANNOT_DUMP=yes ;;
+ nacl) CANNOT_DUMP=yes ;;
esac
if test "$CANNOT_DUMP" = "yes"; then
LD_SWITCH_SYSTEM=
case "$opsys" in
freebsd|dragonfly)
- ## Let `ld' find image libs and similar things in /usr/local/lib.
+ ## Let 'ld' find image libs and similar things in /usr/local/lib.
## The system compiler, GCC, has apparently been modified to not
## look there, contrary to what a stock GCC would do.
### It's not our place to do this. See bug#10313#17.
AC_SUBST(LIB_MATH)
AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
- [The type of system you are compiling for; sets `system-type'.])
+ [The type of system you are compiling for; sets 'system-type'.])
pre_PKG_CONFIG_CFLAGS=$CFLAGS
LIBS="$ALSA_LIBS $LIBS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
emacs_alsa_normal=yes,
- emacs_alsa_normal=no)
+ emacs_alsa_normal=no)
if test "$emacs_alsa_normal" != yes; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
[[snd_lib_error_set_handler (0);]])],
emacs_alsa_subdir=yes,
- emacs_alsa_subdir=no)
+ emacs_alsa_subdir=no)
if test "$emacs_alsa_subdir" != yes; then
AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
fi
fi
dnl On Solaris 8 there's a compilation warning for term.h because
-dnl it doesn't define `bool'.
+dnl it doesn't define 'bool'.
AC_CHECK_HEADERS(term.h, , , -)
AC_HEADER_TIME
AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
dnl check for Make feature
-DEPFLAGS=
-MKDEPDIR=":"
-deps_frag=deps.mk
+AUTO_DEPEND=no
dnl check if we have GCC and autodepend is on.
if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
AC_MSG_CHECKING([whether gcc understands -MMD -MF])
rm -rf deps.d
AC_MSG_RESULT([$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.
- MKDEPDIR='${MKDIR_P} ${DEPDIR}'
- deps_frag=autodeps.mk
+ AUTO_DEPEND=yes
fi
fi
-lwlib_deps_frag=$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)
-
+AC_SUBST(AUTO_DEPEND)
dnl checks for operating system services
AC_SYS_LONG_FILE_NAMES
CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
- [AC_MSG_ERROR([`--with-ns' was specified, but the include
+ [AC_MSG_ERROR(['--with-ns' was specified, but the include
files are missing or cannot be compiled.])])
macfont_file=""
AC_MSG_RESULT([$ns_osx_have_106])
if test $ns_osx_have_106 = no; then
- AC_MSG_ERROR([`OSX 10.6 or newer is required']);
+ AC_MSG_ERROR([OSX 10.6 or newer is required]);
fi
fi
fi
infodir="\${ns_appresdir}/info"
mandir="\${ns_appresdir}/man"
lispdir="\${ns_appresdir}/lisp"
+ test "$locallisppathset" = no && locallisppath=""
INSTALL_ARCH_INDEP_EXTRA=
fi
case "${opsys}" in
cygwin)
AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
- [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
+ [AC_MSG_ERROR(['--with-w32' was specified, but windows.h
cannot be found.])])
;;
mingw32)
case "$opsys" in
## darwin ld insists on the use of malloc routines in the System framework.
- darwin|mingw32|sol2-10) system_malloc=yes ;;
+ darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;;
cygwin) hybrid_malloc=yes;;
esac
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_kill if Emacs uses gmalloc.c.
- if test "$GMALLOC_OBJ" = gmalloc.o; then
- emacs_pthread_function=pthread_atfork
- else
- emacs_pthread_function=pthread_kill
- fi
- OLD_LIBS=$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
+if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
+ AC_CACHE_CHECK([for pthread library],
+ [emacs_cv_pthread_lib],
+ [emacs_cv_pthread_lib=no
+ OLD_CPPFLAGS=$CPPFLAGS
+ OLD_LIBS=$LIBS
+ for emacs_pthread_lib in 'none needed' -lpthread; do
+ case $emacs_pthread_lib in
+ -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
+ esac
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <pthread.h>
+ #include <signal.h>
+ sigset_t old_mask, new_mask;
+ void noop (void) {}]],
+ [[pthread_t th = pthread_self ();
+ int status = 0;
+ status += pthread_create (&th, 0, 0, 0);
+ status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
+ status += pthread_kill (th, 0);
+ #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
+ || defined DOUG_LEA_MALLOC)
+ /* Test for pthread_atfork only if gmalloc uses it,
+ as older-style hosts like MirBSD 10 lack it. */
+ status += pthread_atfork (noop, noop, noop);
+ #endif
+ return status;]])],
+ [emacs_cv_pthread_lib=$emacs_pthread_lib])
+ LIBS=$OLD_LIBS
+ if test "$emacs_cv_pthread_lib" != no; then
+ break
+ fi
+ done
+ CPPFLAGS=$OLD_CPPFLAGS])
+ if test "$emacs_cv_pthread_lib" != no; then
+ AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
+ case $emacs_cv_pthread_lib in
+ -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
+ esac
+ ac_cv_func_pthread_sigmask=yes
+ # 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 $opsys in
+ hpux* | sol*)
+ AC_DEFINE([_REENTRANT], 1,
+ [Define to 1 if your system requires this in multithreaded code.]);;
+ aix4-2)
+ AC_DEFINE([_THREAD_SAFE], 1,
+ [Define to 1 if your system requires this in multithreaded code.]);;
+ esac
fi
- LIBS=$OLD_LIBS
fi
AC_SUBST([LIB_PTHREAD])
-fi
dnl Check for need for bigtoc support on IBM AIX
fi
-### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
+### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
HAVE_RSVG=no
if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
if test "${with_rsvg}" != "no"; then
CFLAGS="$CFLAGS $RSVG_CFLAGS"
# Windows loads librsvg dynamically
if test "${opsys}" = "mingw32"; then
- RSVG_LIBS=
+ RSVG_LIBS=
fi
fi
fi
AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
GTK_OBJ=emacsgtkfixed.o
gtk_term_header=gtkutil.h
+ USE_CAIRO=yes
USE_GTK_TOOLKIT="GTK3"
if test "x$ac_enable_gtk_deprecation_warnings" = x; then
AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
GTK_OBJ="gtkutil.o $GTK_OBJ"
term_header=$gtk_term_header
USE_X_TOOLKIT=none
- if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
- :
- else
- AC_MSG_WARN([[Your version of Gtk+ will have problems with
+ AC_MSG_WARN([[Your version of Gtk+ will have problems with
closing open displays. This is no problem if you just use
one display, but if you use more than one and close one of them
- Emacs may crash.]])
- sleep 3
- fi
+ Emacs may crash.
+ See http://bugzilla.gnome.org/show_bug.cgi?id=85715]])
+ sleep 3
fi
fi
AC_MSG_CHECKING([whether GSettings is in gio])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
- [[/* Check that gsettings really is present. */
- #include <glib-object.h>
+ [[/* Check that gsettings really is present. */
+ #include <glib-object.h>
#include <gio/gio.h>
- ]],
- [[
+ ]],
+ [[
GSettings *settings;
GVariant *val = g_settings_get_value (settings, "");
- ]])],
- [], HAVE_GSETTINGS=no)
+ ]])],
+ [], HAVE_GSETTINGS=no)
AC_MSG_RESULT([$HAVE_GSETTINGS])
if test "$HAVE_GSETTINGS" = "yes"; then
AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
- SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
- SETTINGS_LIBS="$GSETTINGS_LIBS"
+ SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
+ SETTINGS_LIBS="$GSETTINGS_LIBS"
fi
CFLAGS=$old_CFLAGS
LIBS=$old_LIBS
dnl MS Windows native file monitor is available for mingw32 only.
case $with_file_notification,$opsys in
+ w32,cygwin)
+ AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
+ this is only supported on MS-Windows native and MinGW32 builds.
+ Consider using gfile instead.])
+ ;;
w32,* | yes,mingw32)
AC_CHECK_HEADER(windows.h)
if test "$ac_cv_header_windows_h" = yes ; then
case $with_file_notification,$NOTIFY_OBJ in
yes,* | no,* | *,?*) ;;
- *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
+ *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
esac
if test -n "$NOTIFY_OBJ"; then
AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
HAVE_XIM=no)
-dnl `--with-xim' now controls only the initial value of use_xim at run time.
+dnl '--with-xim' now controls only the initial value of use_xim at run time.
if test "${with_xim}" != "no"; then
AC_DEFINE(USE_XIM, 1,
### Start of font-backend (under X11) section.
if test "${HAVE_X11}" = "yes"; then
- ## Use -lXft if available, unless `--with-xft=no'.
+ ## Use -lXft if available, unless '--with-xft=no'.
HAVE_XFT=maybe
if test "x${with_x}" = "xno"; then
with_xft="no";
AC_SUBST(M17N_FLT_CFLAGS)
AC_SUBST(M17N_FLT_LIBS)
-### Use -lXpm if available, unless `--with-xpm=no'.
+USE_CAIRO=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${with_cairo}" != "no"; then
+ CAIRO_REQUIRED=1.12.0
+ CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
+ PKG_CHECK_MODULES(CAIRO, $CAIRO_MODULE, USE_CAIRO=yes, :)
+ if test $USE_CAIRO = yes; then
+ AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
+ else
+ AC_MSG_ERROR([cairo requested but not found.])
+ fi
+
+ CFLAGS="$CFLAGS $CAIRO_CFLAGS"
+ LIBS="$LIBS $CAIRO_LIBS"
+ AC_SUBST(CAIRO_CFLAGS)
+ AC_SUBST(CAIRO_LIBS)
+ fi
+fi
+
+### Use -lXpm if available, unless '--with-xpm=no'.
### mingw32 doesn't use -lXpm, since it loads the library dynamically.
### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
AC_SUBST(LIBXPM)
-### Use -ljpeg if available, unless `--with-jpeg=no'.
-### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
+### Use -ljpeg if available, unless '--with-jpeg=no'.
HAVE_JPEG=no
LIBJPEG=
-if test "${opsys}" = "mingw32"; then
- if test "${with_jpeg}" != "no"; then
- dnl Checking for jpeglib.h can lose because of a redefinition of
- dnl HAVE_STDLIB_H.
- AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
- fi
- AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
- if test "${HAVE_JPEG}" = "yes"; then
- AC_DEFINE(HAVE_JPEG)
- AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
- [#include <jpeglib.h>
- version=JPEG_LIB_VERSION
-],
- [AC_DEFINE(HAVE_JPEG)],
- [AC_MSG_WARN([libjpeg found, but not version 6b or later])
- HAVE_JPEG=no])
- fi
-elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
- if test "${with_jpeg}" != "no"; then
- dnl Checking for jpeglib.h can lose because of a redefinition of
- dnl HAVE_STDLIB_H.
- AC_CHECK_HEADER(jerror.h,
- [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
- fi
-
- AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
- if test "${HAVE_JPEG}" = "yes"; then
- AC_DEFINE(HAVE_JPEG)
- AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
- [#include <jpeglib.h>
- version=JPEG_LIB_VERSION
-],
- [AC_DEFINE(HAVE_JPEG)],
- [AC_MSG_WARN([libjpeg found, but not version 6b or later])
- HAVE_JPEG=no])
- fi
- if test "${HAVE_JPEG}" = "yes"; then
- LIBJPEG=-ljpeg
+if test "${with_jpeg}" != "no"; then
+ AC_CACHE_CHECK([for jpeglib 6b or later],
+ [emacs_cv_jpeglib],
+ [OLD_LIBS=$LIBS
+ for emacs_cv_jpeglib in yes -ljpeg no; do
+ case $emacs_cv_jpeglib in
+ yes) ;;
+ no) break;;
+ *) LIBS="$LIBS $emacs_cv_jpeglib";;
+ esac
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
+ #include <stdio.h> /* jpeglib.h needs FILE and size_t. */
+ #include <jpeglib.h>
+ #include <jerror.h>
+ char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
+ struct jpeg_decompress_struct cinfo;
+ ]],
+ [[
+ jpeg_create_decompress (&cinfo);
+ WARNMS (&cinfo, JWRN_JPEG_EOF);
+ jpeg_destroy_decompress (&cinfo);
+ ]])],
+ [emacs_link_ok=yes],
+ [emacs_link_ok=no])
+ LIBS=$OLD_LIBS
+ test $emacs_link_ok = yes && break
+ done])
+ if test "$emacs_cv_jpeglib" != no; then
+ HAVE_JPEG=yes
+ AC_DEFINE([HAVE_JPEG], 1,
+ [Define to 1 if you have the jpeg library (typically -ljpeg).])
+ ### mingw32 doesn't use -ljpeg, since it loads the library
+ ### dynamically when needed, and doesn't want a run-time
+ ### dependency on the jpeglib DLL.
+ test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
+ && LIBJPEG=$emacs_cv_jpeglib
fi
fi
AC_SUBST(LIBJPEG)
fi
AC_SUBST(LIBZ)
-### Use -lpng if available, unless `--with-png=no'.
+### Use -lpng if available, unless '--with-png=no'.
HAVE_PNG=no
LIBPNG=
PNG_CFLAGS=
AC_SUBST(LIBPNG)
AC_SUBST(PNG_CFLAGS)
-### Use -ltiff if available, unless `--with-tiff=no'.
+### Use -ltiff if available, unless '--with-tiff=no'.
### mingw32 doesn't use -ltiff, since it loads the library dynamically.
HAVE_TIFF=no
LIBTIFF=
fi
AC_SUBST(LIBTIFF)
-### Use -lgif or -lungif if available, unless `--with-gif=no'.
+### Use -lgif or -lungif if available, unless '--with-gif=no'.
### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
HAVE_GIF=no
LIBGIF=
fi
fi
-### Use -lgpm if available, unless `--with-gpm=no'.
+### Use -lgpm if available, unless '--with-gpm=no'.
HAVE_GPM=no
LIBGPM=
if test "${with_gpm}" != "no"; then
### I'm not sure what the version number should be, so I just guessed.
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
+ if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
AC_CHECK_HEADER(libxml/HTMLparser.h,
[AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
- [#include <libxml/HTMLparser.h>])])
+ [#include <libxml/HTMLparser.h>])])
CPPFLAGS="$SAVE_CPPFLAGS"
if test "${HAVE_LIBXML2}" = "yes"; then
LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
fi
if test "${HAVE_LIBXML2}" = "yes"; then
if test "${opsys}" != "mingw32"; then
- 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=""
AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
if test $have_mail = yes; then
LIBS_MAIL=-lmail
- AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
+ AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).])
OLD_LIBS=$LIBS
LIBS="$LIBS_MAIL $LIBS"
AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
if test $have_lockfile = yes; then
LIBS_MAIL=-llockfile
- AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
+ 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
# locking (e.g. Debian). If we couldn't link against liblockfile
if test $ac_cv_prog_liblockfile = yes; then
AC_MSG_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.])
+There may be a 'development' package to install containing liblockfile.])
fi
fi
AC_CHECK_HEADERS_ONCE(maillock.h)
## 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,
+ ## 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
+ ## 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
+ ## 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.
emacs_cv_func___builtin_unwind_init=no)])
if test $emacs_cv_func___builtin_unwind_init = yes; then
AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
- [Define to 1 if you have the `__builtin_unwind_init' function.])
+ [Define to 1 if you have the '__builtin_unwind_init' function.])
fi
AC_CHECK_HEADERS_ONCE(sys/un.h)
fi
AC_MSG_RESULT([$msg])
if test "X$msg" = Xno; then
- AC_MSG_ERROR([The required function `tputs' was not found in any library.
+ AC_MSG_ERROR([The required function 'tputs' was not found in any library.
The following libraries were tried (in order):
libtinfo, libncurses, libterminfo, libtermcap, libcurses
Please try installing whichever of these libraries is most appropriate
OLDLIBS="$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 $GFILENOTIFY_LIBS"
+CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS $CAIRO_CFLAGS"
+LIBS="$LIBS $GFILENOTIFY_LIBS $CAIRO_LIBS"
AC_MSG_CHECKING([whether GLib is linked in])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <glib.h>
- ]],
+ ]],
[[g_print ("Hello world");]])],
[links_glib=yes],
[links_glib=no])
case $opsys in
dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
- hpux* | irix6-5 | openbsd | sol2* | unixware )
+ hpux* | irix6-5 | nacl | openbsd | sol2* | unixware )
emacs_broken_SIGIO=yes
;;
esac
-dnl If the system's imake configuration file defines `NeedWidePrototypes'
-dnl as `NO', we must define NARROWPROTO manually. Such a define is
-dnl generated in the Makefile generated by `xmkmf'. If we don't define
+dnl If the system's imake configuration file defines 'NeedWidePrototypes'
+dnl as 'NO', we must define NARROWPROTO manually. Such a define is
+dnl generated in the Makefile generated by 'xmkmf'. If we don't define
dnl NARROWPROTO, we will see the wrong function prototypes for X functions
dnl taking float or double parameters.
case $opsys in
cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
- file defines `NeedWidePrototypes' as `NO'.])
+ file defines 'NeedWidePrototypes' as 'NO'.])
;;
esac
AC_DEFINE(FIRST_PTY_LETTER, ['p'])
;;
- gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
+ gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | nacl )
dnl if HAVE_GRANTPT
if test "x$ac_cv_func_grantpt" = xyes; then
AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
fi
# We need all of these features to handle C stack overflows.
-if test "$ac_cv_header_sys_resource_h" = "yes" -a \
- "$ac_cv_func_getrlimit" = "yes" -a \
- "$emacs_cv_func_sigsetjmp" = "yes" -a \
- "$emacs_cv_alternate_stack" = yes; then
+if test "$ac_cv_header_sys_resource_h" = "yes" &&
+ test "$ac_cv_func_getrlimit" = "yes" &&
+ test "$emacs_cv_func_sigsetjmp" = "yes" &&
+ test "$emacs_cv_alternate_stack" = yes; then
AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
[Define to 1 if C stack overflow can be handled in some cases.])
fi
AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
[case $opsys in
- aix4-2)
+ aix4-2 | nacl)
dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
emacs_cv_usable_FIONREAD=no
;;
XMENU_OBJ=xmenu.o
XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
FONT_OBJ=xfont.o
- if test "$HAVE_XFT" = "yes"; then
+ if test "$USE_CAIRO" = "yes"; then
+ FONT_OBJ="ftfont.o ftcrfont.o"
+ elif test "$HAVE_XFT" = "yes"; then
FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
elif test "$HAVE_FREETYPE" = "yes"; then
FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
[emacs_cv_struct_alignment],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <stddef.h>
- struct __attribute__ ((aligned (8))) s { char c; };
- struct t { char c; struct s s; };
+ struct __attribute__ ((aligned (8))) s { char c; };
+ struct t { char c; struct s s; };
char verify[offsetof (struct t, s) == 8 ? 1 : -1];
]])],
[emacs_cv_struct_alignment=yes],
esac
;;
- openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
-
*) LD_SWITCH_SYSTEM_TEMACS= ;;
esac
+# -nopie fixes a temacs segfault on Gentoo, OpenBSD, and other systems
+# with "hardened" GCC configurations for some reason (Bug#18784).
+# We don't know why -nopie works, but not segfaulting is better than
+# segfaulting. Use ac_c_werror_flag=yes when trying -nopie, otherwise
+# clang keeps warning that it does not understand -nopie, and pre-4.6
+# GCC has a similar problem (Bug#20338).
+AC_CACHE_CHECK([whether $CC accepts -nopie],
+ [emacs_cv_prog_cc_nopie],
+ [emacs_save_c_werror_flag=$ac_c_werror_flag
+ emacs_save_LDFLAGS=$LDFLAGS
+ ac_c_werror_flag=yes
+ LDFLAGS="$LDFLAGS -nopie"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+ [emacs_cv_prog_cc_nopie=yes],
+ [emacs_cv_prog_cc_nopie=no])
+ ac_c_werror_flag=$emacs_save_c_werror_flag
+ LDFLAGS=$emacs_save_LDFLAGS])
+if test "$emacs_cv_prog_cc_nopie" = yes; then
+ LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie"
+fi
+
if test x$ac_enable_profiling != x ; then
case $opsys in
*freebsd | gnu-linux) ;;
fi
echo "
-Configured for \`${canonical}'.
+Configured for '${canonical}'.
Where should the build process find the source code? ${srcdir}
What compiler should emacs be built with? ${CC} ${CFLAGS}
echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
+echo " Does Emacs use cairo? ${USE_CAIRO}"
echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
echo " Does Emacs support sound? ${HAVE_SOUND}"
dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
-dnl (else you get "no `Makefile.am' found for any configure output").
+dnl (else you get "no 'Makefile.am' found for any configure output").
dnl This will work, but you get a config.status that is not quite right
dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
dnl That doesn't have any obvious consequences for Emacs, but on the whole
dnl The admin/ directory used to be excluded from tarfiles.
if test -d $srcdir/admin; then
- SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
+ SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
+ AC_CONFIG_FILES([admin/charsets/Makefile])
AC_CONFIG_FILES([admin/unidata/Makefile])
AC_CONFIG_FILES([admin/grammars/Makefile])
fi dnl -d admin
dnl One reason is that the various paths are not fully expanded (see above);
dnl eg gamedir=${prefix}/var/games/emacs.
dnl Secondly, the GNU Coding standards require that one should be able
-dnl to run `make prefix=/some/where/else' and override the values set
-dnl by configure. This also explains the `move-if-change' test and
-dnl the use of force in the `epaths-force' rule in Makefile.in.
+dnl to run 'make prefix=/some/where/else' and override the values set
+dnl by configure. This also explains the 'move-if-change' test and
+dnl the use of force in the 'epaths-force' rule in Makefile.in.
AC_CONFIG_COMMANDS([src/epaths.h], [
if test "${opsys}" = "mingw32"; then
${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32