dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
AC_PREREQ(2.65)
-AC_INIT(emacs, 24.3.50)
+AC_INIT(emacs, 24.3.92)
dnl We get MINGW64 with MSYS2
if test "x$MSYSTEM" = "xMINGW32" -o "x$MSYSTEM" = "xMINGW64"
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])
;;
## OpenBSD ports
- *-*-openbsd* )
+ *-*-openbsd* | *-*-mirbsd* )
opsys=openbsd
;;
rs6000-ibm-aix[56]* )
opsys=aix4-2
;;
- powerpc-ibm-aix[56]* )
+ powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
opsys=aix4-2
;;
dnl quotation ends
if test $unported = yes; then
- AC_MSG_ERROR([Emacs does not support building on `${canonical}' systems.
+ AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
If you think it should, please send a report to bug-gnu-emacs@gnu.org.
Check `etc/MACHINES' for recognized configuration names.])
fi
AC_ARG_ENABLE(link-time-optimization,
[AS_HELP_STRING([--enable-link-time-optimization],
[build emacs with link-time optimization.
- This is supported only for GCC since 4.5.0.])],
+ This requires GCC 4.5.0 or later.
+ It also makes Emacs harder to debug, and when we tried it
+ with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
+ recommended for typical use.])],
if test "${enableval}" != "no"; then
AC_MSG_CHECKING([whether link-time optimization is supported])
ac_lto_supported=no
AC_MSG_RESULT([$ac_lto_supported])
if test "$ac_lto_supported" = "yes"; then
CFLAGS="$CFLAGS $LTO"
+ dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
+ dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
+ dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
+ dnl dump core on Fedora 20, so play it safe for now.
+ gl_COMPILER_OPTION_IF([-ffat-lto-objects],
+ [CFLAGS="$CFLAGS -ffat-lto-objects"])
fi
fi)
-# 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.
-AC_DEFUN([gl_GCC_VERSION_IFELSE],
- [AC_PREPROC_IFELSE(
- [AC_LANG_PROGRAM(
- [[
-#if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
-/* ok */
-#else
-# error "your version of gcc is older than $1.$2"
-#endif
- ]]),
- ], [$3], [$4])
- ]
-)
-
# clang is unduly picky about some things.
AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#ifndef __clang__
- #error "not clang"
+ error "not clang";
#endif
]])],
[emacs_cv_clang=yes],
AC_SUBST([GNULIB_WARN_CFLAGS])
fi
+edit_cflags="
+ s,///*,/,g
+ s/^/ /
+ s/ -I/ $isystem/g
+ s/^ //
+"
dnl Some other nice autoconf tests.
LN_S_FILEONLY='cp -p'
+dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
+dnl random program in the current directory.
if (echo >conf$$.file) 2>/dev/null; then
if ln -s conf$$.file conf$$ 2>/dev/null; then
- LN_S_FILEONLY='ln -s'
+ if test "$opsys" = "mingw32"; then
+ LN_S_FILEONLY='/bin/ln -s'
+ else
+ LN_S_FILEONLY='ln -s'
+ fi
elif ln conf$$.file conf$$ 2>/dev/null; then
- LN_S_FILEONLY=ln
+ if test "$opsys" = "mingw32"; then
+ LN_S_FILEONLY=/bin/ln
+ else
+ LN_S_FILEONLY=ln
+ fi
fi
fi
dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
dnl for more details.
if test "$opsys" = "mingw32"; then
- LN_S="ln"
+ LN_S="/bin/ln"
fi
+dnl On some Debian versions, "install-info" prints irritating messages
+dnl "This is not dpkg install-info anymore, but GNU install-info"
+dnl if called via an absolute file name.
+dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
+dnl Sadly some people may have an old ginstall-info installed on
+dnl non-Debian systems, so we can't use this.
+dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
+dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
+
AC_PATH_PROG(INSTALL_INFO, install-info, :,
$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
dnl Don't use GZIP, which is used by gzip for additional parameters.
#endif
#if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
#else
- #error "Addresses are not sanitized."
+ error "Addresses are not sanitized.";
#endif
]])],
[emacs_cv_sanitize_address=yes],
if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
$1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
$1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
- edit_cflags="
- s,///*,/,g
- s/^/ /
- s/ -I/ $isystem/g
- s/^ //
- "
$1_CFLAGS=`AS_ECHO(["$$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'])
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
; /* OK */
#else
-#error "OSX 10.4 or newer required"
+ error "OSX 10.4 or newer required";
#endif
#endif
])],
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
; /* OK */
#else
-#error "OSX 10.5 not found"
+ error "OSX 10.5 not found";
#endif
#endif
])],
x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
*) EMACS_MANIFEST="emacs-x86.manifest" ;;
esac
- UPDATE_MANIFEST=update-game-score.exe.manifest
if test "${opsys}" = "cygwin"; then
W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
# the rc file), not a linker script.
W32_RES_LINK="-Wl,emacs.res"
else
+ UPDATE_MANIFEST=update-game-score.exe.manifest
W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
LIBS="$LIB_PTHREAD $LIBS" ;;
esac
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 $opsys in
+ sol*)
+ AC_DEFINE([_REENTRANT], 1,
+ [Define to 1 if your system requires this in multithreaded code.]);;
+ aix4-2)
+ AC_DEFINE([_THREAD_SAFE], 1,
+ [Define to 1 if your system requires this in multithreaded code.]);;
+ esac
fi
AC_SUBST([LIB_PTHREAD])
HAVE_IMAGEMAGICK=no
if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
if test "${with_imagemagick}" != "no"; then
- ## 6.2.8 is the earliest version known to work, but earlier versions
- ## might work - let us know if you find one.
- ## 6.0.7 does not work. See bug#7955.
+ ## 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 >= 6.2.8 Wand != 6.8.2"
+ IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
AC_SUBST(IMAGEMAGICK_CFLAGS)
AC_SUBST(IMAGEMAGICK_LIBS)
if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
if test "$HAVE_GSETTINGS" = "yes"; then
- AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
- SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
- SETTINGS_LIBS="$GSETTINGS_LIBS"
+ old_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
+ old_LIBS=$LIBS
+ LIBS="$LIBS $GSETTINGS_LIBS"
+ AC_MSG_CHECKING([whether GSettings is in gio])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[/* Check that gsettings really is present. */
+ #include <glib-object.h>
+ #include <gio/gio.h>
+ ]],
+ [[
+ GSettings *settings;
+ GVariant *val = g_settings_get_value (settings, "");
+ ]])],
+ [], HAVE_GSETTINGS=no)
+ AC_MSG_RESULT([$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="$GSETTINGS_LIBS"
+ fi
+ CFLAGS=$old_CFLAGS
+ LIBS=$old_LIBS
fi
fi
# Windows loads GnuTLS dynamically
if test "${opsys}" = "mingw32"; then
LIBGNUTLS_LIBS=
- else
- CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
- LIBS="$LIBGNUTLS_LIBS $LIBS"
fi
fi
fi
if test "${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
if test "${HAVE_PNG}" = "yes"; then
- AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
- LIBPNG="-lpng -lz -lm"
+ 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,
[],
dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
dnl Emacs uses.
XGSELOBJ=
+OLDCFLAGS="$CFLAGS"
+OLDLIBS="$LIBS"
+CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
+LIBS="$LIBS $GFILENOTIFY_LIBS"
AC_MSG_CHECKING([whether GLib is linked in])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <glib.h>
XGSELOBJ=xgselect.o
fi
fi
+CFLAGS="$OLDCFLAGS"
+LIBS="$OLDLIBS"
AC_SUBST(XGSELOBJ)
dnl Adapted from Haible's version.
else
case $opsys in
dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
- dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
+ aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
AC_DEFINE(GC_SETJMP_WORKS, 1)
;;
esac
echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
-echo " Does Emacs use -lpng? ${HAVE_PNG}"
+echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
HCoop / bpt / emacs.git / blobdiff