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 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 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.
dnl Add some environment variables, if they were passed via the environment
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=${with_xpm+set}
OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
-## This might be a 'configure' arg, e.g., autogen.sh might set it.
+## This might be a 'configure' arg.
AC_SUBST([ACLOCAL_PATH])
## Makefile.in needs the cache file name.
AC_ARG_ENABLE(checking,
[AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
- [enable expensive run-time checks. With LIST,
- enable only specific categories of checks.
- Categories are: all,yes,no.
- Flags are: stringbytes, stringoverrun, stringfreelist,
- xmallocoverrun, conslist, glyphs])],
+ [enable expensive run-time checks])]
[ac_checking_flags="${enableval}"],[])
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
for check in $ac_checking_flags
case $check in
# these set all the flags to specific states
yes) ac_enable_checking=1 ;;
- no) ac_enable_checking= ;
- ac_gc_check_stringbytes= ;
- ac_gc_check_string_overrun= ;
- ac_gc_check_string_free_list= ;
- ac_xmalloc_overrun= ;
- 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_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 ;;
+ all) ac_enable_checking=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
done
AC_DEFINE(ENABLE_CHECKING, 1,
[Define to 1 if expensive run-time data type and consistency checks are enabled.])
fi
-if test x$ac_gc_check_stringbytes != x ; then
- AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
-[Define this temporarily to hunt a bug. If defined, the size of
- strings is redundantly recorded in sdata structures so that it can
- be compared to the sizes recorded in Lisp strings.])
-fi
-if test x$ac_gc_check_string_overrun != x ; then
- AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
-[Define this to check for short string overrun.])
-fi
-if test x$ac_gc_check_string_free_list != x ; then
- AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
-[Define this to check the string free list.])
-fi
-if test x$ac_xmalloc_overrun != x ; then
- AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
-[Define this to check for malloc buffer overrun.])
-fi
-if test x$ac_gc_check_cons_list != x ; then
- AC_DEFINE(GC_CHECK_CONS_LIST, 1,
-[Define this to check for errors in cons list.])
-fi
-if test x$ac_glyphs_debug != x ; then
- AC_DEFINE(GLYPH_DEBUG, 1,
-[Define this to enable glyphs debugging code.])
-fi
AC_ARG_ENABLE(check-lisp-object-type,
[AS_HELP_STRING([--enable-check-lisp-object-type],
[Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
[ac_enable_gtk_deprecation_warnings="${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.
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
;;
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
fi
-AC_MSG_CHECKING([whether we are using GNU Make])
-testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
-if test "x$testval" != x; then
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
- AC_MSG_ERROR([Building Emacs requires GNU make.
-If you have it installed under another name, configure with 'MAKE=...'.
-For example, run './configure MAKE=gmake'.])
-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.
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
AC_ARG_ENABLE(link-time-optimization,
[AS_HELP_STRING([--enable-link-time-optimization],
[build emacs with link-time optimization.
- This is supported for gcc since 4.5.0 and clang.
- Note that clang support is experimental - see INSTALL])],
+ 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
# 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)
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.
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 $opsys = mingw32; then
DOCMISC_W32=efaq-w32
else
dnl The function dump-emacs will not be defined and temacs will do
dnl (load "loadup") automatically unless told otherwise.
-test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
-case "$opsys" in
- your-opsys-here) CANNOT_DUMP=yes ;;
-esac
-
-if test "$CANNOT_DUMP" = "yes"; then
- AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
-elif test "$emacs_cv_sanitize_address" = yes; then
- AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
-fi
-
-AC_SUBST(CANNOT_DUMP)
-
+AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
+AC_SUBST(CANNOT_DUMP, yes)
UNEXEC_OBJ=unexelf.o
case "$opsys" in
CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
fi
-# Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
+# Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
AC_DEFUN([AC_TYPE_SIZE_T])
# Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
AC_DEFUN([AC_TYPE_UID_T])
AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
[The type of system you are compiling for; sets `system-type'.])
-m4_pattern_forbid([^PKG_])
-
-AC_ARG_VAR(PKG_CONFIG_PATH, [Colon-separated list of directories
-searched by pkg-config])
pre_PKG_CONFIG_CFLAGS=$CFLAGS
pre_PKG_CONFIG_LIBS=$LIBS
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 works around older pkg-config bugs and
-dnl it postprocesses CFLAGS as needed for --enable-gcc-warnings.
+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],
- [dnl pkg-config before 0.26 doesn't check exit status properly; see:
- dnl https://bugs.freedesktop.org/show_bug.cgi?id=29801
- dnl Work around the bug by checking the status ourselves.
- emacs_check_module_ok=false
- AS_IF([test -n "$PKG_CONFIG" &&
- { $PKG_CONFIG --atleast-pkgconfig-version 0.26 ||
- { $PKG_CONFIG --cflags "$2" && $PKG_CONFIG --libs "$2"; }
- } >/dev/null 2>&AS_MESSAGE_LOG_FD],
- [PKG_CHECK_MODULES([$1], [$2],
- [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
- emacs_check_module_ok=:],
- [:])])
- if $emacs_check_module_ok; then
- m4_default([$3], [HAVE_$1=yes])
- else
- m4_default([$4], [HAVE_$1=no])
- fi])
+ [PKG_CHECK_MODULES([$1], [$2],
+ [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
+ m4_default([$3], [HAVE_$1=yes])],
+ [m4_default([$4], [HAVE_$1=no])])])
+
+PKG_CHECK_MODULES([GUILE], [guile-2.2])
+AC_SUBST(GUILE_CFLAGS)
+AC_SUBST(GUILE_LIBS)
+
+AC_PATH_PROG(GUILE_SNARF, guile-snarf, no)
+if test "$GUILE_SNARF" = "no"; then
+ AC_MSG_ERROR([guile-snarf not found])
+fi
HAVE_SOUND=no
+
if test "${with_sound}" != "no"; then
# Sound support for GNU/Linux, the free BSDs, and MinGW.
AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
dnl AC_C_BIGENDIAN is done by gnulib.
dnl check for Make feature
-dnl AC_PROG_MAKE_SET is done by Automake.
DEPFLAGS=
MKDEPDIR=":"
deps_frag=autodeps.mk
fi
fi
+lwlib_deps_frag=$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
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
OLD_LIBS=$LIBS
AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
[AC_DEFINE([HAVE_PTHREAD], [1],
- [Define to 1 if you have pthread (-lpthread).])])
- if test "X$LIBS" != "X$OLD_LIBS"; then
+ [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=$OLD_LIBS
fi
AC_SUBST([LIB_PTHREAD])
+fi
dnl Check for need for bigtoc support on IBM AIX
### Start of font-backend (under X11) section.
if test "${HAVE_X11}" = "yes"; then
- EMACS_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
EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
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,$LUCID_LIBW" = aix4-2,-lXaw; then
+ dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
+ LIBXPM=-lXpm
fi
fi
# mingw32 loads the library dynamically.
if test "$opsys" = mingw32; then
AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
- elif png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
- png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD`
- then
- HAVE_PNG=yes
- PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
- LIBPNG=$png_libs
- else
- # libpng-config does not work; configure by hand.
- # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
- # in /usr/include/libpng.
- AC_CHECK_HEADERS([png.h libpng/png.h],
- [AC_CHECK_LIB([png], [png_get_channels],
- [HAVE_PNG=yes
- LIBPNG='-lpng'
- if test "$ac_cv_header_png_h" != yes; then
- PNG_CFLAGS=-I/usr/include/libpng
- fi
- break],
- [], [-lz -lm])])
- fi
- # $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"
+ 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 $HAVE_PNG = yes; then
AC_SUBST(BLESSMAIL_TARGET)
OLD_LIBS=$LIBS
-LIBS="$LIB_MATH $LIBS"
+LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
AC_CHECK_FUNCS(accept4 gethostname \
getrusage get_current_dir_name \
lrand48 random rint \
select getpagesize setlocale \
getrlimit setrlimit shutdown getaddrinfo \
-strsignal setitimer \
+pthread_sigmask strsignal setitimer \
sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
-gai_strerror getline getdelim sync \
+gai_strerror sync \
getpwent endpwent getgrent endgrent \
cfmakeraw cfsetspeed copysign __executable_start log2)
LIBS=$OLD_LIBS
[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)
else
case $opsys in
dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
- dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
+ aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
AC_DEFINE(GC_SETJMP_WORKS, 1)
;;
esac
#endif
])
+# If user asks to omit features, disable optional features that gnulib
+# might otherwise enable.
+if test "$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
${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'.])
HCoop / bpt / emacs.git / blobdiff