### from the file `./configure.in'.
### To rebuild it, execute the command
### autoconf
-### in the this directory. You must have autoconf version 2.12 or later.
+### in the this directory. You must have autoconf version 2.13 or later.
### This file is part of XEmacs.
dnl We use the m4 quoting characters [ ] (as established by the
dnl autoconf system), so quote them like this: [[foo]]
-AC_PREREQ(2.12)dnl
+AC_PREREQ(2.13)dnl
dnl Redefine some standard autoconf macros
dnl here is how XEmacs is different:
dnl - no cache file
with_widgets=''
with_dialogs=''
with_file_coding=''
-dnl const_is_losing is removed - we rely on AC_C_CONST instead.
-dnl We accept (and ignore) the --const-is-losing option for compatibility.
-dnl const_is_losing='yes'
cpp='' cppflags='' libs='' ldflags=''
dynamic=''
with_x11=''
external_widget | \
verbose | \
extra_verbose | \
- const_is_losing | \
usage_tracking | \
use_union_type | \
pdump | \
"use_minimal_tagbits" | \
"use_indexed_lrecord_implementation" | \
"run_in_place" | \
+ "const_is_losing" | \
"with_gnu_make" )
AC_MSG_WARN([Obsolete option \`--$optname' ignored.])
;;
m68*-sony-* ) machine=news ;;
mips-sony-* ) machine=news-risc ;;
clipper-* ) machine=clipper ;;
- arm-* ) machine=arm ;;
- armv[34][lb]-* ) machine=arm ;;
+ arm* ) machine=arm ;;
ns32k-* ) machine=ns32000 ;;
esac
AC_PROG_CPP
-AC_AIX
+dnl --------------------------------------------------------------------
+dnl Compiler feature macros
+dnl --------------------------------------------------------------------
+
+dnl We want feature macros defined here and in config.h.in, so that
+dnl the compilation environment at configure time and compile time agree.
+
+AC_AIX dnl Defines _ALL_SOURCE on AIX.
AC_MSG_CHECKING(for GNU libc)
AC_TRY_COMPILE([#include <features.h>],[
dnl Well. then why not fix fucking pop?
test "$have_glibc" = "yes" && AC_DEFINE(_GNU_SOURCE)
+dnl We'd like to use vendor extensions, where available.
+dnl We'd like to use functions from the latest Unix98 standards.
+dnl See http://www.opengroup.org/onlinepubs/007908799/xsh/compilation.html
+case "$opsys" in
+ sol2)
+ AC_DEFINE(__EXTENSIONS__)
+ dnl Solaris 2 before 2.5 had some bugs with feature test macro interaction.
+ if test "$os_release" -ge 55; then
+ AC_DEFINE(_XOPEN_SOURCE,500)
+ AC_DEFINE(_XOPEN_SOURCE_EXTENDED)
+ fi ;;
+ linux)
+ AC_DEFINE(_POSIX_C_SOURCE,199506L)
+ AC_DEFINE(_XOPEN_SOURCE,500)
+ AC_DEFINE(_XOPEN_SOURCE_EXTENDED)
+ ;;
+esac
dnl Identify compilers to enable compiler-specific hacks.
dnl Add support for other compilers HERE!
fi
fi
+dnl Search for GCC specific build problems we know about
+if test "$GCC" = "yes"; then
+AC_MSG_CHECKING(for buggy gcc versions)
+GCC_VERSION=`$CC --version`
+case `uname -s`:`uname -m`:$GCC_VERSION in
+ dnl egcs 2.90.21 (egcs-1.00 release)
+ dnl egcs 2.90.29 (egcs-1.0.3 release)
+ *:sun4*:2.8.1|*:sun4*:egcs-2.90.*)
+ dnl Don't use -O2 with gcc 2.8.1 and egcs 1.0 under SPARC architectures
+ dnl without also using `-fno-schedule-insns'.
+ case "$CFLAGS" in
+ *-O2*|*-O3*)
+ case "$CFLAGS" in
+ *-fno-schedule-insns*) ;;
+ *)
+ AC_MSG_RESULT(Yes)
+ AC_MSG_WARN(Don't use -O2 with gcc 2.8.1 and egcs 1.0 under SPARC architectures)
+ AC_MSG_WARN(without also using -fno-schedule-insns.)
+ AC_MSG_ERROR(Aborting due to known problem)
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ dnl egcs-2.91.57 (egcs-1.1 release)
+ dnl egcs-2.91.66 (egcs-1.1.2 release)
+ Linux:alpha:egcs-2.91.*)
+ AC_MSG_RESULT(Yes)
+ AC_MSG_WARN(There have been reports of egcs-1.1 not compiling XEmacs correctly on)
+ AC_MSG_WARN(Alpha Linux. There have also been reports that egcs-1.0.3a is O.K.)
+ AC_MSG_ERROR(Aborting due to known problem)
+ ;;
+ *:i*86*:2.7.2*)
+ case "$GCC_VERSION" in
+ 2.7.2)
+ case "$CFLAGS" in
+ *-O2*|*-O3*)
+ case "$CFLAGS" in
+ *-fno-strength-reduce*) ;;
+ *)
+ AC_MSG_RESULT(Yes)
+ AC_MSG_WARN(Don't use -O2 with gcc 2.7.2 under Intel/XXX without also using)
+ AC_MSG_WARN(-fno-strength-reduce.)
+ AC_MSG_ERROR(Aborting due to known problem)
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ case "$CFLAGS" in
+ *-fno-caller-saves*) ;;
+ *)
+ AC_MSG_RESULT(Yes)
+ AC_MSG_WARN(Don't use -O2 with gcc 2.7.2 under Intel/XXX without also using)
+ AC_MSG_WARN(-fno-caller-saves.)
+ AC_MSG_ERROR(Aborting due to known problem)
+ ;;
+ esac
+ ;;
+esac
+fi
+AC_MSG_RESULT(No)
+
dnl Inform compiler that certain flags are meant for the linker
dnl XE_PROTECT_LINKER_FLAGS(shell_var)
define([XE_PROTECT_LINKER_FLAGS], [
AC_PROG_YACC
dnl checks for header files
-AC_CHECK_HEADERS(mach/mach.h sys/stropts.h sys/timeb.h sys/time.h unistd.h)
-AC_CHECK_HEADERS(utime.h locale.h libgen.h fcntl.h ulimit.h cygwin/version.h)
-AC_CHECK_HEADERS(kstat.h sys/pstat.h inttypes.h sys/un.h a.out.h)
+AC_CHECK_HEADERS(dnl
+ a.out.h dnl
+ cygwin/version.h dnl
+ fcntl.h dnl
+ inttypes.h dnl
+ libgen.h dnl
+ locale.h dnl
+ mach/mach.h dnl
+ sys/param.h dnl
+ sys/pstat.h dnl
+ sys/stropts.h dnl
+ sys/time.h dnl
+ sys/timeb.h dnl
+ sys/un.h dnl
+ kstat.h dnl
+ ulimit.h dnl
+ unistd.h dnl
+ utime.h dnl
+)
AC_HEADER_SYS_WAIT
AC_HEADER_STDC
AC_HEADER_TIME
fi
dnl Link with "-z ignore" on Solaris if supported
-if test "$opsys" = "sol2" && test "$OS_RELEASE" -ge 56; then
- AC_MSG_CHECKING(for \"-z ignore\" linker flag)
- case "`ld -h 2>&1`" in
- *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
- XE_PREPEND(-z ignore, ld_switch_site) ;;
- *) AC_MSG_RESULT(no) ;;
- esac
+if test "$opsys" = "sol2"; then
+ if test "$os_release" -ge 56; then
+ AC_MSG_CHECKING(for \"-z ignore\" linker flag)
+ case "`ld -h 2>&1`" in
+ *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
+ XE_PREPEND(-z ignore, ld_switch_site) ;;
+ *) AC_MSG_RESULT(no) ;;
+ esac
+ fi
fi
dnl ----------------------
AC_MSG_RESULT(R${x11_release})
AC_DEFINE_UNQUOTED(THIS_IS_X11R${x11_release})
+ AC_CHECK_FUNCS(XConvertCase)
+
AC_CHECK_HEADERS(X11/Xlocale.h)
dnl remove this - we should avoid checking for specific OS
AC_TRY_RUN([#include <fcntl.h>
int main() { return (open("/dev/windows", O_RDONLY, 0) > 0)? 0 : 1; }],
[AC_DEFINE(HAVE_MSG_SELECT)])
- const_is_losing=no
with_file_coding=yes
XE_ADD_OBJS(console-msw.o device-msw.o event-msw.o frame-msw.o objects-msw.o select-msw.o redisplay-msw.o glyphs-msw.o gui-msw.o)
fi
if test -z "$with_xpm"; then
AC_MSG_CHECKING(for Xpm - no older than 3.4f)
xe_check_libs=-lXpm
- AC_TRY_RUN([#include <X11/xpm.h>
+ AC_TRY_RUN([#define XPM_NUMBERS
+#include <X11/xpm.h>
int main(int c, char **v) {
return c == 1 ? 0 :
XpmIncludeVersion != XpmLibraryVersion() ? 1 :
],
[
struct timeval time;
- struct timezone dummy;
- gettimeofday (&time, &dummy);
+ gettimeofday (&time, 0);
],
[AC_MSG_RESULT(two)],
[AC_MSG_RESULT(one)
dnl rel_alloc requires either GNU malloc or system malloc with mmap
dnl We only turn rel_alloc on by default if mmap is available.
-test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && rel_alloc=no
-test "$rel_alloc" = "default" -a "$have_mmap" = "yes" && rel_alloc=yes
+test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && rel_alloc=no
+if test "$rel_alloc $have_mmap" = "default yes"; then
+ if test "$doug_lea_malloc" = "yes"; then
+ dnl Check if malloc() calls mmap(), making rel_alloc pointless.
+ AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
+ AC_TRY_COMPILE([#include <malloc.h>],[
+#ifndef M_MMAP_THRESHOLD
+#error No M_MMAP_THRESHOLD :-(
+!@+$%^&*_)(_ - unlikely to compile...
+#endif
+], [rel_alloc=no; AC_MSG_RESULT(yes);], [rel_alloc=yes; AC_MSG_RESULT(no);])
+ else
+ rel_alloc=yes
+ fi
+fi
test "$rel_alloc" = "yes" && AC_DEFINE(REL_ALLOC)
dnl Check for terminal I/O variants
if test "$with_database_berkdb" != "no"; then
AC_MSG_CHECKING(for Berkeley db.h)
for path in "db/db.h" "db.h"; do
- AC_TRY_COMPILE([#ifdef HAVE_INTTYPES_H
+ AC_TRY_COMPILE([
+#include <stdlib.h>
+#if !(defined __GLIBC__ && __GLIBC_MINOR__ >= 1)
+#ifdef HAVE_INTTYPES_H
#define __BIT_TYPES_DEFINED__
#include <inttypes.h>
typedef uint8_t u_int8_t;
typedef uint64_t u_int64_t;
#endif
#endif
+#endif
#include <$path>
],[], db_h_path="$path"; break)
done
test "$GCC" = "yes" && AC_DEFINE(USE_GCC)
test "$external_widget" = "yes" && AC_DEFINE(EXTERNAL_WIDGET)
test "$no_doc_file" = "yes" && AC_DEFINE(NO_DOC_FILE)
-dnl test "$const_is_losing" = "yes" && AC_DEFINE(CONST_IS_LOSING)
test "$with_purify" = "yes" && AC_DEFINE(PURIFY)
test "$with_quantify" = "yes" && AC_DEFINE(QUANTIFY)
test "$with_pop" = "yes" && AC_DEFINE(MAIL_USE_POP)
projects / chise / xemacs-chise.git / blobdiff