X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/139f528442726be5160120fb13e68240982de92f..34dc21db6e57ebbad81a196002fcd3cc557f096e:/configure.ac
diff --git a/configure.ac b/configure.ac
index 41258fcb7a..326d52897b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ dnl autoconf
dnl in the directory containing this script.
dnl If you changed any AC_DEFINES, also run autoheader.
dnl
-dnl Copyright (C) 1994-1996, 1999-2013 Free Software Foundation, Inc.
+dnl Copyright (C) 1994-1996, 1999-2014 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Emacs.
dnl
@@ -24,7 +24,21 @@ dnl along with GNU Emacs. If not, see .
AC_PREREQ(2.65)
AC_INIT(emacs, 24.3.50)
-test "x$MSYSTEM" = "xMINGW32" && . $srcdir/nt/mingw-cfg.site
+dnl We get MINGW64 with MSYS2
+if test "x$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.
@@ -65,9 +79,25 @@ for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
optsep=' '
done
-AC_CONFIG_HEADER(src/config.h:src/config.in)
+AC_CONFIG_HEADERS(src/config.h:src/config.in)
AC_CONFIG_SRCDIR(src/lisp.h)
AC_CONFIG_AUX_DIR(build-aux)
+
+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.
+ AC_CHECK_PROG([MAKE_PROG], [make], [yes])
+ if test -z "$MAKE_PROG"; then
+ MAKE="$XCRUN MAKE"
+ export MAKE
+ xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
+ fi
+ fi
+fi
+
dnl Fairly arbitrary, older versions might work too.
AM_INIT_AUTOMAKE(1.11)
@@ -593,6 +623,18 @@ case "${canonical}" in
esac
;;
+ # MinGW64
+ x86_64-*-* )
+ case "${canonical}" in
+ *-mingw32 )
+ opsys=mingw32
+ # MinGW overrides and adds some system headers in nt/inc.
+ GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
+ ;;
+ ## Otherwise, we'll fall through to the generic opsys code at the bottom.
+ esac
+ ;;
+
* )
unported=yes
;;
@@ -625,7 +667,12 @@ fi
#### Choose a compiler.
dnl Sets GCC=yes if using gcc.
-AC_PROG_CC
+AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
+if test -n "$XCRUN"; then
+ AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
+ test -n "$AR" && export AR
+fi
+
AM_PROG_CC_C_O
if test x$GCC = xyes; then
@@ -942,6 +989,24 @@ if test $opsys = gnu-linux; then
[if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
else AC_MSG_RESULT(no); PAXCTL=""; fi])
fi
+
+ if test "${SETFATTR+set}" != set; then
+ AC_CACHE_CHECK([for setfattr],
+ [emacs_cv_prog_setfattr],
+ [touch conftest.tmp
+ if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
+ emacs_cv_prog_setfattr=yes
+ else
+ emacs_cv_prog_setfattr=no
+ fi])
+ if test "$emacs_cv_prog_setfattr" = yes; then
+ SETFATTR=setfattr
+ else
+ SETFATTR=
+ fi
+ rm -f conftest.tmp
+ AC_SUBST([SETFATTR])
+ fi
fi
## Need makeinfo >= 4.7 (?) to build the manuals.
@@ -961,11 +1026,11 @@ fi
## pre-built, and not deleted by the normal clean rules. makeinfo is
## therefore in the category of "special tools" not normally required, which
## configure does not have to check for (eg autoconf itself).
-## In a Bazaar checkout on the other hand, the manuals are not included.
-## So makeinfo is a requirement to build from Bazaar, and configure
+## In a repository checkout on the other hand, the manuals are not included.
+## So makeinfo is a requirement to build from the repository, and configure
## should test for it as it does for any other build requirement.
## We use the presence of $srcdir/info/emacs to distinguish a release,
-## with pre-built manuals, from a Bazaar checkout.
+## with pre-built manuals, from a repository checkout.
HAVE_MAKEINFO=yes
if test "$MAKEINFO" = "no"; then
@@ -1035,6 +1100,21 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
LDFLAGS="$late_LDFLAGS"
+AC_CACHE_CHECK([whether addresses are sanitized],
+ [emacs_cv_sanitize_address],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#ifndef __has_feature
+ #define __has_feature(f) 0
+ #endif
+ #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
+ #else
+ #error "Addresses are not sanitized."
+ #endif
+ ]])],
+ [emacs_cv_sanitize_address=yes],
+ [emacs_cv_sanitize_address=no])])
+
dnl The function dump-emacs will not be defined and temacs will do
dnl (load "loadup") automatically unless told otherwise.
test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
@@ -1042,8 +1122,11 @@ case "$opsys" in
your-opsys-here) CANNOT_DUMP=yes ;;
esac
-test "$CANNOT_DUMP" = "yes" && \
+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)
@@ -1163,7 +1246,12 @@ C_SWITCH_SYSTEM=
## additional optimization. --nils@exp-math.uni-essen.de
test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
-test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
+if test "$opsys" = "mingw32"; then
+ case "$canonical" in
+ x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
+ *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
+ esac
+fi
## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
## It is redundant in glibc2, since we define _GNU_SOURCE.
AC_SUBST(C_SWITCH_SYSTEM)
@@ -1859,7 +1947,7 @@ if test "$window_system" = none && test "X$with_x" != "Xno"; then
test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
AC_MSG_ERROR([You seem to be running X, but no X development libraries
were found. You should install the relevant development files for X
-and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
+and for the toolkit you want, such as Gtk+ or Motif. Also make
sure you have development files for image handling, i.e.
tiff, gif, jpeg, png and xpm.
If you are sure you want Emacs compiled without X window support, pass
@@ -1875,20 +1963,21 @@ GNU_MALLOC=yes
AC_CACHE_CHECK(
[whether malloc is Doug Lea style],
[emacs_cv_var_doug_lea_malloc],
- [AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include
- static void hook (void) {}]],
- [[malloc_set_state (malloc_get_state ());
- __after_morecore_hook = hook;
- __malloc_initialize_hook = hook;]])],
- [emacs_cv_var_doug_lea_malloc=yes],
- [emacs_cv_var_doug_lea_malloc=no])])
+ [emacs_cv_var_doug_lea_malloc=no
+ dnl Hooks do not work with address sanitization.
+ if test "$emacs_cv_sanitize_address" != yes; then
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include
+ static void hook (void) {}]],
+ [[malloc_set_state (malloc_get_state ());
+ __after_morecore_hook = hook;
+ __malloc_initialize_hook = hook;]])],
+ [emacs_cv_var_doug_lea_malloc=yes])])
+ fi
doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
-
-dnl See comments in aix4-2.h about maybe using system malloc there.
-system_malloc=no
+system_malloc=$emacs_cv_sanitize_address
case "$opsys" in
## darwin ld insists on the use of malloc routines in the System framework.
darwin|sol2-10) system_malloc=yes ;;
@@ -3243,14 +3332,14 @@ if test "${with_xml2}" != "no"; then
# Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
SAVE_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -I/usr/include/libxml2"
+ CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
AC_CHECK_HEADER(libxml/HTMLparser.h,
[AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
[#include ])])
CPPFLAGS="$SAVE_CPPFLAGS"
if test "${HAVE_LIBXML2}" = "yes"; then
+ LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
LIBXML2_LIBS="-lxml2"
- LIBXML2_CFLAGS="-I/usr/include/libxml2"
fi
fi
if test "${HAVE_LIBXML2}" = "yes"; then
@@ -3379,7 +3468,6 @@ getrlimit setrlimit shutdown getaddrinfo \
strsignal setitimer \
sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
gai_strerror getline getdelim sync \
-difftime \
getpwent endpwent getgrent endgrent \
touchlock \
cfmakeraw cfsetspeed copysign __executable_start log2)
@@ -4058,7 +4146,7 @@ case $opsys in
cygwin )
AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
dnl multi-line AC_DEFINEs are hard. :(
- AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (0)])
+ AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)])
AC_DEFINE(PTY_NAME_SPRINTF, [])
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
;;
@@ -4071,7 +4159,7 @@ case $opsys in
dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
dnl But we don't have to block SIGCHLD because it is blocked in the
dnl implementation of grantpt.
- AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
+ AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
AC_DEFINE(PTY_NAME_SPRINTF, [])
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
;;
@@ -4090,7 +4178,7 @@ case $opsys in
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname = 0; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); if (grantpt (fd) != -1 && unlockpt (fd) != -1) ptyname = ptsname(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (!ptyname) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
dnl if HAVE_POSIX_OPENPT
if test "x$ac_cv_func_posix_openpt" = xyes; then
- AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (0)])
+ AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
AC_DEFINE(PTY_NAME_SPRINTF, [])
dnl if HAVE_GETPT
elif test "x$ac_cv_func_getpt" = xyes; then
@@ -4223,7 +4311,7 @@ case $opsys in
# error "not ia64"
#endif
]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
- [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)],
+ [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
[Mark a secondary stack, like the register stack on the ia64.]), [])
;;
@@ -4481,7 +4569,7 @@ fi
version=$PACKAGE_VERSION
-copyright="Copyright (C) 2013 Free Software Foundation, Inc."
+copyright="Copyright (C) 2014 Free Software Foundation, Inc."
AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
[Short copyright string for this version of Emacs.])
AC_SUBST(copyright)
@@ -4749,7 +4837,7 @@ case "$opsys" in
## pass a different -entry switch to linker. FIXME: It is better
## to make the entry points the same by changing unexw32.c.
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,0x01000000 -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
;;
@@ -4798,7 +4886,7 @@ AC_SUBST(WINDOW_SYSTEM_OBJ)
AH_TOP([/* GNU Emacs site configuration template file.
-Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
+Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
Free Software Foundation, Inc.
This file is part of GNU Emacs.