OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
-OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system])
+OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
[enable make rules and dependencies not useful (and sometimes
confusing) to the casual installer])],
USE_MAINTAINER_MODE=$enableval,
- USE_MAINTAINER_MODE=no)
+ USE_MAINTAINER_MODE=yes)
if test $USE_MAINTAINER_MODE = yes; then
MAINT=
else
strings is redundantly recorded in sdata structures so that it can
be compared to the sizes recorded in Lisp strings.])
fi
-if test x$ac_gc_check_stringoverrun != x ; then
+if test x$ac_gc_check_string_overrun != x ; then
AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
[Define this to check for short string overrun.])
fi
test x"$CPP" = x; then
AC_MSG_CHECKING([whether we are using a Sun C compiler])
AC_CACHE_VAL(emacs_cv_sunpro_c,
- [AC_TRY_LINK([],
-[#ifndef __SUNPRO_C
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
+[[#ifndef __SUNPRO_C
fail;
#endif
-], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
+]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
AC_MSG_RESULT($emacs_cv_sunpro_c)
if test x"$emacs_cv_sunpro_c" = xyes; then
AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wdeclaration-after-statement"
-AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
if test $has_option = yes; then
C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
fi
AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wold-style-definition"
-AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
if test $has_option = yes; then
C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
fi
AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wimplicit-function-declaration"
-AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
if test $has_option = yes; then
C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
fi
CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
fi
+# Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
+AC_DEFUN([AC_TYPE_SIZE_T])
+
dnl Do this early because it can frob feature test macros for Unix-98 &c.
AC_SYS_LARGEFILE
SAVE_LDFLAGS="$LDFLAGS"
CFLAGS="$ALSA_CFLAGS $CFLAGS"
LDFLAGS="$ALSA_LIBS $LDFLAGS"
- AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
emacs_alsa_normal=yes,
emacs_alsa_normal=no)
if test "$emacs_alsa_normal" != yes; then
- AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
- [snd_lib_error_set_handler (0);],
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
+ [[snd_lib_error_set_handler (0);]])],
emacs_alsa_subdir=yes,
emacs_alsa_subdir=no)
if test "$emacs_alsa_subdir" != yes; then
sys/utsname.h pwd.h utmp.h dirent.h util.h)
AC_MSG_CHECKING(if personality LINUX32 can be set)
-AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
emacs_cv_personality_linux32=yes,
emacs_cv_personality_linux32=no)
AC_MSG_RESULT($emacs_cv_personality_linux32)
dnl Some systems have utime.h but don't declare the struct anyplace.
AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
-AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#endif
#ifdef HAVE_UTIME_H
#include <utime.h>
-#endif], [static struct utimbuf x; x.actime = x.modtime;],
+#endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
if test $emacs_cv_struct_utimbuf = yes; then
AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
fi
-dnl checks for typedefs
-AC_TYPE_SIGNAL
-
dnl Check for speed_t typedef.
AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
- [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
if test $emacs_cv_speed_t = yes; then
AC_DEFINE(HAVE_SPEED_T, 1,
fi
AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
-AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#else
#include <time.h>
#endif
-#endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
+#endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
HAVE_TIMEVAL=$emacs_cv_struct_timeval
if test $emacs_cv_struct_timeval = yes; then
fi
AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
-AC_TRY_COMPILE([#include <math.h>],
-[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
+[[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
HAVE_EXCEPTION=$emacs_cv_struct_exception
if test $emacs_cv_struct_exception != yes; then
AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
fi
-AC_CHECK_HEADERS(sys/socket.h)
AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
dnl the compiler groks `extern inline'.
dnl AC_C_INLINE
AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
- [AC_TRY_COMPILE(, [void * foo;],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
emacs_cv_void_star=yes, emacs_cv_void_star=no)])
if test $emacs_cv_void_star = yes; then
AC_DEFINE(POINTER_TYPE, void)
AC_MSG_CHECKING([whether gcc understands -MMD -MF])
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -MMD -MF deps.d"
- AC_TRY_COMPILE([], [], , ac_enable_autodepend=no)
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
CFLAGS="$SAVE_CFLAGS"
test -f deps.d || ac_enable_autodepend=no
rm -rf deps.d
DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
## In parallel builds, another make might create depdir between
## the first test and mkdir, so stick another test on the end.
- ## Or use mkinstalldirs? mkdir -p is not portable.
+ ## Or use install-sh -d? mkdir -p is not portable.
MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
deps_frag=autodeps.mk
fi
AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
AC_CACHE_CHECK(whether __after_morecore_hook exists,
emacs_cv_var___after_morecore_hook,
-[AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
emacs_cv_var___after_morecore_hook=yes,
emacs_cv_var___after_morecore_hook=no)])
if test $emacs_cv_var___after_morecore_hook = no; then
use_mmap_for_buffers=no
case "$opsys" in
- freebsd|irix6-5) use_mmap_for_buffers=yes ;;
+ cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
esac
AC_FUNC_MMAP
esac
LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
- AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
])
;;
esac
if test "${opsys}" = "gnu-linux"; then
AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
- AC_TRY_LINK([],
- [XOpenDisplay ("foo");],
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
+ [[XOpenDisplay ("foo");]])],
[xlinux_first_failure=no],
[xlinux_first_failure=yes])
if test "${xlinux_first_failure}" = "yes"; then
C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
LIBS="$LIBS -b i486-linuxaout"
- AC_TRY_LINK([],
- [XOpenDisplay ("foo");],
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
+ [[XOpenDisplay ("foo");]])],
[xlinux_second_failure=no],
[xlinux_second_failure=yes])
if test "${xlinux_second_failure}" = "yes"; then
# Reportedly, some broken Solaris systems have XKBlib.h but are missing
# header files included from there.
AC_MSG_CHECKING(for Xkb)
- AC_TRY_LINK([#include <X11/Xlib.h>
-#include <X11/XKBlib.h>],
- [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
+#include <X11/XKBlib.h>]],
+ [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
emacs_xkb=yes, emacs_xkb=no)
AC_MSG_RESULT($emacs_xkb)
if test $emacs_xkb = yes; then
if test "${window_system}" = "x11"; then
AC_MSG_CHECKING(X11 version 6)
AC_CACHE_VAL(emacs_cv_x11_version_6,
- [AC_TRY_LINK([#include <X11/Xlib.h>],
-[#if XlibSpecificationRelease < 6
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
+[[#if XlibSpecificationRelease < 6
fail;
#endif
-], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
+]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
if test $emacs_cv_x11_version_6 = yes; then
AC_MSG_RESULT(6 or newer)
AC_DEFINE(HAVE_X11R6, 1,
HAVE_IMAGEMAGICK=no
if test "${HAVE_X11}" = "yes"; then
if test "${with_imagemagick}" != "no"; then
- IMAGEMAGICK_MODULE="Wand"
+ ## 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.
+ IMAGEMAGICK_MODULE="Wand >= 6.2.8"
PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
AC_SUBST(IMAGEMAGICK_CFLAGS)
AC_SUBST(IMAGEMAGICK_LIBS)
HAVE_GTK=no
if test "${with_gtk3}" = "yes"; then
- GLIB_REQUIRED=2.6
- GTK_REQUIRED=2.90
+ GLIB_REQUIRED=2.28
+ GTK_REQUIRED=3.0
GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
dnl Checks for libraries.
if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
AC_MSG_ERROR($GTK_PKG_ERRORS)
fi
+ AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
fi
if test "$pkg_check_gtk" != "yes"; then
AC_SUBST(LIBSELINUX_LIBS)
HAVE_GNUTLS=no
+HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
if test "${with_gnutls}" = "yes" ; then
PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.2.4], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
if test "${HAVE_GNUTLS}" = "yes"; then
AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
fi
+
+ CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
+ LIBS="$LIBGNUTLS_LIBS $LIBS"
+ AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
+
+ if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
+ AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
+ fi
fi
+
AC_SUBST(LIBGNUTLS_LIBS)
AC_SUBST(LIBGNUTLS_CFLAGS)
if test "$with_xaw3d" != no; then
AC_MSG_CHECKING(for xaw3d)
AC_CACHE_VAL(emacs_cv_xaw3d,
- [AC_TRY_LINK([
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <X11/Intrinsic.h>
-#include <X11/Xaw3d/Simple.h>],
- [],
+#include <X11/Xaw3d/Simple.h>]],
+ [[]])],
[AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
emacs_cv_xaw3d=no)])
AC_MSG_RESULT(no)
AC_MSG_CHECKING(for libXaw)
AC_CACHE_VAL(emacs_cv_xaw,
- [AC_TRY_LINK([
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <X11/Intrinsic.h>
-#include <X11/Xaw/Simple.h>],
- [],
+#include <X11/Xaw/Simple.h>]],
+ [[]])],
emacs_cv_xaw=yes,
emacs_cv_xaw=no)])
if test $emacs_cv_xaw = yes; then
if test "${USE_X_TOOLKIT}" != "none"; then
AC_MSG_CHECKING(X11 toolkit version)
AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
- [AC_TRY_LINK([#include <X11/Intrinsic.h>],
-[#if XtSpecificationRelease < 6
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
+[[#if XtSpecificationRelease < 6
fail;
#endif
-], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
+]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
if test $emacs_cv_x11_toolkit_version_6 = yes; then
AC_MSG_RESULT(6 or newer)
LIBXP=
if test "${USE_X_TOOLKIT}" = "MOTIF"; then
AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
- [AC_TRY_COMPILE([#include <Xm/Xm.h>],
- [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
+ [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
int x = 5;
#else
Motif version prior to 2.1.
-#endif],
+#endif]])],
emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
if test $emacs_cv_motif_version_2_1 = yes; then
AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
OLD_CFLAGS=$CFLAGS
CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
- [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
- [int x = 5;],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
+ [[int x = 5;]])],
emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
if test $emacs_cv_lesstif = yes; then
# Make sure this -I option remains in CPPFLAGS after it is set
fi
dnl See if XIM is available.
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <X11/Xlib.h>
- #include <X11/Xresource.h>],
- [XIMProc callback;],
+ #include <X11/Xresource.h>]],
+ [[XIMProc callback;]])],
[HAVE_XIM=yes
AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
HAVE_XIM=no)
if test "$GCC" = yes; then
CFLAGS="$CFLAGS --pedantic-errors"
fi
- AC_TRY_COMPILE([
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <X11/Xlib.h>
-#include <X11/Xresource.h>],
-[Display *display;
+#include <X11/Xresource.h>]],
+[[Display *display;
XrmDatabase db;
char *res_name;
char *res_class;
char*, XIMProc, XPointer*);
#endif
(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
- client_data);],
+ client_data);]])],
[emacs_cv_arg6_star=yes])
AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
[Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
fi # "$HAVE_XFT" != no
fi # "x${with_xft}" != "xno"
- dnl For the "Does Emacs use" message at the end.
+ ## We used to allow building with FreeType and without Xft.
+ ## However, the ftx font backend driver is not in good shape.
if test "$HAVE_XFT" != "yes"; then
+ dnl For the "Does Emacs use" message at the end.
HAVE_XFT=no
+ HAVE_FREETYPE=no
+ else
+ dnl Strict linkers fail with
+ dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
+ dnl if -lfreetype is not specified.
+ dnl The following is needed to set FREETYPE_LIBS.
+ PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
+ HAVE_FREETYPE=no)
+
+ test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
fi
- ## We used to allow building with FreeType and without Xft.
- ## However, the ftx font backend driver is not in good shape.
- HAVE_FREETYPE=$HAVE_XFT
-
HAVE_LIBOTF=no
if test "${HAVE_FREETYPE}" = "yes"; then
AC_DEFINE(HAVE_FREETYPE, 1,
# If netdb.h doesn't declare h_errno, we must declare it by hand.
AC_CACHE_CHECK(whether netdb declares h_errno,
emacs_cv_netdb_declares_h_errno,
-[AC_TRY_LINK([#include <netdb.h>],
- [return h_errno;],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
+ [[return h_errno;]])],
emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
if test $emacs_cv_netdb_declares_h_errno = yes; then
AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
gl_ASSERT_NO_GNULIB_TESTS
gl_INIT
-# Emacs does not care about lstat's behavior on files whose names end in
-# trailing slashes, so it does not use the gnulib lstat module.
-# However, Emacs does want the "#define lstat stat" in sys/stat.h
-# when lstat does not exist, so it pretends to use the lstat module
-# even though it implements only the lstat-checking part of that module.
-AC_CHECK_FUNCS_ONCE([lstat])
-test $ac_cv_func_lstat = yes || HAVE_LSTAT=0
-gl_SYS_STAT_MODULE_INDICATOR([lstat])
-
# UNIX98 PTYs.
AC_CHECK_FUNCS(grantpt)
freebsd)
AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
- [AC_TRY_LINK([#include <osreldate.h>],
-[#if __FreeBSD_version < 400000
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
+[[#if __FreeBSD_version < 400000
fail;
#endif
-], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
+]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
# Do we have res_init, for detecting changes in /etc/resolv.conf?
resolv=no
-AC_TRY_LINK([#include <netinet/in.h>
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
#include <arpa/nameser.h>
-#include <resolv.h>],
- [return res_init();],
+#include <resolv.h>]],
+ [[return res_init();]])],
have_res_init=yes, have_res_init=no)
if test "$have_res_init" = no; then
OLIBS="$LIBS"
LIBS="$LIBS -lresolv"
AC_MSG_CHECKING(for res_init with -lresolv)
- AC_TRY_LINK([#include <netinet/in.h>
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
#include <arpa/nameser.h>
-#include <resolv.h>],
- [return res_init();],
+#include <resolv.h>]],
+ [[return res_init();]])],
have_res_init=yes, have_res_init=no)
AC_MSG_RESULT($have_res_init)
if test "$have_res_init" = yes ; then
AC_MSG_CHECKING(whether localtime caches TZ)
AC_CACHE_VAL(emacs_cv_localtime_cache,
[if test x$ac_cv_func_tzset = xyes; then
-AC_TRY_RUN([#include <time.h>
+AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
char TZ_GMT0[] = "TZ=GMT0";
char TZ_PST8[] = "TZ=PST8";
main()
if (localtime (&now)->tm_hour != hour_unset)
exit (1);
exit (0);
-}], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
+}]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
[# If we have tzset, assume the worst when cross-compiling.
emacs_cv_localtime_cache=yes])
else
if test $ac_cv_func_gettimeofday = yes; then
AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
emacs_cv_gettimeofday_two_arguments,
- [AC_TRY_COMPILE([
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#include <time.h>
#endif
-#endif],
- [struct timeval time;
- gettimeofday (&time, 0);],
+#endif]],
+ [[struct timeval time;
+ gettimeofday (&time, 0);]])],
emacs_cv_gettimeofday_two_arguments=yes,
emacs_cv_gettimeofday_two_arguments=no)])
if test $emacs_cv_gettimeofday_two_arguments = no; then
dnl Adapted from Haible's version.
AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
- [AC_TRY_LINK([#include <langinfo.h>],
- [char* cs = nl_langinfo(CODESET);],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
+ [[char* cs = nl_langinfo(CODESET);]])],
emacs_cv_langinfo_codeset=yes,
emacs_cv_langinfo_codeset=no)
])
[Define if you have <langinfo.h> and nl_langinfo(CODESET).])
fi
-AC_CHECK_TYPES(size_t)
-
AC_TYPE_MBSTATE_T
AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
- [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
if test "$emacs_cv_c_restrict_arr" = yes; then
AC_DEFINE(__restrict_arr, __restrict,
# define SYSTEM_PURESIZE_EXTRA 30000
#endif
-/* SIGTYPE is the macro we actually use. */
-#ifndef SIGTYPE
-#define SIGTYPE RETSIGTYPE
-#endif
-
#ifdef emacs /* Don't do this for lib-src. */
/* Tell regex.c to use a type compatible with Emacs. */
#define RE_TRANSLATE_TYPE Lisp_Object
void *alloca (size_t);
#endif
-#ifndef HAVE_SIZE_T
-typedef unsigned size_t;
-#endif
-
#ifndef HAVE_STRCHR
#define strchr(a, b) index (a, b)
#endif
#define EXTERNALLY_VISIBLE
#endif
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+# define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
+#else
+# define ATTRIBUTE_FORMAT(spec) /* empty */
+#endif
+
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
+# define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
+ ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
+#else
+# define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
+ ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
+#endif
+
/* Some versions of GNU/Linux define noinline in their headers. */
#ifdef noinline
#undef noinline