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.
#### 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
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_$1=no])])])
HAVE_SOUND=no
if test "${with_sound}" != "no"; then
HAVE_PNG=no
LIBPNG=
PNG_CFLAGS=
-if test "${with_png}" != no; then
+if test "${NS_IMPL_COCOA}" = yes; then
+ : # Nothing to do
+elif test "${with_png}" != no; then
# mingw32 loads the library dynamically.
if test "$opsys" = mingw32; then
AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
AC_SUBST(XINERAMA_CFLAGS)
AC_SUBST(XINERAMA_LIBS)
+### Use Xfixes (-lXfixes) if available
+HAVE_XFIXES=no
+if test "${HAVE_X11}" = "yes"; then
+ XFIXES_REQUIRED=4.0.0
+ XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
+ EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
+ if test $HAVE_XFIXES = no; then
+ # Test old way in case pkg-config doesn't have it (older machines).
+ AC_CHECK_HEADER(X11/extensions/Xfixes.h,
+ [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
+ if test $HAVE_XFIXES = yes; then
+ XFIXES_LIBS=-lXfixes
+ fi
+ fi
+ if test $HAVE_XFIXES = yes; then
+ AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
+ fi
+fi
+AC_SUBST(XFIXES_CFLAGS)
+AC_SUBST(XFIXES_LIBS)
### Use libxml (-lxml2) if available
### mingw32 doesn't use -lxml2, since it loads the library dynamically.