dnl in the directory containing this script.
dnl
dnl Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
-dnl 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+dnl 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Emacs.
dnl
dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
AC_PREREQ(2.62)
-AC_INIT(emacs, 23.1.50)
+AC_INIT(emacs, 23.2.50)
AC_CONFIG_HEADER(src/config.h:src/config.in)
AC_CONFIG_SRCDIR(src/lisp.h)
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])
+OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
## For the times when you want to build Emacs but don't have
## a suitable makeinfo, and can live without the manuals.
PROFILING_LDFLAGS=
fi
+AC_ARG_ENABLE(autodepend,
+[AS_HELP_STRING([--enable-autodepend],
+ [automatically generate dependencies to .h-files.
+ Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
+ found])],
+[ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
+
#### Make srcdir absolute, if it isn't already. It's important to
#### avoid running the path through pwd unnecessarily, since pwd can
#### give you automounter prefixes, which can go away. We do all this
unset has_option
unset SAVE_CFLAGS
+### Use -Wdeclaration-after-statement if the compiler supports it
+AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+if test $has_option = yes; then
+ C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
+fi
+AC_MSG_RESULT($has_option)
+CFLAGS="$SAVE_CFLAGS"
+unset has_option
+unset SAVE_CFLAGS
+
#### Some other nice autoconf tests.
dnl checks for programs
## 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 CVS checkout on the other hand, the manuals are not included.
-## So makeinfo is a requirement to build from CVS, and configure
+## In a Bazaar checkout on the other hand, the manuals are not included.
+## So makeinfo is a requirement to build from Bazaar, and configure
## should test for it as it does for any other build requirement.
## We use the presence of $srcdir/info/emacs to distinguish a release,
-## with pre-built manuals, from a CVS checkout.
+## with pre-built manuals, from a Bazaar checkout.
if test "$MAKEINFO" = "no"; then
if test "x${with_makeinfo}" = "xno"; then
MAKEINFO=off
linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
- sys/utsname.h pwd.h)
+ sys/utsname.h pwd.h utmp.h)
AC_MSG_CHECKING(if personality LINUX32 can be set)
AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
dnl check for Make feature
AC_PROG_MAKE_SET
+dnl check for GNU Make if we have GCC and autodepend is on.
+if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
+ AC_MSG_CHECKING([whether we are using GNU Make])
+ HAVE_GNU_MAKE=no
+ testval=`make --version 2>/dev/null | grep 'GNU Make'`
+ if test "x$testval" != x; then
+ HAVE_GNU_MAKE=yes
+ else
+ ac_enable_autodepend=no
+ fi
+ AC_MSG_RESULT([$HAVE_GNU_MAKE])
+ if test $HAVE_GNU_MAKE = yes; then
+ AC_MSG_CHECKING([whether gcc understands -MMD -MF])
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -MMD -MF deps.d"
+ AC_TRY_COMPILE([], [], , ac_enable_autodepend=no)
+ CFLAGS="$SAVE_CFLAGS"
+ test -f deps.d || ac_enable_autodepend=no
+ rm -rf deps.d
+ AC_MSG_RESULT([$ac_enable_autodepend])
+ fi
+ if test $ac_enable_autodepend = yes; then
+ AC_DEFINE(AUTO_DEPEND, 1, [Generate dependencies with gcc.])
+ fi
+fi
+
dnl checks for operating system services
AC_SYS_LONG_FILE_NAMES
### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
HAVE_RSVG=no
-if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
+if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
if test "${with_rsvg}" != "no"; then
RSVG_REQUIRED=2.11.0
RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
fi
fi
+dnl GConf has been tested under GNU/Linux only.
+dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
+HAVE_GCONF=no
+if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
+ PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
+ if test "$HAVE_GCONF" = yes; then
+ AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
+ fi
+fi
+
dnl Do not put whitespace before the #include statements below.
dnl Older compilers (eg sunos4 cc) choke on it.
HAVE_XAW3D=no
if test "x${with_xft}" != "xno"; then
PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
- if test "$HAVE_XFT" != no; then
+ ## Because xftfont.c uses XRenderQueryExtension, we also
+ ## need to link to -lXrender.
+ HAVE_XRENDER=no
+ AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
+ if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
OLD_CPPFLAGS="$CPPFLAGS"
OLD_CFLAGS="$CFLAGS"
OLD_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
CFLAGS="$CFLAGS $XFT_CFLAGS"
+ XFT_LIBS="-lXrender $XFT_LIBS"
LIBS="$XFT_LIBS $LIBS"
AC_CHECK_HEADER(X11/Xft/Xft.h,
AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
CFLAGS="$REAL_CFLAGS"
CPPFLAGS="$REAL_CPPFLAGS"
+## Hack to detect a buggy GCC version.
+if test "x$GCC" = xyes \
+ && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
+ && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
+ && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
+ AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
+fi
+
#### Find out which version of Emacs this is.
[version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
| sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
AH_TOP([/* GNU Emacs site configuration template file.
Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
- 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GNU Emacs.
echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
echo " Does Emacs use -lgpm? ${HAVE_GPM}"
echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
+echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
echo
-if test "$USE_X_TOOLKIT" = GTK; then
- case "$canonical" in
- *cygwin*)
- echo "There are known problems with Emacs and Gtk+ on cygwin, so you
- will probably get a crash on startup. If this happens, please use another
- toolkit for Emacs. See etc/PROBLEMS for more information."
- ;;
- esac
-fi
-
if test "$HAVE_NS" = "yes"; then
echo
echo "You must run \"make install\" in order to test the built application.
# the C preprocessor to some helpful value like 1, or maybe the empty
# string. Needless to say consequent macro substitutions are less
# than conducive to the makefile finding the correct directory.
-[cpp_undefs="`echo $srcdir $configuration $canonical |
+[cpp_undefs="`echo $srcdir $configuration $canonical unix |
sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
-e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]