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dnl acinclude.m4. Change *this* file to add new or change macros.
dnl When changes have been made, delete aclocal.m4 and run
dnl "aclocal".
dnl
dnl DO NOT change aclocal.m4 !
dnl
dnl * LA_SEARCH_FILE(variable, filename, PATH)
dnl * Search "filename" in the specified "PATH", "variable" will
dnl * contain the full pathname or the empty string
dnl * PATH is space-separated list of directories.
dnl * by Florian Bomers
AC_DEFUN([LA_SEARCH_FILE],[
$1=
dnl hack: eliminate line feeds in $2
for FILE in $2; do
for DIR in $3; do
dnl use PATH in order
if test ".$1"="." && test -f "$DIR/$FILE"; then
$1=$DIR
fi
done
done
])
dnl * LA_SEARCH_LIB(lib-variable, include-variable, lib-filename, header-filename, prefix)
dnl * looks for "lib-filename" and "header-filename" in the area of "prefix".
dnl * if found, "lib-variable" and "include-variable" are set to the
dnl * respective paths.
dnl * prefix is a single path
dnl * libs are searched in prefix, prefix/lib, prefix/.., prefix/../lib
dnl * headers are searched in prefix, prefix/include, prefix/.., prefix/../include
dnl *
dnl * If one of them is not found, both "lib-variable", "include-variable" are
dnl * set to the empty string.
dnl *
dnl * TODO: assert function call to verify lib
dnl *
dnl * by Florian Bomers
AC_DEFUN([LA_SEARCH_LIB],[
dnl look for lib
LA_SEARCH_FILE($1, $3, $5 $5/lib $5/.. $5/../lib)
dnl look for header.
LA_SEARCH_FILE($2, $4, $5 $5/include $5/.. $5/../include)
if test ".$1" = "." || test ".$2" = "."; then
$1=
$2=
fi
])
# alex_IEEE854_FLOAT80
# ------------
AC_DEFUN([alex_IEEE854_FLOAT80],
[AC_CACHE_CHECK(for IEEE854 compliant 80 bit floats, alex_cv_ieee854_float80,
[AC_TRY_RUN([
int float2long_IEEE_compliance ( void )
{
struct {
long padding; /* to prevent unaligned access */
float f;
} s;
s.f = 12582912.; if ( *(long*)(&s.f) != 1262485504l ) return 0;
s.f = 12615679.; if ( *(long*)(&s.f) != 1262518271l ) return 0;
s.f = 13582912.; if ( *(long*)(&s.f) != 1263485504l ) return 0;
s.f = 12550145.; if ( *(long*)(&s.f) != 1262452737l ) return 0;
s.f = 11582912.; if ( *(long*)(&s.f) != 1261485504l ) return 0;
return 1;
}
int main(void)
{
int retval;
retval = float2long_IEEE_compliance();
/* no error return -> success */
return !retval;
}
], alex_cv_ieee854_float80=yes, alex_cv_ieee854_float80=no,
[AC_MSG_WARN(can't check for IEEE854 compliant 80 bit floats)]
)])]) # alex_IEEE854_FLOAT80
# Configure paths for GTK+
# Owen Taylor 97-11-3
dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
dnl
AC_DEFUN([AM_PATH_GTK],
[dnl
dnl Get the cflags and libraries from the gtk-config script
dnl
AC_ARG_WITH(gtk-prefix,[ --with-gtk-prefix=PFX Prefix where GTK is installed (optional)],
gtk_config_prefix="$withval", gtk_config_prefix="")
AC_ARG_WITH(gtk-exec-prefix,[ --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
AC_ARG_ENABLE(gtktest, [ --disable-gtktest Do not try to compile and run a test GTK program],
, enable_gtktest=yes)
for module in . $4
do
case "$module" in
gthread)
gtk_config_args="$gtk_config_args gthread"
;;
esac
done
if test x$gtk_config_exec_prefix != x ; then
gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
if test x${GTK_CONFIG+set} != xset ; then
GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
fi
fi
if test x$gtk_config_prefix != x ; then
gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
if test x${GTK_CONFIG+set} != xset ; then
GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
fi
fi
AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
min_gtk_version=ifelse([$1], ,0.99.7,$1)
AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
no_gtk=""
if test "$GTK_CONFIG" = "no" ; then
no_gtk=yes
else
GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_gtktest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GTK_CFLAGS"
LIBS="$GTK_LIBS $LIBS"
dnl
dnl Now check if the installed GTK is sufficiently new. (Also sanity
dnl checks the results of gtk-config to some extent
dnl
rm -f conf.gtktest
AC_TRY_RUN([
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>
int
main ()
{
int major, minor, micro;
char *tmp_version;
system ("touch conf.gtktest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = g_strdup("$min_gtk_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
printf("%s, bad version string\n", "$min_gtk_version");
exit(1);
}
if ((gtk_major_version != $gtk_config_major_version) ||
(gtk_minor_version != $gtk_config_minor_version) ||
(gtk_micro_version != $gtk_config_micro_version))
{
printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
$gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
gtk_major_version, gtk_minor_version, gtk_micro_version);
printf ("*** was found! If gtk-config was correct, then it is best\n");
printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
printf("*** required on your system.\n");
printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
printf("*** before re-running configure\n");
}
#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
(gtk_minor_version != GTK_MINOR_VERSION) ||
(gtk_micro_version != GTK_MICRO_VERSION))
{
printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
printf("*** library (version %d.%d.%d)\n",
gtk_major_version, gtk_minor_version, gtk_micro_version);
}
#endif /* defined (GTK_MAJOR_VERSION) ... */
else
{
if ((gtk_major_version > major) ||
((gtk_major_version == major) && (gtk_minor_version > minor)) ||
((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
gtk_major_version, gtk_minor_version, gtk_micro_version);
printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
major, minor, micro);
printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
printf("***\n");
printf("*** If you have already installed a sufficiently new version, this error\n");
printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
printf("*** correct copy of gtk-config. (In this case, you will have to\n");
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
printf("*** so that the correct libraries are found at run-time))\n");
}
}
return 1;
}
],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_gtk" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$GTK_CONFIG" = "no" ; then
echo "*** The gtk-config script installed by GTK could not be found"
echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the GTK_CONFIG environment variable to the"
echo "*** full path to gtk-config."
else
if test -f conf.gtktest ; then
:
else
echo "*** Could not run GTK test program, checking why..."
CFLAGS="$CFLAGS $GTK_CFLAGS"
LIBS="$LIBS $GTK_LIBS"
AC_TRY_LINK([
#include <gtk/gtk.h>
#include <stdio.h>
], [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding GTK or finding the wrong"
echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
echo "***"
echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
echo "*** came with the system with the command"
echo "***"
echo "*** rpm --erase --nodeps gtk gtk-devel" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means GTK was incorrectly installed"
echo "*** or that you have moved GTK since it was installed. In the latter case, you"
echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
GTK_CFLAGS=""
GTK_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
rm -f conf.gtktest
])
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