/usr/share/aclocal/gtkglext.m4 is in libgtkglext1-dev 1.2.0-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | # Configure paths for GtkGLExt
# Naofumi Yasufuku
#
# Shamelessly stolen from gtk-2.0.m4
# Configure paths for GTK+
# Owen Taylor 1997-2001
dnl AM_PATH_GTKGLEXT_1_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for GtkGLExt, and define GTKGLEXT_CFLAGS and GTKGLEXT_LIBS.
dnl
AC_DEFUN([AM_PATH_GTKGLEXT_1_0],
[ no_gtkglext=""
GTKGLEXT_CFLAGS=""
GTKGLEXT_LIBS=""
# GtkGLExt pkg-config module
gtkglext_module=gtkglext-1.0
# minimum GtkGLExt version
gtkglext_min_version=ifelse([$1], ,1.0.0,$1)
# minimum pkg-config version
pkgconfig_min_version=0.7
AC_ARG_ENABLE(gtkglext-test,
[ --disable-gtkglext-test do not try to compile and run a test GtkGLExt program],
, enable_gtkglext_test=yes)
dnl
dnl Get the cflags and libraries from pkg-config
dnl
pkg_config_modules=$gtkglext_module
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test x$PKG_CONFIG != xno ; then
if pkg-config --atleast-pkgconfig-version $pkgconfig_min_version ; then
:
else
echo ""
echo "*** pkg-config too old; version $pkgconfig_min_version or better required."
no_gtkglext=yes
PKG_CONFIG=no
fi
else
no_gtkglext=yes
fi
AC_MSG_CHECKING(for GtkGLExt - version >= $gtkglext_min_version)
if test x$PKG_CONFIG != xno ; then
## don't try to run the test against uninstalled libtool libs
if $PKG_CONFIG --uninstalled $pkg_config_modules; then
echo ""
echo "Will use uninstalled version of GtkGLExt found in PKG_CONFIG_PATH"
enable_gtkglext_test=no
fi
if $PKG_CONFIG --atleast-version $gtkglext_min_version $pkg_config_modules; then
:
else
echo ""
echo "*** pkg-config cannot find $gtkglext_module >= $gtkglext_min_version"
echo "*** Set the environment variable PKG_CONFIG_PATH to point to the correct"
echo "*** configuration files."
no_gtkglext=yes
enable_gtkglext_test=no
fi
fi
if test x"$no_gtkglext" = x ; then
GTKGLEXT_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_modules`
GTKGLEXT_LIBS=`$PKG_CONFIG --libs $pkg_config_modules`
gtkglext_config_major_version=`$PKG_CONFIG --modversion $gtkglext_module | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
gtkglext_config_minor_version=`$PKG_CONFIG --modversion $gtkglext_module | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
gtkglext_config_micro_version=`$PKG_CONFIG --modversion $gtkglext_module | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_gtkglext_test" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GTKGLEXT_CFLAGS"
LIBS="$GTKGLEXT_LIBS $LIBS"
dnl
dnl Now check if the installed GtkGLExt is sufficiently new. (Also sanity
dnl checks the results of pkg-config to some extent)
dnl
rm -f conf.gtkgltest
AC_TRY_RUN([
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <stdio.h>
#include <stdlib.h>
int
main ()
{
int major, minor, micro;
char *tmp_version;
system ("touch conf.gtkgltest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = g_strdup ("$gtkglext_min_version");
if (sscanf (tmp_version, "%d.%d.%d", &major, &minor, µ) != 3)
{
printf ("%s, bad version string\n", "$gtkglext_min_version");
exit (1);
}
if ((gtkglext_major_version != $gtkglext_config_major_version) ||
(gtkglext_minor_version != $gtkglext_config_minor_version) ||
(gtkglext_micro_version != $gtkglext_config_micro_version))
{
printf ("\n*** 'pkg-config --modversion $gtkglext_module' returned %d.%d.%d, but GtkGLExt\n",
$gtkglext_config_major_version, $gtkglext_config_minor_version, $gtkglext_config_micro_version);
printf ("*** library %d.%d.%d was found!\n",
gtkglext_major_version, gtkglext_minor_version, gtkglext_micro_version);
printf ("***\n");
printf ("*** If pkg-config was correct, then it is best to remove the old version\n");
printf ("*** of GtkGLExt. You may also be able to fix the error by modifying your\n");
printf ("*** LD_LIBRARY_PATH enviroment variable, or by editing /etc/ld.so.conf.\n");
printf ("*** Make sure you have run ldconfig if that is required on your system.\n");
printf ("***\n");
printf ("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
printf ("*** to point to the correct configuration files.\n");
}
else if ((gtkglext_major_version != GTKGLEXT_MAJOR_VERSION) ||
(gtkglext_minor_version != GTKGLEXT_MINOR_VERSION) ||
(gtkglext_micro_version != GTKGLEXT_MICRO_VERSION))
{
printf ("\n*** GtkGLExt header files (version %d.%d.%d) do not match library (version %d.%d.%d).\n",
GTKGLEXT_MAJOR_VERSION, GTKGLEXT_MINOR_VERSION, GTKGLEXT_MICRO_VERSION,
gtkglext_major_version, gtkglext_minor_version, gtkglext_micro_version);
}
else
{
if ((gtkglext_major_version > major) ||
((gtkglext_major_version == major) && (gtkglext_minor_version > minor)) ||
((gtkglext_major_version == major) && (gtkglext_minor_version == minor) && (gtkglext_micro_version >= micro)))
{
return 0;
}
else
{
printf ("\n*** An old version of GtkGLExt library (%d.%d.%d) was found.\n",
gtkglext_major_version, gtkglext_minor_version, gtkglext_micro_version);
printf ("*** You need a version of GtkGLExt newer than %d.%d.%d. The latest version of\n",
major, minor, micro);
printf ("*** GtkGLExt is always available from http://gtkglext.sourceforge.net/.\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 pkg-config shell script is\n");
printf ("*** being found. The easiest way to fix this is to remove the old version\n");
printf ("*** of GtkGLExt, but you can also set the PKG_CONFIG environment to point\n");
printf ("*** to the correct copy of pkg-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_gtkglext=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_gtkglext" = x ; then
AC_MSG_RESULT(yes (version $gtkglext_config_major_version.$gtkglext_config_minor_version.$gtkglext_config_micro_version))
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$PKG_CONFIG" = "no" ; then
echo "*** A new enough version of pkg-config was not found."
echo "*** See http://www.freedesktop.org/software/pkgconfig/."
elif test "x$enable_gtkglext_test" = "xyes" ; then
if test -f conf.gtkgltest ; then
:
else
echo "*** Could not run GtkGLExt test program, checking why..."
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GTKGLEXT_CFLAGS"
LIBS="$LIBS $GTKGLEXT_LIBS"
AC_TRY_LINK([
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <stdio.h>
], [ return ((gtkglext_major_version) || (gtkglext_minor_version) || (gtkglext_micro_version)); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding GtkGLExt or finding the wrong"
echo "*** version of GtkGLExt. If it is not finding GtkGLExt, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means GtkGLExt is incorrectly installed."])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
GTKGLEXT_CFLAGS=""
GTKGLEXT_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(GTKGLEXT_CFLAGS)
AC_SUBST(GTKGLEXT_LIBS)
rm -f conf.gtkgltest
])
dnl AC_GTKGLEXT_SUPPORTS_MULTIHEAD([ACTION-IF-SUPPORTED [, ACTION-IF-NOT-SUPPORTED]])
dnl Checks whether GtkGLExt supports multihead.
dnl
AC_DEFUN([AC_GTKGLEXT_SUPPORTS_MULTIHEAD],
[ AC_CACHE_CHECK([whether GtkGLExt supports multihead],
[ac_cv_gtkglext_supports_multihead],
[AC_TRY_LINK([#include <gdk/gdkglquery.h>],
[gdk_gl_query_extension_for_display(gdk_display_get_default());],
[ac_cv_gtkglext_supports_multihead=yes],
[ac_cv_gtkglext_supports_multihead=no])])
if test "x$ac_cv_gtkglext_supports_multihead" = "xyes" ; then
ifelse([$1], , :, [$1])
else
ifelse([$2], , :, [$2])
fi
])
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