-if test "$wxUSE_OPENGL" = "yes"; then
- if test "$wxUSE_MAC" = 1; then
- cat >> confdefs.h <<\EOF
-#define wxUSE_OPENGL 1
-EOF
-
- cat >> confdefs.h <<\EOF
-#define wxUSE_GLCANVAS 1
-EOF
-
- OPENGL_LINK="-framework OpenGL -framework AGL"
- SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS opengl"
- else
- ac_safe=`echo "GL/gl.h" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for GL/gl.h""... $ac_c" 1>&6
-echo "configure:15604: checking for GL/gl.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- cat > conftest.$ac_ext <<EOF
-#line 15609 "configure"
-#include "confdefs.h"
-#include <GL/gl.h>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15614: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
- rm -rf conftest*
- eval "ac_cv_header_$ac_safe=yes"
-else
- echo "$ac_err" >&5
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_header_$ac_safe=no"
-fi
-rm -f conftest*
-fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
- echo "$ac_t""yes" 1>&6
-
- cat >> confdefs.h <<\EOF
-#define wxUSE_OPENGL 1
-EOF
-
- cat >> confdefs.h <<\EOF
-#define wxUSE_GLCANVAS 1
-EOF
-
- SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS opengl"
- echo $ac_n "checking for glFlush in -lGL""... $ac_c" 1>&6
-echo "configure:15641: checking for glFlush in -lGL" >&5
-ac_lib_var=`echo GL'_'glFlush | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-lGL $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 15649 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char glFlush();
-
-int main() {
-glFlush()
-; return 0; }
-EOF
-if { (eval echo configure:15660: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
-
- OPENGL_LINK="-lGL -lGLU"
-
-else
- echo "$ac_t""no" 1>&6
-
- echo $ac_n "checking for glFlush in -lMesaGL""... $ac_c" 1>&6
-echo "configure:15682: checking for glFlush in -lMesaGL" >&5
-ac_lib_var=`echo MesaGL'_'glFlush | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-lMesaGL $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 15690 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char glFlush();
-
-int main() {
-glFlush()
-; return 0; }
-EOF
-if { (eval echo configure:15701: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
-
- OPENGL_LINK="-lMesaGL -lMesaGLU"
-
-else
- echo "$ac_t""no" 1>&6
-fi
-
-
-fi
-
-
-else
- echo "$ac_t""no" 1>&6
-wxUSE_OPENGL=0
-fi
-
- fi
-fi
-