+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ if test "x$PNG_LINK" = "x" ; then
+ { echo "configure: error: system png library not found! Use --with-libpng=yes to use the built-in libpng" 1>&2; exit 1; }
+ fi
+ fi
+
+ SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS png"
+fi
+
+JPEG_INCLUDE=
+if test "$wxUSE_LIBJPEG" = "yes" -o "$wxUSE_LIBJPEG" = "sys" ; then
+ cat >> confdefs.h <<\EOF
+#define wxUSE_LIBJPEG 1
+EOF
+
+ if test "$wxUSE_LIBJPEG" = "yes" ; then
+ JPEG_INCLUDE="-I\${top_srcdir}/src/jpeg"
+ else
+ JPEG_LINK=
+ ac_safe=`echo "jpeglib.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for jpeglib.h""... $ac_c" 1>&6
+echo "configure:11776: checking for jpeglib.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 11781 "configure"
+#include "confdefs.h"
+#include <jpeglib.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:11786: \"$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
+ echo $ac_n "checking for jpeg_read_header in -ljpeg""... $ac_c" 1>&6
+echo "configure:11803: checking for jpeg_read_header in -ljpeg" >&5
+ac_lib_var=`echo jpeg'_'jpeg_read_header | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-ljpeg $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 11811 "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 jpeg_read_header();
+
+int main() {
+jpeg_read_header()
+; return 0; }
+EOF
+if { (eval echo configure:11822: \"$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 "$ac_t""yes" 1>&6
+ JPEG_LINK="-ljpeg"
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ if test "x$JPEG_LINK" = "x" ; then
+ { echo "configure: error: system jpeg library not found! Use --with-libjpeg=yes to use the built-in one" 1>&2; exit 1; }
+ fi
+ fi
+fi
+
+TIFF_INCLUDE=
+if test "$wxUSE_LIBTIFF" = "yes" -o "$wxUSE_LIBTIFF" = "sys" ; then
+ cat >> confdefs.h <<\EOF
+#define wxUSE_LIBTIFF 1
+EOF
+
+ if test "$wxUSE_LIBTIFF" = "yes" ; then
+ TIFF_INCLUDE="-I\${top_srcdir}/src/tiff"
+ else
+ TIFF_LINK=
+ ac_safe=`echo "tiffio.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for tiffio.h""... $ac_c" 1>&6
+echo "configure:11864: checking for tiffio.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 11869 "configure"
+#include "confdefs.h"
+#include <tiffio.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:11874: \"$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
+ echo $ac_n "checking for TIFFError in -ltiff""... $ac_c" 1>&6
+echo "configure:11891: checking for TIFFError in -ltiff" >&5
+ac_lib_var=`echo tiff'_'TIFFError | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-ltiff -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 11899 "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 TIFFError();
+
+int main() {
+TIFFError()
+; return 0; }
+EOF
+if { (eval echo configure:11910: \"$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 "$ac_t""yes" 1>&6
+ TIFF_LINK="-ltiff"
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ if test "x$TIFF_LINK" = "x" ; then
+ { echo "configure: error: system tiff library not found! Use --with-libtiff=yes to use the built-in one" 1>&2; exit 1; }
+ fi
+ fi
+fi
+
+if test "$wxUSE_OPENGL" = "yes"; then
+ ac_safe=`echo "GL/gl.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for GL/gl.h""... $ac_c" 1>&6
+echo "configure:11943: checking for GL/gl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 11948 "configure"
+#include "confdefs.h"
+#include <GL/gl.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:11953: \"$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
+
+ echo $ac_n "checking for glFlush in -lGL""... $ac_c" 1>&6
+echo "configure:11979: checking for glFlush in -lGL" >&5
+ac_lib_var=`echo GL'_'glFlush | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'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 11987 "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:11998: \"$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 "$ac_t""yes" 1>&6
+
+ OPENGL_LINK="-lGL"
+
+else
+ echo "$ac_t""no" 1>&6
+
+ echo $ac_n "checking for glFlush in -lMesaGL""... $ac_c" 1>&6
+echo "configure:12020: checking for glFlush in -lMesaGL" >&5
+ac_lib_var=`echo MesaGL'_'glFlush | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'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 12028 "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:12039: \"$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 "$ac_t""yes" 1>&6
+
+ OPENGL_LINK="-lMesaGL"
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+