+if test "$have_athena" = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_ATHENA 1
+EOF
+
+ ATHENA_LIBS="-lXaw $ATHENA_LIBS"
+fi
+
+if test "$have_athena3d" = yes; then
+ ATHENA3D_LIBS="-lXaw3d $ATHENA3D_LIBS"
+fi
+
+
+# If we have Athena, check whether it's a version that includes
+# XawViewportSetCoordinates in Viewport.h (R3 (or R4?) don't.)
+if test "$have_athena" = yes ; then
+ echo $ac_n "checking for XawViewportSetCoordinates in Viewport.h""... $ac_c" 1>&6
+echo "configure:6493: checking for XawViewportSetCoordinates in Viewport.h" >&5
+if eval "test \"`echo '$''{'ac_cv_have_XawViewportSetCoordinates'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_cv_have_XawViewportSetCoordinates=no
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ cat > conftest.$ac_ext <<EOF
+#line 6505 "configure"
+#include "confdefs.h"
+#include <X11/Xaw/Viewport.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ egrep "XawViewportSetCoordinates" >/dev/null 2>&1; then
+ rm -rf conftest*
+ ac_cv_have_XawViewportSetCoordinates=yes
+fi
+rm -f conftest*
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+fi
+
+echo "$ac_t""$ac_cv_have_XawViewportSetCoordinates" 1>&6
+ if test "$ac_cv_have_XawViewportSetCoordinates" = yes ; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_XawViewportSetCoordinates 1
+EOF
+
+ fi
+fi
+
+
+###############################################################################
+#
+# Checking whether Motif is really Lesstif.
+#
+###############################################################################
+
+have_lesstif=no
+if test "$have_motif" = yes ; then
+ echo $ac_n "checking whether Motif is really LessTif""... $ac_c" 1>&6
+echo "configure:6538: checking whether Motif is really LessTif" >&5
+if eval "test \"`echo '$''{'ac_cv_have_lesstif'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ cat > conftest.$ac_ext <<EOF
+#line 6549 "configure"
+#include "confdefs.h"
+#include <Xm/Xm.h>
+int main() {
+long vers = LesstifVersion;
+; return 0; }
+EOF
+if { (eval echo configure:6556: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_have_lesstif=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_have_lesstif=no
+fi
+rm -f conftest*
+ CPPFLAGS="$ac_save_CPPFLAGS"
+fi
+
+echo "$ac_t""$ac_cv_have_lesstif" 1>&6
+ have_lesstif=$ac_cv_have_lesstif
+fi
+
+
+lesstif_version=unknown
+lesstif_version_string=unknown
+
+if test "$have_lesstif" = yes ; then
+ ltv=unknown
+ echo unknown > conftest-lt
+ echo $ac_n "checking LessTif version number""... $ac_c" 1>&6
+echo "configure:6581: checking LessTif version number" >&5
+if eval "test \"`echo '$''{'ac_cv_lesstif_version_string'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ if test "$cross_compiling" = yes; then
+ ac_cv_lesstif_version=unknown
+ ac_cv_lesstif_version_string=unknown
+else
+ cat > conftest.$ac_ext <<EOF
+#line 6596 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+ #include <Xm/Xm.h>
+ int main() {
+ FILE *f = fopen("conftest-lt", "w");
+ if (!f) exit(1);
+ fprintf(f, "%d %d.%d\n", LesstifVersion,
+ LESSTIF_VERSION, LESSTIF_REVISION);
+ fclose(f);
+ exit(0);
+ }
+EOF
+if { (eval echo configure:6609: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ ltv=`cat conftest-lt`
+ ac_cv_lesstif_version=`echo $ltv | sed 's/ .*//'`
+ ac_cv_lesstif_version_string=`echo $ltv | sed 's/.* //'`
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
+ ac_cv_lesstif_version=unknown
+ ac_cv_lesstif_version_string=unknown
+fi
+rm -fr conftest*
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+fi
+
+echo "$ac_t""$ac_cv_lesstif_version_string" 1>&6
+ rm -f conftest-lt
+ lesstif_version=$ac_cv_lesstif_version
+ lesstif_version_string=$ac_cv_lesstif_version_string
+
+fi
+
+
+if test "$have_motif" = yes ; then
+ mtv=unknown
+ echo unknown > conftest-mt
+ echo $ac_n "checking Motif version number""... $ac_c" 1>&6
+echo "configure:6639: checking Motif version number" >&5
+if eval "test \"`echo '$''{'ac_cv_motif_version_string'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ if test "$cross_compiling" = yes; then
+ ac_cv_motif_version=unknown
+ ac_cv_motif_version_string=unknown
+else
+ cat > conftest.$ac_ext <<EOF
+#line 6654 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+ #include <Xm/Xm.h>
+ int main() {
+ FILE *f = fopen("conftest-mt", "w");
+ if (!f) exit(1);
+ fprintf(f, "%d %d.%d\n", XmVersion,
+ XmVERSION, XmREVISION);
+ fclose(f);
+ exit(0);
+ }
+EOF
+if { (eval echo configure:6667: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ mtv=`cat conftest-mt`
+ ac_cv_motif_version=`echo $mtv | sed 's/ .*//'`
+ ac_cv_motif_version_string=`echo $mtv | sed 's/.* //'`
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
+ ac_cv_motif_version=unknown
+ ac_cv_motif_version_string=unknown
+fi
+rm -fr conftest*
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+fi
+
+echo "$ac_t""$ac_cv_motif_version_string" 1>&6
+ rm -f conftest-mt
+ motif_version=$ac_cv_motif_version
+ motif_version_string=$ac_cv_motif_version_string
+
+fi
+
+
+###############################################################################
+#
+# Checking whether Motif requires -lXpm.
+#
+# If this is Motif 2.x, and we have XPM, then link against XPM as well.
+# The deal is, Motif 2.x requires XPM -- but it's a compilation option
+# of the library whether to build the XPM code into libXm, or whether
+# to rely on an external libXm. So the only way to tell whether XPM is
+# a link-time requirement is to examine libXm.a, which is very
+# difficult to do in an autoconf script. So... if it's Motif 2.x, we
+# always link against XPM if the XPM lib exists (and this will be a
+# no-op if libXm happens to already have the XPM code in it.)
+#
+###############################################################################
+
+motif_requires_xpm=no
+if test "$have_motif" = yes ; then
+ echo $ac_n "checking whether Motif requires XPM""... $ac_c" 1>&6
+echo "configure:6711: checking whether Motif requires XPM" >&5
+ if test "$motif_version" = "unknown" || test "$motif_version" -ge 2000
+ then
+ motif_requires_xpm=yes
+ echo "$ac_t""maybe" 1>&6
+ else
+ echo "$ac_t""no" 1>&6
+ fi
+fi
+
+
+###############################################################################
+#
+# Checking whether Motif requires -lXp.
+#
+# Some versions of Motif (2.1.0, at least) require -lXp, the "X Printing
+# Extension". Why this extension isn't in -lXext with all the others,
+# I have no idea.
+#
+###############################################################################
+
+have_xp_ext=no
+if test "$have_motif" = yes ; then
+ have_xp_ext=no
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS"
+
+ echo $ac_n "checking for XpQueryExtension in -lXp""... $ac_c" 1>&6
+echo "configure:6753: checking for XpQueryExtension in -lXp" >&5
+ac_lib_var=`echo Xp'_'XpQueryExtension | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lXp -lX11 -lXext -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 6761 "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 XpQueryExtension();
+
+int main() {
+XpQueryExtension()
+; return 0; }
+EOF
+if { (eval echo configure:6772: \"$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 "$ac_t""yes" 1>&6
+ have_xp_ext=yes; MOTIF_LIBS="$MOTIF_LIBS -lXp"
+else
+ echo "$ac_t""no" 1>&6
+true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+fi
+
+
+###############################################################################
+#
+# Checking whether Motif requires -lXintl (for _Xsetlocale.)
+#
+###############################################################################
+
+have_xintl=no
+if test "$have_motif" = yes ; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS"
+
+ echo $ac_n "checking for _Xsetlocale in -lXintl""... $ac_c" 1>&6
+echo "configure:6826: checking for _Xsetlocale in -lXintl" >&5
+ac_lib_var=`echo Xintl'_'_Xsetlocale | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lXintl -lX11 -lXext -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 6834 "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 _Xsetlocale();
+
+int main() {
+_Xsetlocale()
+; return 0; }
+EOF
+if { (eval echo configure:6845: \"$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 "$ac_t""yes" 1>&6
+ have_xintl=yes
+else
+ echo "$ac_t""no" 1>&6
+have_xintl=no
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+ if test "$have_xintl" = yes; then
+ MOTIF_LIBS="$MOTIF_LIBS -lXintl"
+ fi
+fi
+
+
+###############################################################################
+#
+# Check for -lGL or -lMesa.
+#
+###############################################################################
+
+have_gl=no
+ac_have_mesa_gl=no
+with_gl_req=unspecified
+# Check whether --with-gl or --without-gl was given.
+if test "${with_gl+set}" = set; then
+ withval="$with_gl"
+ with_gl="$withval"; with_gl_req="$withval"
+else
+ with_gl=yes
+fi
+
+
+
+ case "$with_gl" in
+ yes) ;;
+ no) ;;
+
+ /*)
+ echo $ac_n "checking for GL headers""... $ac_c" 1>&6
+echo "configure:6901: checking for GL headers" >&5
+ d=$with_gl/include
+ if test -d $d; then
+ X_CFLAGS="-I$d $X_CFLAGS"
+ echo "$ac_t""$d" 1>&6
+ else
+ echo "$ac_t""not found ($d: no such directory)" 1>&6
+ fi
+
+ echo $ac_n "checking for GL libs""... $ac_c" 1>&6
+echo "configure:6911: checking for GL libs" >&5
+ d=$with_gl/lib
+ if test -d $d; then
+ X_LIBS="-L$d $X_LIBS"
+ echo "$ac_t""$d" 1>&6
+ else
+ echo "$ac_t""not found ($d: no such directory)" 1>&6
+ fi
+
+ # replace the directory string with "yes".
+ with_gl_req="yes"
+ with_gl=$with_gl_req
+ ;;
+
+ *)
+ echo ""
+ echo "error: argument to --with-gl must be \"yes\", \"no\", or a directory."
+ echo " If it is a directory, then \`DIR/include' will be added to"
+ echo " the -I list, and \`DIR/lib' will be added to the -L list."
+ exit 1
+ ;;
+ esac
+
+
+ac_mesagl_version=unknown
+ac_mesagl_version_string=unknown
+
+if test "$with_gl" = yes; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ ac_safe=`echo "GL/gl.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for GL/gl.h""... $ac_c" 1>&6
+echo "configure:6947: checking for GL/gl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 6952 "configure"
+#include "confdefs.h"
+#include <GL/gl.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:6957: \"$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
+ have_gl=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ if test "$have_gl" = yes ; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ ac_safe=`echo "GL/glx.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for GL/glx.h""... $ac_c" 1>&6
+echo "configure:6988: checking for GL/glx.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 6993 "configure"
+#include "confdefs.h"
+#include <GL/glx.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:6998: \"$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
+ have_gl=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ fi
+
+ # If we have the headers, try and figure out which vendor it's from.
+ #
+ if test "$have_gl" = yes ; then
+
+ cat >> confdefs.h <<\EOF
+#define HAVE_GL 1
+EOF
+
+
+ # We need to know whether it's MesaGL so that we know which libraries
+ # to link against.
+ #
+ echo $ac_n "checking whether GL is really MesaGL""... $ac_c" 1>&6
+echo "configure:7035: checking whether GL is really MesaGL" >&5
+if eval "test \"`echo '$''{'ac_cv_have_mesa_gl'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_cv_have_mesa_gl=no
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ cat > conftest.$ac_ext <<EOF
+#line 7047 "configure"
+#include "confdefs.h"
+#include <GL/glx.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ egrep "Mesa" >/dev/null 2>&1; then
+ rm -rf conftest*
+ ac_cv_have_mesa_gl=yes
+fi
+rm -f conftest*
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+
+fi
+
+echo "$ac_t""$ac_cv_have_mesa_gl" 1>&6
+ ac_have_mesa_gl=$ac_cv_have_mesa_gl
+
+ if test "$ac_have_mesa_gl" = no ; then
+ gl_lib_1="GL"
+ GL_LIBS="-lGL -lGLU"
+ else
+ cat >> confdefs.h <<\EOF
+#define HAVE_MESA_GL 1
+EOF
+
+ gl_lib_1="MesaGL"
+ GL_LIBS="-lMesaGL -lMesaGLU"
+ fi
+
+
+ # If it's MesaGL, we'd like to issue a warning if the version number
+ # is less than or equal to 2.6, because that version had a security bug.
+ #
+ if test "$ac_have_mesa_gl" = yes; then
+
+ echo $ac_n "checking MesaGL version number""... $ac_c" 1>&6
+echo "configure:7084: checking MesaGL version number" >&5
+if eval "test \"`echo '$''{'ac_cv_mesagl_version_string'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 7089 "configure"
+#include "confdefs.h"
+#include <GL/gl.h>
+configure: MESA_MAJOR_VERSION MESA_MINOR_VERSION
+EOF
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ # M4 sucks!!
+
+ mglv=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | sed -n \
+ 's/^configure:.*\([0-9][0-9]*\).*\([0-9][0-9]*\).*$/\1.\2/p'`
+
+
+ rm -f conftest.$ac_ext
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+
+ if test "$mglv" = ""; then
+ ac_mesagl_version=unknown
+ ac_mesagl_version_string=unknown
+ else
+ ac_mesagl_version_string=$mglv
+ maj=`echo $mglv | sed -n 's/\..*//p'`
+ min=`echo $mglv | sed -n 's/.*\.//p'`
+ ac_mesagl_version=`echo "$maj * 1000 + $min" | bc`
+ if test -z "$ac_mesagl_version"; then
+ ac_mesagl_version=unknown
+ ac_mesagl_version_string=unknown
+ fi
+ fi
+ ac_cv_mesagl_version=$ac_mesagl_version
+ ac_cv_mesagl_version_string=$ac_mesagl_version_string
+
+fi
+
+echo "$ac_t""$ac_cv_mesagl_version_string" 1>&6
+ ac_mesagl_version=$ac_cv_mesagl_version
+ ac_mesagl_version_string=$ac_cv_mesagl_version_string
+ fi
+
+
+ # If it's MesaGL, check to see if it requires -lpthread.
+ #
+ have_pthread=no
+ mesa_requires_pthread=no
+ if test "$ac_have_mesa_gl" = yes; then
+
+ echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
+echo "configure:7142: checking for pthread_create in -lpthread" >&5
+ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lpthread $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7150 "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 pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:7161: \"$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 "$ac_t""yes" 1>&6
+ have_pthread=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ if test "$have_pthread" = yes; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS"
+
+ echo $ac_n "checking for gl_get_thread_context in -l$gl_lib_1""... $ac_c" 1>&6
+echo "configure:7200: checking for gl_get_thread_context in -l$gl_lib_1" >&5
+ac_lib_var=`echo $gl_lib_1'_'gl_get_thread_context | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-l$gl_lib_1 $GL_LIBS -lpthread -lX11 -lXext -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7208 "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 gl_get_thread_context();
+
+int main() {
+gl_get_thread_context()
+; return 0; }
+EOF
+if { (eval echo configure:7219: \"$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 "$ac_t""yes" 1>&6
+ mesa_requires_pthread=yes
+else
+ echo "$ac_t""no" 1>&6
+true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+ fi
+
+ if test "$mesa_requires_pthread" = yes; then
+ GL_LIBS="$GL_LIBS -lpthread"
+ fi
+ fi
+
+ # Check for OpenGL 1.1 features.
+ #
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ ac_save_LDFLAGS="$LDFLAGS"
+# ac_save_LIBS="$LIBS"
+
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ # note: $X_CFLAGS includes $x_includes
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+
+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS"
+
+ echo $ac_n "checking for glBindTexture in -l$gl_lib_1""... $ac_c" 1>&6
+echo "configure:7271: checking for glBindTexture in -l$gl_lib_1" >&5
+ac_lib_var=`echo $gl_lib_1'_'glBindTexture | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-l$gl_lib_1 $GL_LIBS -lX11 -lXext -lm $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 7279 "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 glBindTexture();
+
+int main() {
+glBindTexture()
+; return 0; }
+EOF
+if { (eval echo configure:7290: \"$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 "$ac_t""yes" 1>&6
+ cat >> confdefs.h <<\EOF
+#define HAVE_GLBINDTEXTURE 1
+EOF
+
+else
+ echo "$ac_t""no" 1>&6
+true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+
+
+ # Check whether the `xscreensaver' executable should link against GL.
+ # See comments in utils/visual-gl.c for why this is sometimes necessary.
+ #
+ echo $ac_n "checking whether drastic GL measures must be taken""... $ac_c" 1>&6
+echo "configure:7324: checking whether drastic GL measures must be taken" >&5
+ case "$host" in
+ *-sgi*)
+ echo "$ac_t""yes -- hello, SGI." 1>&6
+ cat >> confdefs.h <<\EOF
+#define DAEMON_USE_GL 1
+EOF
+
+ SAVER_GL_SRCS='$(UTILS_SRC)/visual-gl.c'
+ SAVER_GL_OBJS='$(UTILS_BIN)/visual-gl.o'
+ SAVER_GL_LIBS="$GL_LIBS"
+ ;;
+ *)
+ echo "$ac_t""no -- non-SGI." 1>&6
+ SAVER_GL_SRCS=''
+ SAVER_GL_OBJS=''
+ SAVER_GL_LIBS=''
+ ;;
+ esac
+
+ fi
+
+elif test "$with_gl" != no; then
+ echo "error: must be yes or no: --with-gl=$with_gl"
+ exit 1
+fi
+
+
+###############################################################################
+#
+# Check for -lXpm.
+#
+###############################################################################
+
+have_xpm=no
+with_xpm_req=unspecified
+# Check whether --with-xpm or --without-xpm was given.
+if test "${with_xpm+set}" = set; then
+ withval="$with_xpm"
+ with_xpm="$withval"; with_xpm_req="$withval"
+else
+ with_xpm=yes
+fi
+
+
+
+ case "$with_xpm" in
+ yes) ;;
+ no) ;;
+
+ /*)
+ echo $ac_n "checking for XPM headers""... $ac_c" 1>&6
+echo "configure:7376: checking for XPM headers" >&5
+ d=$with_xpm/include
+ if test -d $d; then
+ X_CFLAGS="-I$d $X_CFLAGS"
+ echo "$ac_t""$d" 1>&6
+ else
+ echo "$ac_t""not found ($d: no such directory)" 1>&6
+ fi
+
+ echo $ac_n "checking for XPM libs""... $ac_c" 1>&6
+echo "configure:7386: checking for XPM libs" >&5
+ d=$with_xpm/lib
+ if test -d $d; then
+ X_LIBS="-L$d $X_LIBS"
+ echo "$ac_t""$d" 1>&6
+ else
+ echo "$ac_t""not found ($d: no such directory)" 1>&6
+ fi
+
+ # replace the directory string with "yes".
+ with_xpm_req="yes"
+ with_xpm=$with_xpm_req
+ ;;
+
+ *)
+ echo ""
+ echo "error: argument to --with-xpm must be \"yes\", \"no\", or a directory."
+ echo " If it is a directory, then \`DIR/include' will be added to"
+ echo " the -I list, and \`DIR/lib' will be added to the -L list."
+ exit 1
+ ;;
+ esac
+
+
+if test "$with_xpm" = yes; then
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ ac_safe=`echo "X11/xpm.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for X11/xpm.h""... $ac_c" 1>&6
+echo "configure:7419: checking for X11/xpm.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 7424 "configure"
+#include "confdefs.h"
+#include <X11/xpm.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:7429: \"$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
+ have_xpm=yes
+ cat >> confdefs.h <<\EOF
+#define HAVE_XPM 1
+EOF
+
+ XPM_LIBS="-lXpm"
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+elif test "$with_xpm" != no; then
+ echo "error: must be yes or no: --with-xpm=$with_xpm"
+ exit 1
+fi
+
+# See comment near $motif_requires_xpm, above.
+# Need to do this here, after both Motif and XPM have been checked for.
+#
+if test "$have_motif" = yes -a "$have_xpm" = yes ; then
+ if test "$motif_requires_xpm" = yes ; then
+ MOTIF_LIBS="$MOTIF_LIBS $XPM_LIBS"
+ fi
+fi
+
+
+###############################################################################
+#
+# Check for the XSHM server extension.
+#
+###############################################################################
+
+have_xshm=no
+with_xshm_req=unspecified
+# Check whether --with-xshm-ext or --without-xshm-ext was given.
+if test "${with_xshm_ext+set}" = set; then
+ withval="$with_xshm_ext"
+ with_xshm="$withval"; with_xshm_req="$withval"
+else
+ with_xshm=yes
+fi
+
+
+
+ case "$with_xshm" in
+ yes) ;;
+ no) ;;
+
+ /*)
+ echo $ac_n "checking for XSHM headers""... $ac_c" 1>&6
+echo "configure:7495: checking for XSHM headers" >&5
+ d=$with_xshm/include
+ if test -d $d; then
+ X_CFLAGS="-I$d $X_CFLAGS"
+ echo "$ac_t""$d" 1>&6
+ else
+ echo "$ac_t""not found ($d: no such directory)" 1>&6
+ fi
+
+ echo $ac_n "checking for XSHM libs""... $ac_c" 1>&6
+echo "configure:7505: checking for XSHM libs" >&5
+ d=$with_xshm/lib
+ if test -d $d; then
+ X_LIBS="-L$d $X_LIBS"
+ echo "$ac_t""$d" 1>&6
+ else
+ echo "$ac_t""not found ($d: no such directory)" 1>&6
+ fi
+
+ # replace the directory string with "yes".
+ with_xshm_req="yes"
+ with_xshm=$with_xshm_req
+ ;;
+
+ *)
+ echo ""
+ echo "error: argument to --with-xshm-ext must be \"yes\", \"no\", or a directory."
+ echo " If it is a directory, then \`DIR/include' will be added to"
+ echo " the -I list, and \`DIR/lib' will be added to the -L list."
+ exit 1
+ ;;
+ esac
+
+
+if test "$with_xshm" = yes; then
+
+ # first check for Xshm.h.
+
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ if test \! -z "$includedir" ; then
+ CPPFLAGS="$CPPFLAGS -I$includedir"
+ fi
+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ ac_safe=`echo "X11/extensions/XShm.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for X11/extensions/XShm.h""... $ac_c" 1>&6
+echo "configure:7540: checking for X11/extensions/XShm.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 7545 "configure"
+#include "confdefs.h"
+#include <X11/extensions/XShm.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:7550: \"$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
+ have_xshm=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"