- /*)
- echo "$as_me:$LINENO: checking for GL headers" >&5
-echo $ECHO_N "checking for GL headers... $ECHO_C" >&6
- d=$with_gl/include
- if test -d $d; then
- X_CFLAGS="-I$d $X_CFLAGS"
- echo "$as_me:$LINENO: result: $d" >&5
-echo "${ECHO_T}$d" >&6
- else
- echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
-echo "${ECHO_T}not found ($d: no such directory)" >&6
- fi
-
- echo "$as_me:$LINENO: checking for GL libs" >&5
-echo $ECHO_N "checking for GL libs... $ECHO_C" >&6
- d=$with_gl/lib
- if test -d $d; then
- X_LIBS="-L$d $X_LIBS"
- echo "$as_me:$LINENO: result: $d" >&5
-echo "${ECHO_T}$d" >&6
- else
- echo "$as_me:$LINENO: result: not found ($d: no such directory)" >&5
-echo "${ECHO_T}not found ($d: no such directory)" >&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 $X_CFLAGS"
- if test "${ac_cv_header_GL_gl_h+set}" = set; then
- echo "$as_me:$LINENO: checking for GL/gl.h" >&5
-echo $ECHO_N "checking for GL/gl.h... $ECHO_C" >&6
-if test "${ac_cv_header_GL_gl_h+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_GL_gl_h" >&5
-echo "${ECHO_T}$ac_cv_header_GL_gl_h" >&6
-else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking GL/gl.h usability" >&5
-echo $ECHO_N "checking GL/gl.h usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-$ac_includes_default
-#include <GL/gl.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_header_compiler=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking GL/gl.h presence" >&5
-echo $ECHO_N "checking GL/gl.h presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <GL/gl.h>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } >/dev/null; then
- if test -s conftest.err; then
- ac_cpp_err=$ac_c_preproc_warn_flag
- else
- ac_cpp_err=
- fi
-else
- ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc in
- yes:no )
- { echo "$as_me:$LINENO: WARNING: GL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: GL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
- no:yes )
- { echo "$as_me:$LINENO: WARNING: GL/gl.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: GL/gl.h: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: GL/gl.h: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: GL/gl.h: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&2;}
- (
- cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for GL/gl.h" >&5
-echo $ECHO_N "checking for GL/gl.h... $ECHO_C" >&6
-if test "${ac_cv_header_GL_gl_h+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_cv_header_GL_gl_h=$ac_header_preproc
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_GL_gl_h" >&5
-echo "${ECHO_T}$ac_cv_header_GL_gl_h" >&6
-
-fi
-if test $ac_cv_header_GL_gl_h = yes; then
- have_gl=yes
-else
- have_gl=no
-fi
-
-
- CPPFLAGS="$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 $X_CFLAGS"
- echo "$as_me:$LINENO: checking for GL/glx.h" >&5
-echo $ECHO_N "checking for GL/glx.h... $ECHO_C" >&6
-if test "${ac_cv_header_GL_glx_h+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <GL/gl.h>
-
-#include <GL/glx.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest.$ac_objext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_cv_header_GL_glx_h=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_header_GL_glx_h=no
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_GL_glx_h" >&5
-echo "${ECHO_T}$ac_cv_header_GL_glx_h" >&6
-if test $ac_cv_header_GL_glx_h = yes; then
- have_gl=yes
-else
- have_gl=no
-fi
-
-
- CPPFLAGS="$ac_save_CPPFLAGS"
- fi
-
- # If we have the headers, try and figure out which vendor it's from.
- #
- if test "$have_gl" = yes ; then
-
- # We need to know whether it's MesaGL so that we know which libraries
- # to link against.
- #
- echo "$as_me:$LINENO: checking whether GL is really MesaGL" >&5
-echo $ECHO_N "checking whether GL is really MesaGL... $ECHO_C" >&6
-if test "${ac_cv_have_mesa_gl+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_cv_have_mesa_gl=no
-
- ac_save_CPPFLAGS="$CPPFLAGS"
- if test \! -z "$includedir" ; then
- CPPFLAGS="$CPPFLAGS -I$includedir"
- fi
- CPPFLAGS="$CPPFLAGS $X_CFLAGS"
- cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <GL/glx.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "Mesa|MESA" >/dev/null 2>&1; then
- ac_cv_have_mesa_gl=yes
-fi
-rm -f conftest*
-
- CPPFLAGS="$ac_save_CPPFLAGS"
-
-fi
-echo "$as_me:$LINENO: result: $ac_cv_have_mesa_gl" >&5
-echo "${ECHO_T}$ac_cv_have_mesa_gl" >&6
- ac_have_mesa_gl=$ac_cv_have_mesa_gl
-
-
- gl_lib_1=""
- GL_LIBS=""
-
-
- # Some versions of MesaGL are compiled to require -lpthread.
- # So if the Mesa headers exist, and -lpthread exists, then always
- # link -lpthread after the Mesa libs (be they named -lGL or -lMesaGL.)
- #
- if test "$ac_have_mesa_gl" = yes; then
- echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
-echo $ECHO_N "checking for pthread_create in -lpthread... $ECHO_C" >&6
-if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpthread $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any gcc2 internal prototype to avoid an error. */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char pthread_create ();
-int
-main ()
-{
-pthread_create ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest$ac_exeext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_cv_lib_pthread_pthread_create=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_pthread_pthread_create=no
-fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_create" >&5
-echo "${ECHO_T}$ac_cv_lib_pthread_pthread_create" >&6
-if test $ac_cv_lib_pthread_pthread_create = yes; then
- GL_LIBS="-lpthread"
-fi
-
- fi
-
-
- # If we have Mesa headers, check to see if we can link against -lMesaGL.
- # If we don't have Mesa headers, or we don't have -lMesaGL, try -lGL.
- # Else, warn that GL is busted. (We have the headers, but no libs.)
- #
-
- if test "$ac_have_mesa_gl" = 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 $X_EXTRA_LIBS"
-
- echo "$as_me:$LINENO: checking for glXCreateContext in -lMesaGL" >&5
-echo $ECHO_N "checking for glXCreateContext in -lMesaGL... $ECHO_C" >&6
-if test "${ac_cv_lib_MesaGL_glXCreateContext+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lMesaGL -lMesaGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any gcc2 internal prototype to avoid an error. */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char glXCreateContext ();
-int
-main ()
-{
-glXCreateContext ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest$ac_exeext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_cv_lib_MesaGL_glXCreateContext=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_MesaGL_glXCreateContext=no
-fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_MesaGL_glXCreateContext" >&5
-echo "${ECHO_T}$ac_cv_lib_MesaGL_glXCreateContext" >&6
-if test $ac_cv_lib_MesaGL_glXCreateContext = yes; then
- gl_lib_1="MesaGL"
- GL_LIBS="-lMesaGL -lMesaGLU $GL_LIBS"
-fi
-
- CPPFLAGS="$ac_save_CPPFLAGS"
- LDFLAGS="$ac_save_LDFLAGS"
-# LIBS="$ac_save_LIBS"
-
- fi
-
- if test "$gl_lib_1" = "" ; then
-
- ac_save_CPPFLAGS="$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 $X_EXTRA_LIBS"
-
- echo "$as_me:$LINENO: checking for glXCreateContext in -lGL" >&5
-echo $ECHO_N "checking for glXCreateContext in -lGL... $ECHO_C" >&6
-if test "${ac_cv_lib_GL_glXCreateContext+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lGL -lGLU $GL_LIBS -lX11 -lXext -lm $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-/* Override any gcc2 internal prototype to avoid an error. */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char glXCreateContext ();
-int
-main ()
-{
-glXCreateContext ();
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -s conftest$ac_exeext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_cv_lib_GL_glXCreateContext=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_GL_glXCreateContext=no
-fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_GL_glXCreateContext" >&5
-echo "${ECHO_T}$ac_cv_lib_GL_glXCreateContext" >&6
-if test $ac_cv_lib_GL_glXCreateContext = yes; then
- gl_lib_1="GL"
- GL_LIBS="-lGL -lGLU $GL_LIBS"
-fi
-
- CPPFLAGS="$ac_save_CPPFLAGS"
- LDFLAGS="$ac_save_LDFLAGS"
-# LIBS="$ac_save_LIBS"
-
- fi
-
- if test "$gl_lib_1" = "" ; then
- # we have headers, but no libs -- bail.
- have_gl=no
- ac_have_mesa_gl=no
- gl_halfassed=yes
- else
- # linking works -- we can build the GL hacks.
- cat >>confdefs.h <<\_ACEOF
-#define HAVE_GL 1
-_ACEOF
-
- if test "$ac_have_mesa_gl" = yes ; then
- cat >>confdefs.h <<\_ACEOF
-#define HAVE_MESA_GL 1
-_ACEOF
-
- fi
- fi
- fi
-
-
- # Now that we know we have GL headers and libs, do some more GL testing.
- #
-
- if test "$have_gl" = yes ; then
- # If it's MesaGL, we'd like to issue a warning if the version number
- # is less than or equal to 2.6, because that version had a security bug.
- #
- if test "$ac_have_mesa_gl" = yes; then