LIBS="$saved_LIBS"
+AC_CHECK_HEADER(osg/Version)
+if test "x$ac_cv_header_osg_Version" != "xyes"; then
+ echo
+ echo "You *must* have the OpenSceneGraph support library installed on your system"
+ echo "to build this version of SimGear!"
+ echo
+ echo "Please see README.OSG for more details."
+ echo
+ echo "configure aborted."
+ exit
+fi
+
AC_LANG_POP
dnl Check for system installed zlib