dnl check for OpenGL related libraries
+AM_CONDITIONAL(EXTGL_NEEDED, test "x$ac_cv_header_windows_h" = "xyes")
+
if test "x$HOSTTYPE" = "xmacintosh" ; then
dnl Macintosh OSX
LIBS="$LIBS -framework OpenGL -framework GLUT"
simgear/bucket/Makefile \
simgear/debug/Makefile \
simgear/ephemeris/Makefile \
- simgear/interpreter/Makefile \
simgear/io/Makefile \
simgear/magvar/Makefile \
simgear/math/Makefile \