$OpenBSD$
--- configure.orig	Sun Apr 13 15:36:50 2008
+++ configure	Sun Apr 13 15:37:15 2008
@@ -8543,7 +8543,7 @@ case "$target" in
     LIBS="$LIBS -L/usr/X11R6/lib"
     CPPFLAGS="$CPPFLAGS -I/usr/X11R6/include"
     ;;
-  *-*-netbsd*)
+  *-*-netbsd* | *-*-openbsd*)
     SYS_GL_LIBS="-lGL"
     CPPFLAGS="$CPPFLAGS -I/usr/X11R6/include"
     ;;
