diff -Nru fbg-0.9.orig/configure.in fbg-0.9/configure.in
--- fbg-0.9.orig/configure.in	Fri Dec 27 05:42:44 2002
+++ fbg-0.9/configure.in	Wed Apr  9 12:58:34 2003
@@ -46,6 +46,8 @@
 esac
 AC_SUBST(MATHLIB)
 
+CXXFLAGS="$CFLAGS -I/usr/X11R6/include"
+
 dnl Check for SDL
 SDL_VERSION=1.2.0
 AM_PATH_SDL($SDL_VERSION, :,