--- fltk-2.0_pre6970.ebuild.orig	2010-06-06 21:45:57.000000000 +0300
+++ fltk-2.0_pre6970.ebuild	2010-06-06 21:46:22.000000000 +0300
@@ -60,7 +60,8 @@
 		$(use_enable jpeg) \
 		$(use_enable png) \
 		$(use_enable xinerama) \
-		$(use_enable zlib)
+		$(use_enable zlib) \
+		--x-libraries=/usr/$(get_libdir)/opengl/xorg-x11
 }
 
 src_compile() {