Index: Makefile
===================================================================
--- Makefile	(revision 487131)
+++ Makefile	(working copy)
@@ -23,7 +23,8 @@
 
 USE_GNOME=	cairo pango
 USE_PERL5=	build
-USES=		cmake:outsource gettext-runtime ghostscript localbase perl5 pathfix pkgconfig
+USES=		compiler:c11 cmake:outsource gettext-runtime ghostscript gnome \
+		localbase perl5 pathfix pkgconfig
 CMAKE_ARGS=	-DENABLE_java:BOOL=OFF \
 		-DENABLE_octave:BOOL=OFF \
 		-DENABLE_pdl:BOOL=OFF \