Index: Makefile
===================================================================
--- Makefile	(revision 498040)
+++ Makefile	(working copy)
@@ -23,7 +23,8 @@
 GH_PROJECT=	ValyriaTear
 GH_TAGNAME=	${PORTVERSION}-gcc5 # contains relevant tolua++ fixes
 
-USES=		alias cmake gettext-tools iconv lua:51 openal
+USES=		alias cmake compiler:c++11-lang gettext-tools gl iconv lua:51 \
+		openal sdl
 CMAKE_ARGS=	-DUSE_PCH_COMPILATION=OFF
 USE_SDL=	sdl image ttf
 USE_GL=		gl glu