Index: Makefile
===================================================================
--- Makefile	(revision 488017)
+++ Makefile	(working copy)
@@ -24,7 +24,7 @@
 		libsamplerate.so:audio/libsamplerate \
 		libsndfile.so:audio/libsndfile
 
-USES=		autoreconf gmake localbase
+USES=		autoreconf compiler:c++11-lang gmake localbase
 USE_GITHUB=	yes
 GH_ACCOUNT=	monocasual
 GNU_CONFIGURE=	yes