Index: Makefile
===================================================================
--- Makefile	(revision 481501)
+++ Makefile	(working copy)
@@ -17,6 +17,7 @@
 LIB_DEPENDS=	libboost_regex.so:devel/boost-libs
 
 USES=		cmake compiler:c++11-lang
+USE_CXXSTD=	c++11
 USE_LDCONFIG=	yes
 WRKSRC_SUBDIR=	lang/c++