Index: Makefile
===================================================================
--- Makefile	(revision 480846)
+++ Makefile	(working copy)
@@ -24,7 +24,7 @@
 TESTS_DESC=	Install lang/tcl for redis unit tests
 TRIB_DESC=	Install redis-trib.rb (lang/ruby req.)
 
-USES+=		gmake
+USES+=		compiler:c11 gmake
 MAKE_ENV=	"V=yo"
 
 .include <bsd.port.options.mk>