Index: head/devel/mimalloc/Makefile
===================================================================
--- head/devel/mimalloc/Makefile	(revision 515191)
+++ head/devel/mimalloc/Makefile	(revision 515192)
@@ -1,26 +1,26 @@
 # Created by: Emanuel Haupt <ehaupt@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	mimalloc
 PORTVERSION=	1.1.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	devel
 #MASTER_SITES=
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	General-purpose allocator with excellent performance characteristics
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		cmake
+USES=		cmake compiler:c11
 
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 GH_ACCOUNT=	microsoft
 
 # shows broken links: 400: Invalid request
 PORTSCOUT=	ignore
 
 .include <bsd.port.mk>