Index: head/sysutils/rshim-user-space/Makefile
===================================================================
--- head/sysutils/rshim-user-space/Makefile	(revision 555493)
+++ head/sysutils/rshim-user-space/Makefile	(revision 555494)
@@ -1,32 +1,32 @@
 # Created by: Hans Petter Selasky <hselasky@freebsd.org>
 # $FreeBSD$
 
 PORTNAME=	rshim-user-space
 DISTVERSIONPREFIX=	rshim-
 DISTVERSION=		2.0.4
 
 MAINTAINER=	hselasky@FreeBSD.org
 COMMENT=	Userspace daemon for the Mellanox BlueField SoC
 
 LICENSE=	BSD3CLAUSE
 
 CATEGORIES=	sysutils
 
 LIB_DEPENDS=	libepoll-shim.so:devel/libepoll-shim \
 		libpci.so:devel/libpci \
 		libpciaccess.so:devel/libpciaccess
 
-USES=		autoreconf localbase gmake pkgconfig tar:bzip2
+USES=		autoreconf compiler:c11 localbase gmake pkgconfig tar:bzip2
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Mellanox
 
 GNU_CONFIGURE=	yes
 
 .include <bsd.port.options.mk>
 
 .if ${OPSYS} != FreeBSD || ${OSVERSION} < 1201500 || !exists(/usr/lib/libcuse.so)
 IGNORE=		not supported on this operating system combination
 .endif
 
 .include <bsd.port.mk>