Index: head/benchmarks/stress-ng/Makefile
===================================================================
--- head/benchmarks/stress-ng/Makefile	(revision 461291)
+++ head/benchmarks/stress-ng/Makefile	(revision 461292)
@@ -1,31 +1,36 @@
 # $FreeBSD$
 
 PORTNAME=	stress-ng
-PORTVERSION=	0.09.13
+PORTVERSION=	0.09.15
 CATEGORIES=	benchmarks
 MASTER_SITES=	http://kernel.ubuntu.com/~cking/tarballs/stress-ng/
 
 MAINTAINER=	pizzamig@FreeBSD.org
 COMMENT=	Stress test benchmarks
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BROKEN_aarch64=	Fails to link: missing sbrk
 
 USES=		compiler:c11 gmake tar:xz
 ALL_TARGET=	# empty
 
 PLIST_FILES=	bin/stress-ng man/man1/stress-ng.1.gz
 
 .include <bsd.port.options.mk>
 
 .if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1200056 && ${ARCH} == i386
 BROKEN=	undefined reference to '__atomic_fetch_add_8'
+.endif
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1101000 && ${OSVERSION} < 1200000 && ${ARCH} == amd64
+BUILD_DEPENDS+=	clang50:devel/llvm50
+CC=	clang50
 .endif
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/stress-ng ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/stress-ng.1 ${STAGEDIR}${MAN1PREFIX}/man/man1
 
 .include <bsd.port.mk>
Index: head/benchmarks/stress-ng/distinfo
===================================================================
--- head/benchmarks/stress-ng/distinfo	(revision 461291)
+++ head/benchmarks/stress-ng/distinfo	(revision 461292)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1516971345
-SHA256 (stress-ng-0.09.13.tar.xz) = 9960f3d2e049e717334a71675c81e0a816b045e3c424a06fa1d9695ab5cd73a4
-SIZE (stress-ng-0.09.13.tar.xz) = 324232
+TIMESTAMP = 1517934977
+SHA256 (stress-ng-0.09.15.tar.xz) = bc212829c62902080f7f88e7dddf0614deb766faa13d5cacf942074ac0f0d724
+SIZE (stress-ng-0.09.15.tar.xz) = 327208