Index: head/sysutils/b2sum/Makefile
===================================================================
--- head/sysutils/b2sum/Makefile	(revision 393663)
+++ head/sysutils/b2sum/Makefile	(revision 393664)
@@ -1,53 +1,50 @@
 # $FreeBSD$
 
 PORTNAME=	b2sum
 PORTVERSION=	0.0.d${B2VERSION}
-PORTREVISION=	1
 CATEGORIES=	sysutils security
 MASTER_SITES=	http://blake2.net/
 DISTNAME=	blake2_code_${B2VERSION}${EXTRACT_SUFFX}
 
 MAINTAINER=	matthew@reztek.cz
 COMMENT=	Fast secure hashing
 
 LICENSE=	CC0-1.0
 LICENSE_FILE=	${WRKSRC}/../COPYING
 
-BROKEN_FreeBSD_9_amd64=	does not build
+B2VERSION=	20150531
 
-B2VERSION=	20150529
-
 USES=		zip
 USE_CSTD=	c99
 WRKSRC_SUBDIR=	b2sum
 MAKEFILE=	makefile
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}"
 PLIST_FILES=	bin/b2sum
 
 OPTIONS_DEFINE=	OPENMP OPTIMIZED_CFLAGS SSE
 OPTIONS_DEFAULT_amd64=SSE
 SSE_DESC=	Use SSE2, SSSE3, SSE4.1, AVX or XOP instructions
 
 OPENMP_USES+=	compiler:openmp
 OPENMP_CFLAGS+=	-fopenmp
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MOPTIMIZED_CFLAGS}
 CFLAGS+=	-O3
 .if !${CFLAGS:M-march=*}
 CFLAGS+=	-march=native
 .endif
 .endif
 
 .if (${PORT_OPTIONS:MSSE} && (${ARCH} == "i386" || ${ARCH} == "amd64"))
-CFLAGS+=	-I../sse
+CFLAGS+=	-I../sse -flax-vector-conversions
 .else
 CFLAGS+=	-I../ref
 EXTRA_PATCHES=	${PATCHDIR}/use_ref.patch
 .endif
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>
Index: head/sysutils/b2sum/distinfo
===================================================================
--- head/sysutils/b2sum/distinfo	(revision 393663)
+++ head/sysutils/b2sum/distinfo	(revision 393664)
@@ -1,2 +1,2 @@
-SHA256 (blake2_code_20150529.zip) = 30a3140f7747fb67765bcf5f26c85c5e9ec8a168bb31faa2dee93f4cc0b5e813
-SIZE (blake2_code_20150529.zip) = 890257
+SHA256 (blake2_code_20150531.zip) = 37168711cddb349e7462bcc4874992a8e1c66de2318a20507b498be2d7c7d1e7
+SIZE (blake2_code_20150531.zip) = 461445