Index: head/devel/flang/Makefile
===================================================================
--- head/devel/flang/Makefile	(revision 457939)
+++ head/devel/flang/Makefile	(revision 457940)
@@ -1,60 +1,60 @@
 # Created by: Johannes M Dieterich <jmd@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	flang
-DISTVERSION=	5.0-20171019
-PORTREVISION=	2
+DISTVERSION=	5.0-20171225
+PORTREVISION=	0
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
 COMMENT=	Fortran compiler targeting LLVM
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	llvm50>=0:devel/llvm50 \
 		flang-clang>=0:devel/flang-clang
 RUN_DEPENDS=	llvm50>=0:devel/llvm50 \
 		flang-clang>=0:devel/flang-clang
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON_amd64=	for now only builds and is supported on amd64
 
 OPTIONS_DEFINE=	TESTS
 TESTS_DESC=	build unit tests for flang
 
 USE_LDCONFIG=	${PREFIX}/flang/lib
 USES=		cmake:outsource,noninja compiler:c++11-lib libedit perl5 tar:xz \
 		shebangfix
 _USES_PYTHON?=	python:build
 USES+=		${_USES_PYTHON}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	flang-compiler
-GH_TAGNAME=	e68c31f
+GH_TAGNAME=	64189a1
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LOCALBASE}/bin/llvm-config50 \
 		-DCMAKE_CXX_COMPILER=${LOCALBASE}flang/bin/clang++ \
 		-DCMAKE_C_COMPILER=${LOCALBASE}/flang/bin/clang \
 		-DCMAKE_Fortran_COMPILER=${LOCALBASE}/flang/bin/flang \
 		-DFLANG_LIBOMP=${LOCALBASE}/llvm50/lib/libomp.so
 
 CMAKE_INSTALL_PREFIX=	${PREFIX}/flang
 
 .include <bsd.port.options.mk>
 .if ${PORT_OPTIONS:MTESTS}
 CMAKE_ARGS+=	-DFLANG_INCLUDE_TESTS=ON
 .endif
 
 MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${CP} -r  ${WRKSRC}/tools/flang2/flang2exe/x86_64-Linux ${WRKSRC}/tools/flang2/flang2exe/x86_64-FreeBSD
 
 post-install:
 	@${SED} -e 's|%%PREFIX%%|${PREFIX}|g' \
 		< ${FILESDIR}/flang.in > \
 		${WRKDIR}/flang
 	${INSTALL_SCRIPT} ${WRKDIR}/flang ${STAGEDIR}/${PREFIX}/bin/flang
 
 .include <bsd.port.mk>
Index: head/devel/flang/distinfo
===================================================================
--- head/devel/flang/distinfo	(revision 457939)
+++ head/devel/flang/distinfo	(revision 457940)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1508552101
-SHA256 (flang-compiler-flang-5.0-20171019-e68c31f_GH0.tar.gz) = 5797b5ea4f97f80428c3e918ed4579044a42a94550af5d3ab6603020ed3b9499
-SIZE (flang-compiler-flang-5.0-20171019-e68c31f_GH0.tar.gz) = 3926694
+TIMESTAMP = 1514225293
+SHA256 (flang-compiler-flang-5.0-20171225-64189a1_GH0.tar.gz) = 7fbb927fffbb110bb0f5cdc1175537bf10f20fec5e7bd562d624529075e1bcab
+SIZE (flang-compiler-flang-5.0-20171225-64189a1_GH0.tar.gz) = 3940607