Index: head/devel/flang/Makefile
===================================================================
--- head/devel/flang/Makefile	(revision 441247)
+++ head/devel/flang/Makefile	(revision 441248)
@@ -1,52 +1,53 @@
 # Created by: Johannes M Dieterich <jmd@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	flang
 DISTVERSION=	3.9-20170518
+PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
 COMMENT=	Fortran compiler targeting LLVM
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	llvm39>=0:devel/llvm39 \
 		openmp>=0:devel/openmp \
 		flang-clang>=0:devel/flang-clang
 RUN_DEPENDS=	llvm39>=0:devel/llvm39 \
 		openmp>=0:devel/openmp \
 		flang-clang>=0:devel/flang-clang
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON_amd64=	for now only builds and is supported on amd64
 
 USE_LDCONFIG=	${PREFIX}/flang/lib
 USES=		cmake:outsource compiler:c++11-lib libedit perl5 tar:xz \
 		shebangfix
-USES_PYTHON?=	python:build
+_USES_PYTHON?=	python:build
 USES+=		${_USES_PYTHON}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	flang-compiler
 GH_TAGNAME=	a9ccdd7
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LOCALBASE}/bin/llvm-config39 \
 		-DCMAKE_CXX_COMPILER=${LOCALBASE}flang/bin/clang++ \
 		-DCMAKE_C_COMPILER=${LOCALBASE}/flang/bin/clang \
 		-DCMAKE_Fortran_COMPILER=${LOCALBASE}/flang/bin/flang
 
 CMAKE_INSTALL_PREFIX=	${PREFIX}/flang
 
 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>