Index: head/devel/flang/Makefile
===================================================================
--- head/devel/flang/Makefile	(revision 547677)
+++ head/devel/flang/Makefile	(revision 547678)
@@ -1,54 +1,58 @@
 # Created by: Johannes M Dieterich <jmd@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	flang
 DISTVERSION=	7.0-g20191020
+PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
 COMMENT=	Fortran compiler targeting LLVM
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 ONLY_FOR_ARCHS=	amd64
 
 LLVM_VER=	70
 BUILD_DEPENDS=	llvm${LLVM_VER}>=0:devel/llvm${LLVM_VER} \
 		flang-clang>=0:devel/flang-clang
 RUN_DEPENDS=	llvm${LLVM_VER}>=0:devel/llvm${LLVM_VER} \
 		flang-clang>=0:devel/flang-clang
 LIB_DEPENDS=	libpgmath.so:math/libpgmath
 
 USES=		cmake:noninja compiler:c++11-lib libedit perl5 tar:xz \
 		shebangfix
 _USES_PYTHON?=	python:build
 USES+=		${_USES_PYTHON}
 USE_LDCONFIG=	${PREFIX}/flang/lib
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	flang-compiler
 GH_TAGNAME=	d07daf3
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LOCALBASE}/bin/llvm-config${LLVM_VER} \
 		-DCMAKE_CXX_COMPILER=${LOCALBASE}flang/bin/clang++ \
 		-DCMAKE_C_COMPILER=${LOCALBASE}/flang/bin/clang \
 		-DCMAKE_Fortran_COMPILER=${LOCALBASE}/flang/bin/flang \
 		-DFLANG_LIBOMP=${LOCALBASE}/llvm${LLVM_VER}/lib/libomp.so \
 		-DLIBPGMATH="${LOCALBASE}/lib/libpgmath.a" \
 		-WWITH_ERROR=OFF
 
 CMAKE_INSTALL_PREFIX=	${PREFIX}/flang
+
+# fix on post LLVM11 HEAD
+CFLAGS+=	-fcommon
 
 MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS_DEFINE=	TESTS
 
 TESTS_DESC=	build unit tests for flang
 
 TESTS_CMAKE_BOOL=	FLANG_INCLUDE_TESTS
 
 post-patch:
 	@${CP} -r  ${WRKSRC}/tools/flang2/flang2exe/x86_64-Linux ${WRKSRC}/tools/flang2/flang2exe/x86_64-FreeBSD
 
 .include <bsd.port.mk>