--- Makefile	(revision 469339)
+++ Makefile	(working copy)
@@ -3,7 +3,7 @@ 
 
 PORTNAME=	superlu
 PORTVERSION=	5.2.1
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	math
 MASTER_SITES=	http://crd-legacy.lbl.gov/~xiaoye/SuperLU/ \
 		http://crd-legacy.lbl.gov/~xiaoye/:doc
@@ -16,7 +16,6 @@ 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/License.txt
 
-USES=		cmake:outsource fortran
 USE_LDCONFIG=	yes
 
 WRKSRC=		${WRKDIR}/SuperLU_${PORTVERSION}
@@ -27,11 +26,16 @@ 
 
 PORTDOCS=	*
 
-OPTIONS_DEFINE=		DOCS
+OPTIONS_DEFINE=		DOCS FLANG
 OPTIONS_SINGLE=		BLAS
 OPTIONS_SINGLE_BLAS=	ATLAS GOTOBLAS OPENBLAS REFERENCE
 OPTIONS_DEFAULT=	REFERENCE
 
+NO_FLANG_ARCHS=         i386 aarch64 armv6 armv7
+.for arch in ${NO_FLANG_ARCHS}
+OPTIONS_EXCLUDE_${arch}=FLANG
+.endfor
+
 ATLAS_USES=		blaslapack:atlas
 ATLAS_CMAKE_ARGS=	-DBLA_VENDOR:STRING="ATLAS"
 DOCS_DISTFILES=		${DISTNAME}${EXTRACT_SUFX} \
@@ -46,7 +50,10 @@ 
 REFERENCE_DESC=		Reference blas implementation
 REFERENCE_USES=		blaslapack
 REFERENCE_CMAKE_ARGS=	-DBLA_VENDOR:STRING="Generic"
-
+FLANG_DESC=		Use experimental flang instead of default Fortran compiler
+FLANG_USES=		cmake:outsource,noninja fortran:flang
+FLANG_USES_OFF=		cmake:outsource fortran
+FLANG_PREVENTS=		ATLAS GOTOBLAS OPENBLAS
 SLU_DOCS=	SLU_general.ps.gz simax-29176.pdf
 
 post-patch: