Index: head/math/algae/Makefile
===================================================================
--- head/math/algae/Makefile	(revision 541267)
+++ head/math/algae/Makefile	(revision 541268)
@@ -1,33 +1,34 @@
 # Created by: Michael Neumann <mneumann@ntecs.de>
 # $FreeBSD$
 
 PORTNAME=	algae
 PORTVERSION=	4.3.6
 PORTREVISION=	18
 CATEGORIES=	math
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Programming language for numerical analysis
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_aarch64=		does not build: checking for proper floating point exception handling... no
 BROKEN_armv6=		does not build: checking for proper floating point exception handling... no
 BROKEN_armv7=		does not build: checking for proper floating point exception handling... no
 BROKEN_powerpc64=	does not build: configure: error: Cannot handle floating point exceptions
 
 GNU_CONFIGURE=	yes
 USES=		fortran
 
 CONFIGURE_ARGS=	--disable-dlmalloc --without-fftw --without-blas \
 		--without-lapack --without-bcslib --without-npsol
+FFLAGS+=	-std=legacy
 PLIST_SUB=	ALGAE_VERSION=${PORTVERSION}
 
 INFO=		${PORTNAME}
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}-${PORTVERSION}
 
 .include <bsd.port.mk>