Index: head/biology/seqan-apps/Makefile
===================================================================
--- head/biology/seqan-apps/Makefile	(revision 484546)
+++ head/biology/seqan-apps/Makefile	(revision 484547)
@@ -1,43 +1,45 @@
 # Created by: Hannes Hauswedell <h2+fbsdports@fsfe.org>
 # $FreeBSD$
 
 PORTNAME=	seqan-apps
 DISTVERSIONPREFIX=	seqan-v
 DISTVERSION=	2.4.0
 PORTREVISION=	3
 CATEGORIES=	biology
 
 MAINTAINER=	h2+fbsdports@fsfe.org
 COMMENT=	Official bioinformatic applications based on the SeqAn library
 
 LICENSE=	BSD3CLAUSE LGPL3 GPLv3
 LICENSE_COMB=	multi
 
-BROKEN_powerpc64=	fails to build: requires 'c++14-lang' in USES (cf.)
-
 BUILD_DEPENDS=	boost-libs>0:devel/boost-libs
 
 USES=		cmake:outsource compiler:openmp # once #199603 is resolved, add c++14-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	seqan
 GH_PROJECT=	seqan
 CMAKE_ARGS=	-DSEQAN_BUILD_SYSTEM="SEQAN_RELEASE_APPS"
 
 OPTIONS_RADIO=		ARCH
 OPTIONS_RADIO_ARCH=	SSE4 AVX2 NATIVE
 SSE4_DESC=		Use SSE4 and POPCNT instructions
 SSE4_CMAKE_ON=		-DSEQAN_ARCH_SSE4:BOOL=TRUE
 AVX2_DESC=		Use SSE4, AVX2 and POPCNT instructions
 AVX2_CMAKE_ON=		-DSEQAN_ARCH_AVX2:BOOL=TRUE
 NATIVE_DESC=		Use all available instruction sets (-march=native)
 NATIVE_CMAKE_ON=	-DSEQAN_ARCH_NATIVE:BOOL=TRUE
 
 .include <bsd.port.pre.mk>
 
 .if ${ARCH} == "i386"
 PLIST_SUB+=	RM_I386="@comment "
 .else
 PLIST_SUB+=	RM_I386=""
+.endif
+
+.if ${ARCH:Mmips*} || ${ARCH:Mpowerpc*} || ${ARCH} == sparc64
+USE_GCC=	yes
 .endif
 
 .include <bsd.port.post.mk>