Index: head/biology/gmap/Makefile
===================================================================
--- head/biology/gmap/Makefile	(revision 504784)
+++ head/biology/gmap/Makefile	(revision 504785)
@@ -1,40 +1,46 @@
 # Created by: Bob Zimmermann <rpz@cse.wustl.edu>
 # $FreeBSD$
 
 PORTNAME=	gmap
 PORTVERSION=	2015.09.21
 CATEGORIES=	biology
 MASTER_SITES=	http://research-pub.gene.com/gmap/src/
 DISTNAME=	${PORTNAME}-gsnap-${PORTVERSION:C|\.|-|g}
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Genomic Mapping and Alignment Program for mRNA and EST Sequences
 
 LICENSE=	GMAP
 LICENSE_NAME=	GMAP License
 LICENSE_FILE=	${WRKSRC}/COPYING
 LICENSE_PERMS=	dist-mirror pkg-mirror auto-accept
 
 BROKEN_aarch64=		invokes x86 assembler
 BROKEN_armv6=		invokes x86 assembler
 BROKEN_armv7=		invokes x86 assembler
 BROKEN_mips64=		invokes x86 assembler
-BROKEN_powerpc64=	invokes x86 assembler
 BROKEN_sparc64=		invokes x86 assembler
 
 USES=		gmake perl5
 GNU_CONFIGURE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION:C|\.|-|g}
 
 OPTIONS_DEFINE=	SIMD
 
 SIMD_CONFIGURE_OFF=	--disable-builtin-popcount --disable-simd
 
+.include <bsd.port.pre.mk>
+
 # shebang_fix operates during patch.
 # These scripts are created during configure.
 post-configure:
 	${REINPLACE_CMD} -e 's|/usr/bin/perl|${PERL}|g' \
 		${WRKSRC}/Makefile ${WRKSRC}/util/*.pl
+.if ${ARCH:Mpowerpc*}
+# XXX MCL unknown why this shows up as true.  knowledge of autoconf needed.
+	${REINPLACE_CMD} -e 's|#define HAVE_ASM_BSR 1||' \
+		${WRKSRC}/src/config.h
+.endif
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>