Index: base/gcc/Makefile
===================================================================
--- base/gcc/Makefile
+++ base/gcc/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	gcc
 PORTVERSION=	6.4.0
+PORTREVISION=	1
 CATEGORIES=	base
 MASTER_SITES=	GCC/releases/gcc-${DISTVERSION} \
 		http://www.mpfr.org/mpfr-3.1.6/:mpfr \
@@ -61,6 +62,10 @@
 
 .include <bsd.port.pre.mk>
 
+.if ${OSVERSION} >= 1200000
+CONFIGURE_ARGS+= --enable-initfini-array
+.endif
+
 .if ${ARCH:Mmips*}
 PLIST_SUB+=	MIPS=""
 .else
Index: devel/powerpc64-gcc/Makefile
===================================================================
--- devel/powerpc64-gcc/Makefile
+++ devel/powerpc64-gcc/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	gcc
 PORTVERSION=	6.4.0
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	GCC/releases/gcc-${DISTVERSION}
 PKGNAMEPREFIX?=	powerpc64-
@@ -60,6 +61,10 @@
 .include <bsd.port.options.mk>
 .include <bsd.port.pre.mk>
 
+.if ${GCC_TARGET:M*${OPSYS:tl}*} != ""
+CONFIGURE_ARGS+= --enable-initfini-array
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e '/LIBSTDCXX/ s/stdc\+\+/c\+\+/g ' \
 		${WRKSRC}//gcc/cp/g++spec.c