Index: head/graphics/libglvnd/Makefile
===================================================================
--- head/graphics/libglvnd/Makefile	(revision 538879)
+++ head/graphics/libglvnd/Makefile	(revision 538880)
@@ -1,37 +1,45 @@
 # $FreeBSD$
 
 PORTNAME=	libglvnd
 DISTVERSION=	1.3.1
 CATEGORIES=	graphics
 
 MAINTAINER=	greg@unrelenting.technology
 COMMENT=	GL Vendor-Neutral Dispatch library
 
 LICENSE=	APACHE20 MIT
 LICENSE_COMB=	multi
 
 CONFLICTS_INSTALL=	mesa-libs # include/GL/gl.h
 
-USES=		compiler:c++11-lib localbase meson pkgconfig
+USES=		localbase meson pkgconfig
 USE_LDCONFIG=	yes
 
 USE_GITLAB=	yes
 GL_SITE=	https://gitlab.freedesktop.org
 GL_ACCOUNT=	glvnd
 GL_COMMIT=	1c32de07074fee8edcb274899948b6551081ed54
 
 OPTIONS_DEFINE=	X11
 OPTIONS_DEFAULT=X11
 OPTIONS_SUB=	yes
 
 X11_USES=		xorg
 X11_USE=		XORG=x11,xext,xorgproto
 X11_MESON_ENABLED=	x11 glx
+
+.include <bsd.port.options.mk>
+
+.if ${ARCH} == powerpc64
+USES+=		compiler:gcc-c++11-lib
+.else
+USES+=		compiler:c++11-lib
+.endif
 
 # Lots of software expects gl.pc even when it can build with EGL only
 post-install-X11-off:
 	${LN} -s opengl.pc ${STAGEDIR}${PREFIX}/libdata/pkgconfig/gl.pc
 	${REINPLACE_CMD} -e '/Cflags:/s/$$/ -DEGL_NO_X11/' \
 		${STAGEDIR}${PREFIX}/libdata/pkgconfig/egl.pc
 
 .include <bsd.port.mk>