Index: head/textproc/libmwaw/Makefile
===================================================================
--- head/textproc/libmwaw/Makefile	(revision 349812)
+++ head/textproc/libmwaw/Makefile	(revision 349813)
@@ -1,39 +1,39 @@
 # $FreeBSD$
 
 PORTNAME=	libmwaw
 PORTVERSION=	0.1.11
 PORTREVISION=	1
 CATEGORIES=	textproc
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	office@FreeBSD.org
 COMMENT=	Import library for some old mac text documents
 
 LICENSE=	LGPL21 MPL
 LICENSE_COMB=	dual
 
 LIB_DEPENDS=	libwpd-0.9.so:${PORTSDIR}/textproc/libwpd
 
 OPTIONS_DEFINE=	DOCS
 
 CONFIGURE_ARGS=	--disable-werror
 CPPFLAGS+=	-I${LOCALBASE}/include
 
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 USES=		libtool pkgconfig pathfix tar:xz compiler:features
 
 PORTDOCS=	*
 DOCS_BUILD_DEPENDS=	doxygen:${PORTSDIR}/devel/doxygen
 DOCS_CONFIGURE_OFF=	--without-docs
 
 .include <bsd.port.pre.mk>
 
 .if ${COMPILER_FEATURES:Mlibc++}
-CONFIGURE_ARGS=	--with-sharedptr=c++11
+CONFIGURE_ARGS+=	--with-sharedptr=c++11
 .else
 BUILD_DEPENDS+=	${LOCALBASE}/include/boost/shared_ptr.hpp:${PORTSDIR}/devel/boost-libs
-CONFIGURE_ARGS=	--with-sharedptr=boost
+CONFIGURE_ARGS+=	--with-sharedptr=boost
 .endif
 
 .include <bsd.port.post.mk>