Index: Makefile
===================================================================
--- Makefile	(revision 481274)
+++ Makefile	(working copy)
@@ -15,7 +15,8 @@
 BUILD_DEPENDS=	bash:shells/bash
 LIB_DEPENDS=	libbotan-2.so:security/botan2
 
-USES=		desktop-file-utils gl gmake pkgconfig qt:5 shared-mime-info shebangfix
+USES=		compiler:c++11-lang desktop-file-utils gl gmake pkgconfig qt:5 \
+		shared-mime-info shebangfix
 USE_GL=		gl
 USE_QT=		core gui widgets buildtools_build qmake_build
 SHEBANG_FILES=	deps/libencryptmsg/configure
@@ -28,6 +29,12 @@
 
 PORTDOCS=	*
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH:Mmips*} || ${ARCH:Mpowerpc*} || ${ARCH} == sparc64
+EXTRA_PATCHES=	${PATCHDIR}/extra-patch-build_Makefile.qt__ui
+.endif
+
 do-build:
 	cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} MAKE=${MAKE_CMD} \
 		./configure.sh --all --use-system-libs
@@ -50,4 +57,4 @@
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/docs && ${COPYTREE_SHARE} . ${STAGEDIR}/${DOCSDIR}
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>