Index: head/graphics/djview4/Makefile
===================================================================
--- head/graphics/djview4/Makefile	(revision 561399)
+++ head/graphics/djview4/Makefile	(revision 561400)
@@ -1,55 +1,57 @@
 # Created by: Stanislav Sedov <stas@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	djview
 PORTVERSION=	4.10.6
 PORTREVISION=	3
 CATEGORIES=	graphics
 MASTER_SITES=	SF/djvu/DjView/${PORTVERSION:R}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Standalone Djvu viewer and plugin based on Qt toolkit
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BROKEN_riscv64=		fails to build: ./npsdk/prcpucfg.h:751:2: Unknown CPU architecture
+
 LIB_DEPENDS=	libdjvulibre.so:graphics/djvulibre \
 		libtiff.so:graphics/tiff
 
 INSTALL_TARGET=	install-strip
 GNU_CONFIGURE=	yes
 USES=		autoreconf desktop-file-utils gettext-runtime gl gmake gnome \
 		libtool localbase pkgconfig qt:5 webplugin:native xorg
 USE_GL=		gl
 USE_QT=		core gui network opengl printsupport widgets \
 		buildtools_build linguisttools_build qmake_build
 USE_XORG=	sm ice xext xt
 USE_GNOME=	glib20
 CONFIGURE_ENV=	LRELEASE="${LRELEASE}" LUPDATE="${LUPDATE}"
 
 WEBPLUGIN_DIR=		${PREFIX}/lib/djview4/plugins
 WEBPLUGIN_FILES=	nsdejavu.so
 
 post-patch:
 # Use prebuilt icons, without using conversion tool
 	@${REINPLACE_CMD} -e 's/conversion_tool=[[:alpha:]]*/conversion_tool=no/' \
 		${WRKSRC}/configure.ac
 	@${REINPLACE_CMD} -e \
 		'/CXXFLAGS=$$/s|^|#| ; \
 		 /CFLAGS=$$/s|^|#| ; \
 		 s|$$OPTS -O2|$$OPTS|' ${WRKSRC}/config/acinclude.m4
 	@${REINPLACE_CMD} -e \
 		's|FLAGS+=|FLAGS_RELEASE=|' ${WRKSRC}/src/Makefile.am
 # Change plugins directory
 # Add GLIB cflags and libs (including -lX*)
 	@${REINPLACE_CMD} -e '/^pluginsdir/s/mozilla/djview4/ ; \
 		/NSDEJAVU_CFLAGS/s|$$| $$(GLIB_CFLAGS)| ; \
 		/NSDEJAVU_LIBS/s|$$| $$(GLIB_LIBS) -lXt -lXext|' \
 		${WRKSRC}/nsdejavu/Makefile.am
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/djview
 # Create a symbolic link to match desktop file exec name
 	${LN} -sf djview ${STAGEDIR}${PREFIX}/bin/djview4
 
 .include <bsd.port.mk>