Index: head/sysutils/liburcu/Makefile
===================================================================
--- head/sysutils/liburcu/Makefile	(revision 425722)
+++ head/sysutils/liburcu/Makefile	(revision 425723)
@@ -1,26 +1,31 @@
 # Created by: Leo Vandewoestijne <freebsd@dns-lab.com>
 # $FreeBSD$
 
 PORTNAME=	liburcu
 PORTVERSION=	0.7.13
 CATEGORIES=	sysutils
 MASTER_SITES=	http://lttng.org/files/urcu/
 DISTNAME=	userspace-rcu-${PORTVERSION}
 
 MAINTAINER=	freebsd@dns-lab.com
 COMMENT=	Userspace read-copy-update (RCU) data synchronization library
 
 LICENSE=	LGPL21
 
 PORTDOCS=	ChangeLog README cds-api.txt rcu-api.txt uatomic-api.txt
 
+BROKEN_arm64=	Fails to build: Cannot build: unrecognized architecture detected
+BROKEN_armv6=	Fails to build: address argument to atomic builtin must be a pointer
+BROKEN_mips=	Fails to build: undefined reference to `__sync_bool_compare_and_swap_4
+BROKEN_mips64=	Fails to build: undefined reference to `__sync_bool_compare_and_swap_4
+
 USES=		pathfix libtool tar:bzip2
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS+=	--docdir=${DOCSDIR}
 INSTALL_TARGET=	install-strip
 
 regression-test: build
 	@cd ${WRKSRC} && ${MAKE} check
 
 .include <bsd.port.mk>