Index: head/archivers/py-zstandard/Makefile
===================================================================
--- head/archivers/py-zstandard/Makefile	(revision 476251)
+++ head/archivers/py-zstandard/Makefile	(revision 476252)
@@ -1,24 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	zstandard
 DISTVERSION=	0.9.1
 CATEGORIES=	archivers python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Zstandard bindings for Python, a full-featured version
 
 LICENSE=	BSD2CLAUSE
 
+BROKEN=		fails to build
+
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>=1.8.0:devel/py-cffi@${PY_FLAVOR}
 LIB_DEPENDS=	libzstd.so:archivers/zstd
 
 USES=		localbase python
 USE_PYTHON=	distutils autoplist
 PYDISTUTILS_BUILDARGS=	--system-zstd
 
 post-install:
 	@cd ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} && ${STRIP_CMD} zstd.so _zstd_cffi.so
 
 .include <bsd.port.mk>