Index: head/biology/pbcopper/Makefile
===================================================================
--- head/biology/pbcopper/Makefile	(revision 528169)
+++ head/biology/pbcopper/Makefile	(revision 528170)
@@ -1,31 +1,33 @@
 # $FreeBSD$
 
 PORTNAME=	pbcopper
 DISTVERSION=	0.4.1 # Test with biology/unanimity before upgrading!
 PORTREVISION=	4
 CATEGORIES=	biology
 
 # As of March 2018, unanimity is no longer open source.
 # See https://github.com/PacificBiosciences/ccs.
 MAINTAINER=     ports@FreeBSD.org
 COMMENT=	Core C++ library for Pacific Biosciences tools
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
+BROKEN=		fails to build
+
 LIB_DEPENDS=	libboost_regex.so:devel/boost-libs
 
 # Meson needs BOOST_ROOT=${LOCALBASE}
 # https://github.com/mesonbuild/meson/issues/2239
 USES=		compiler:c++14-lang localbase meson
 USE_LDCONFIG=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	PacificBiosciences
 
 post-install:
 	${RLN} ${STAGEDIR}${PREFIX}/lib/libpbcopper.so.${PORTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/libpbcopper.so.0.4
 	${RLN} ${STAGEDIR}${PREFIX}/lib/libpbcopper.so.${PORTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/libpbcopper.so.0
 
 .include <bsd.port.mk>