Index: head/misc/xgboost/Makefile
===================================================================
--- head/misc/xgboost/Makefile	(revision 535699)
+++ head/misc/xgboost/Makefile	(revision 535700)
@@ -1,32 +1,35 @@
 # $FreeBSD$
 
 PORTNAME=	xgboost
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.0.2
 CATEGORIES=	misc # machine-learning
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT, GBM)
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BROKEN_FreeBSD_12_powerpc64=	fails to build: /usr/local/include/dmlc/serializer.h:63:16: 'Write' is not a member of 'dmlc::serializer::UndefinedSerializerFor<xgboost::DataType>'
+BROKEN_FreeBSD_13_powerpc64=	fails to build: /usr/local/include/dmlc/./serializer.h:63:11: no member named 'Write' in 'dmlc::serializer::UndefinedSerializerFor<xgboost::DataType>'
+
 LIB_DEPENDS=	libdmlc.so:devel/dmlc-core
 
 USES=		cmake compiler:c++11-lang localbase
 USE_GITHUB=	yes
 GH_ACCOUNT=	dmlc
 GH_TUPLE=	dmlc:rabit:2f25347:rabit/rabit \
 		NVlabs:cub:b20808b:cub/cub
 USE_LDCONFIG=	yes
 
 LDFLAGS+=	${LOCALBASE}/lib/libdmlc.so -lexecinfo
 
 OPTIONS_DEFINE=		OPENMP
 
 OPENMP_CMAKE_BOOL=	USE_OPENMP
 
 post-patch: # https://github.com/dmlc/rabit/issues/131
 	@${FIND} ${WRKSRC} -name "*.h" -o -name "*.cc" | ${XARGS} ${REINPLACE_CMD} -i '' -e 's| _assert(| _xassert(|; s| _assert)| _xassert)|'
 
 .include <bsd.port.mk>