Index: head/databases/cassandra-cpp-driver/Makefile
===================================================================
--- head/databases/cassandra-cpp-driver/Makefile	(revision 512633)
+++ head/databases/cassandra-cpp-driver/Makefile	(revision 512634)
@@ -1,33 +1,37 @@
 # Created by: gahr
 # $FreeBSD$
 
 PORTNAME=	cassandra-cpp-driver
 PORTVERSION=	2.13.0
 PORTREVISION=	1
 CATEGORIES=	databases
 
 MAINTAINER=	gahr@FreeBSD.org
 COMMENT=	DataStax C/C++ Driver for Apache Cassandra
 
 LICENSE=	APACHE20
 
 LIB_DEPENDS=	libuv.so:devel/libuv
 
 USES=		cmake compiler:c++11-lang pkgconfig pathfix ssl
 USE_LDCONFIG=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	datastax
 GH_PROJECT=	cpp-driver
 
 CMAKE_ARGS=	-DCMAKE_INSTALL_LIBDIR:STRING=lib \
 		-DCASS_BUILD_STATIC:BOOL=ON
 
 PLIST_FILES=	include/cassandra.h \
 		lib/libcassandra.so \
 		lib/libcassandra.so.2 \
 		lib/libcassandra.so.${PORTVERSION} \
 		lib/libcassandra_static.a \
 		libdata/pkgconfig/cassandra.pc \
 		libdata/pkgconfig/cassandra_static.pc
 
+post-patch:
+	@${REINPLACE_CMD} -e 's/ -Werror//' \
+		${WRKSRC}/cmake/modules/CppDriver.cmake
+
 .include <bsd.port.mk>