Index: head/lang/cython/Makefile
===================================================================
--- head/lang/cython/Makefile	(revision 436847)
+++ head/lang/cython/Makefile	(revision 436848)
@@ -1,24 +1,24 @@
 # Created by: Wen Heping <wenhping@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	cython
 PORTVERSION=	0.25.2
 CATEGORIES=	lang python
 MASTER_SITES=	http://www.cython.org/release/ \
 		CHEESESHOP
 DISTNAME=	Cython-${PORTVERSION}
 
 MAINTAINER=	vmagerya@gmail.com
 COMMENT=	Compiler for Writing C Extensions for the Python Language
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES?=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON+=	autoplist distutils
 
 post-install:
 	${FIND} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/Cython \
 		-name '*.so' -exec ${STRIP_CMD} {} +
 
 .include <bsd.port.mk>
Index: head/lang/cython3/Makefile
===================================================================
--- head/lang/cython3/Makefile	(revision 436847)
+++ head/lang/cython3/Makefile	(revision 436848)
@@ -1,6 +1,10 @@
 MASTERDIR=	${.CURDIR}/../cython
 PKGNAMESUFFIX=	3
 
+PKGNAMESUFFIX=	3
+
 USES=		python:3.3+
+USE_PYTHON=	concurrent
+UNIQUE_SUFFIX=	${PKGNAMESUFFIX}
 
 .include "${MASTERDIR}/Makefile"