Index: head/www/py-aiohttp/Makefile
===================================================================
--- head/www/py-aiohttp/Makefile	(revision 552749)
+++ head/www/py-aiohttp/Makefile	(revision 552750)
@@ -1,51 +1,54 @@
 # Created by: Kubilay Kocak <koobs@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	aiohttp
 PORTVERSION=	3.5.4
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	koobs@FreeBSD.org
 COMMENT=	Async http client/server framework (asyncio)
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}attrs>=17.3.0:devel/py-attrs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}chardet>=2.0:textproc/py-chardet@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}multidict>=4.0:www/py-multidict@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}async_timeout>=3.0:devel/py-async_timeout@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yarl>=1.0:www/py-yarl@${PY_FLAVOR}
 
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=3.8.2:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-timeout>0:devel/py-pytest-timeout@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-xdist>0:devel/py-pytest-xdist@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-mock>0:devel/py-pytest-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}async_generator>0:devel/py-async_generator@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}gunicorn>0:www/py-gunicorn@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}aiodns>0:dns/py-aiodns@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}cryptography>0:security/py-cryptography@${PY_FLAVOR}
 # cryptography is only needed here until trustme is ported (which depends on it)
 # to be ported	${PYTHON_PKGNAMEPREFIX}brotlypy>0:archivers/py-brotlipy@${PY_FLAVOR}
 # to be ported	${PYTHON_PKGNAMEPREFIX}trustme>0:security/py-trustme@${PY_FLAVOR}
 
 # Actually 3.5.3+
 USES=		python:3.5+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist distutils cython
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_VER} < 3.7
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}idna_ssl>=1.0:dns/py-idna_ssl@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>=3.6.5:devel/py-typing-extensions@${PY_FLAVOR}
 .endif
+
+pre-configure:
+	@${TOUCH} ${WRKSRC}/aiohttp/*.pyx
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/aiohttp/*.so
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
 .include <bsd.port.post.mk>