Index: head/devel/py-doit/Makefile
===================================================================
--- head/devel/py-doit/Makefile	(revision 451504)
+++ head/devel/py-doit/Makefile	(revision 451505)
@@ -1,31 +1,36 @@
 # Created by: Kubilay Kocak <koobs@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	doit
 PORTVERSION=	0.30.3
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	koobs@FreeBSD.org
 COMMENT=	Task management & automation tool
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>0:devel/py-six \
 		${PYTHON_PKGNAMEPREFIX}cloudpickle>0:devel/py-cloudpickle
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest \
 		${PYTHON_PKGNAMEPREFIX}mock>0:devel/py-mock
 
 USES=		python:3.3+
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
 
-.include <bsd.port.pre.mk>
-
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} -m pytest
+
+.include <bsd.port.pre.mk>
+
+.if defined(PACKAGE_BUILDING) && !defined(PACKAGE_BUILDING_FLAVORS) && \
+    ${PYTHON_VER} != ${PYTHON_DEFAULT}
+IGNORE=	you have python ${PYTHON_DEFAULT} set as the default, and this needs ${PYTHON_VER}
+.endif
 
 .include <bsd.port.post.mk>