Index: head/www/py-buku/Makefile
===================================================================
--- head/www/py-buku/Makefile	(revision 454741)
+++ head/www/py-buku/Makefile	(revision 454742)
@@ -1,34 +1,41 @@
 # Created by: Emanuel Haupt <ehaupt@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	buku
 PORTVERSION=	3.5
 DISTVERSIONPREFIX=	v
 CATEGORIES=	www python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Powerful command-line bookmark manager
 
 LICENSE=	GPLv3
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}beautifulsoup>=4.0:www/py-beautifulsoup \
 		${PYTHON_PKGNAMEPREFIX}cryptography>=1.3.4:security/py3-cryptography \
 		${PYTHON_PKGNAMEPREFIX}requests>=2.0.1:www/py3-requests \
 		${PYTHON_PKGNAMEPREFIX}urllib3>=1.21.1:net/py3-urllib3 \
 		${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py${PYTHON_SUFFIX}-sqlite3
 
 USES=		python:3
 USE_GITHUB=	yes
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 
 GH_ACCOUNT=	jarun
 GH_PROJECT=	Buku
 
 PLIST_FILES=	man/man1/buku.1.gz
 
+.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
+
 post-install:
 	${INSTALL_MAN} ${WRKSRC}/buku.1 ${STAGEDIR}${MANPREFIX}/man/man1
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>