Index: head/devel/py-yaml/Makefile
===================================================================
--- head/devel/py-yaml/Makefile	(revision 562051)
+++ head/devel/py-yaml/Makefile	(revision 562052)
@@ -1,46 +1,49 @@
 # Created by: ijliao@FreeBSD.org
 # $FreeBSD$
 
 PORTNAME=	yaml
 PORTVERSION=	5.3.1
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	PyYAML-${PORTVERSION}
 
 MAINTAINER=	jpaetzel@FreeBSD.org
 COMMENT=	Python YAML parser
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 OPTIONS_DEFINE=	LIBYAML EXAMPLES
+OPTIONS_DEFAULT=	LIBYAML
+
 LIBYAML_DESC=	Use textproc/libyaml for faster parsing
 
 LIBYAML_LIB_DEPENDS=	libyaml.so:textproc/libyaml
 
 .include <bsd.port.pre.mk>
 
 .if ${PORT_OPTIONS:MLIBYAML}
 PYDISTUTILS_SETUP+=		--with-libyaml
 PYDISTUTILS_BUILD_TARGET=	build_ext
 PYDISTUTILS_BUILDARGS+=		--include-dirs=${LOCALBASE}/include \
 				--library-dirs=${LOCALBASE}/lib
 .else
 PYDISTUTILS_SETUP+=		--without-libyaml
 NO_ARCH=			yes
 .endif
 
 post-install-EXAMPLES-on:
 	@(cd ${WRKSRC}/examples && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR}/)
 
 post-install-LIBYAML-on:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/_yaml*.so
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
 .include <bsd.port.post.mk>