Index: head/net/savvycan/Makefile
===================================================================
--- head/net/savvycan/Makefile	(revision 561642)
+++ head/net/savvycan/Makefile	(revision 561643)
@@ -1,55 +1,55 @@
 # $FreeBSD$
 
 PORTNAME=	savvycan
 PORTVERSION=	199.1
 DISTVERSIONPREFIX=	V
 CATEGORIES=	net
 
 MAINTAINER=	leres@FreeBSD.org
 COMMENT=	CAN bus reverse engineering and capture tool
 
 LICENSE=	MIT
 
-BUILD_DEPENDS=	${PY_SPHINX}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sphinx>=0,1:textproc/py-sphinx@${PY_FLAVOR}
 
-USES=		compiler:c++11-lang gmake python:build qmake qt:5
+USES=		compiler:c++11-lang gmake python:build,3.6+ qmake qt:5
 USE_QT=		buildtools_build core gui help printsupport serialbus \
 		serialport websockets-qml widgets
 
 USE_GITHUB=	yes
 GH_TUPLE=	collin80:SavvyCAN:${DISTVERSIONPREFIX}${PORTVERSION}
 NO_MTREE=	yes
 PLIST_FILES=	bin/savvycan \
 		man/man1/savvycan.1.gz
 
 PORTSCOUT=	skipv:continuous
 
 OPTIONS_DEFINE+=	DOCS EXAMPLES
 
 PORTDOCS=	*
 PORTEXAMPLES=	*
 
 .include <bsd.port.options.mk>
 
 post-build:
 	cd ${WRKSRC}/docs && ${GMAKE} man
 .if ${PORT_OPTIONS:MDOCS}
 	cd ${WRKSRC}/docs && ${GMAKE} html
 .endif
 
 do-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${WRKSRC}/SavvyCAN ${STAGEDIR}${PREFIX}/bin/savvycan
 	${MKDIR} ${STAGEDIR}${MANPREFIX}/man/man1
 	${INSTALL_MAN} ${WRKSRC}/docs/build/man/savvycan.1 \
 	    ${STAGEDIR}${MANPREFIX}/man/man1
 .if ${PORT_OPTIONS:MDOCS}
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/docs/build && ${COPYTREE_SHARE} html ${STAGEDIR}${DOCSDIR}
 .endif
 .if ${PORT_OPTIONS:MEXAMPLES}
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	cd ${WRKSRC}/examples && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR}
 .endif
 
 .include <bsd.port.mk>