Index: head/science/openbabel/Makefile
===================================================================
--- head/science/openbabel/Makefile	(revision 487264)
+++ head/science/openbabel/Makefile	(revision 487265)
@@ -1,55 +1,55 @@
 # Created by: ijliao
 # $FreeBSD$
 
 PORTNAME=	openbabel
 PORTVERSION=	2.4.1
 PORTREVISION=	1
 CATEGORIES=	science
 MASTER_SITES=	SF
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Chemical toolbox designed to speak the many languages of chemical data
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 CONFLICTS_INSTALL=	babel-*
 
 USES=		compiler:c++11-lang cmake:outsource eigen:3 gnome
 USE_CXXSTD=	gnu++98
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 PLIST_SUB=	VERSION="${PORTVERSION}"
 
 OPTIONS_DEFINE=	CAIRO PYTHON GUI
 OPTIONS_DEFAULT=	PYTHON GUI
 OPTIONS_SUB=	yes
 
 CAIRO_DESC=	PNG support via cairo library
 CAIRO_USES=	pkgconfig
 CAIRO_USE=	GNOME=cairo
 
 PYTHON_USES=	python
 PYTHON_CMAKE_BOOL=	PYTHON_BINDINGS
 
 GUI_CMAKE_BOOL=	BUILD_GUI
 GUI_CMAKE_ON=	-DwxWidgets_CONFIG_EXECUTABLE:STRING=${WX_CONFIG}
-GUI_USE=	WX=3.1
+GUI_USE=	WX=3.0
 
 .if exists(/usr/lib/libstdc++.so)
 CXXFLAGS+=	-Wno-narrowing
 USE_CXXSTD=	c++11
 .endif
 
 post-patch:
 	${REINPLACE_CMD} -e '/pkgconfig/s,$${LIB_INSTALL_DIR},libdata,' \
 		${WRKSRC}/CMakeLists.txt
 	${REINPLACE_CMD} -e 's,man/man1,../man/man1,' \
 		${WRKSRC}/doc/CMakeLists.txt
 
 post-patch-CAIRO-off:
 	${REINPLACE_CMD} -e '/find_package(Cairo)/d' \
 		${WRKSRC}/CMakeLists.txt
 
 .include <bsd.port.mk>