Index: head/lang/ypsilon/Makefile
===================================================================
--- head/lang/ypsilon/Makefile	(revision 422186)
+++ head/lang/ypsilon/Makefile	(revision 422187)
@@ -1,38 +1,41 @@
 # Created by: Vitaly Magerya <vmagerya@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	ypsilon
 PORTVERSION=	0.9.6.3
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	lang scheme
-MASTER_SITES=	GOOGLE_CODE
-DISTNAME=	${PORTNAME}-0.9.6.update3
 
 MAINTAINER=	vmagerya@gmail.com
 COMMENT=	Scheme implementation for real-time applications
 
-BROKEN=		Unfetchable (google code has gone away)
+LICENSE=	BSD3CLAUSE
+LICENSE_FILE=	${WRKSRC}/license.txt
 
+USE_GITHUB=	yes
+GH_TUPLE=	fujita-y:ypsilon:0.9.6-update3
+
 USES=		gmake
+USE_GCC=	yes
 
 MAKE_ARGS=	DATADIR="${DATADIR}"
 
 ONLY_FOR_ARCHS=	i386 amd64
 
 OPTIONS_DEFINE=	EXAMPLES
 
 post-patch:
 	${REINPLACE_CMD} 's/-fno-[a-z-]*//g' ${WRKSRC}/Makefile
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.1 ${STAGEDIR}${MANPREFIX}/man/man1
 	@${MKDIR} ${STAGEDIR}${DATADIR}
 	(cd ${WRKSRC}/ && ${COPYTREE_SHARE} "sitelib stdlib" ${STAGEDIR}${DATADIR})
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${INSTALL_DATA} ${WRKSRC}/example/*.scm ${STAGEDIR}${EXAMPLESDIR}
 
 regression-test: build
 	cd ${WRKSRC} && ${MAKE_CMD} check
 
 .include <bsd.port.mk>
Index: head/lang/ypsilon/distinfo
===================================================================
--- head/lang/ypsilon/distinfo	(revision 422186)
+++ head/lang/ypsilon/distinfo	(revision 422187)
@@ -1,2 +1,3 @@
-SHA256 (ypsilon-0.9.6.update3.tar.gz) = 2ca3c901dc3f6bca857a94a9d991d14ecc12727d2833694f0e4f5aa1a8a4064d
-SIZE (ypsilon-0.9.6.update3.tar.gz) = 4555843
+TIMESTAMP = 1473879222
+SHA256 (fujita-y-ypsilon-0.9.6.3-0.9.6-update3_GH0.tar.gz) = b4d8536f76b750c873529fa1dc2511ecf335e68bdc892e3f06fa57b4f0e89886
+SIZE (fujita-y-ypsilon-0.9.6.3-0.9.6-update3_GH0.tar.gz) = 3258648
Index: head/lang/ypsilon/pkg-descr
===================================================================
--- head/lang/ypsilon/pkg-descr	(revision 422186)
+++ head/lang/ypsilon/pkg-descr	(revision 422187)
@@ -1,6 +1,7 @@
 Ypsilon is an implementation of Scheme programming language for real-time
 applications, which conforms to the latest standard R^6RS.
 Ypsilon features mostly concurrent garbage collector optimized for systems
 with multiple CPUs, and an easy to use FFI.
 
-WWW: http://code.google.com/p/ypsilon/
+WWW: http://www.littlewingpinball.net/mediawiki/index.php/Ypsilon
+WWW: https://github.com/fujita-y/ypsilon