Index: head/math/gfanlib/Makefile
===================================================================
--- head/math/gfanlib/Makefile	(revision 556766)
+++ head/math/gfanlib/Makefile	(revision 556767)
@@ -1,40 +1,40 @@
 # $FreeBSD$
 
 PORTNAME=	gfanlib
 DISTVERSION=	0.6.2
 PORTREVISION=	1
 CATEGORIES=	math
-MASTER_SITES=	http://home.math.au.dk/jensen/software/gfan/
+MASTER_SITES=	https://users-math.au.dk/jensen/software/gfan/
 DISTNAME=	gfan${DISTVERSION}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	moritz@schmi.tt
 COMMENT=	Static library for computing Groebner fans and tropical varieties
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	${LOCALBASE}/include/cdd/cdd.h:math/cddlib
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		compiler:c++11-lang gmake localbase
 
 GNU_CONFIGURE=	yes
 CPPFLAGS+=	-I${LOCALBASE}/include/cdd
 
 CONFIGURE_WRKSRC=	${WRKSRC}/gfanlib
 BUILD_WRKSRC=		${WRKSRC}/gfanlib
 
 pre-configure:
 	for x in ${WRKSRC}/src/gfanlib*; do ${MV} $$x ${WRKSRC}/gfanlib; done
 # this is not supported yet, see ${WRKSRC}/Makefile: gfanlib_tableau.h
 # is commented in GFANLIBFILES' declaration
 	${RM} ${WRKSRC}/gfanlib/gfanlib_tableau.h
 
 do-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/include/gfanlib
 	${INSTALL_DATA} ${WRKSRC}/gfanlib/gfanlib*.h \
 		${STAGEDIR}${PREFIX}/include/gfanlib
 	${INSTALL_DATA} ${WRKSRC}/gfanlib/libgfan.a \
 		${STAGEDIR}${PREFIX}/lib/libgfan.a
 
 .include <bsd.port.mk>
Index: head/math/gfanlib/pkg-descr
===================================================================
--- head/math/gfanlib/pkg-descr	(revision 556766)
+++ head/math/gfanlib/pkg-descr	(revision 556767)
@@ -1,17 +1,7 @@
 Gfan is a software package for computing Groebner fans and tropical
-varieties. These are polyhedral fans associated to polynomial ideals.
-The maximal cones of a Groebner fan are in bijection with the marked
-reduced Groebner bases of its defining ideal. The software computes
-all marked reduced Groebner bases of an ideal. Their union is a
-universal Greobner basis. The tropical variety of a polynomial ideal
-is a certain subcomplex of the Groebner fan. Gfan contains algorithms
-for computing this complex for general ideals and specialized
-algorithms for tropical curves, tropical hypersurfaces and tropical
-varieties of prime ideals.  In addition to the above core functions
-the package contains many tools which are useful in the study of
-Groebner bases, initial ideals and tropical geometry.
+varieties.
 
-This port provides only the static library libgfan.a: you can get the
-rest of the software package from the port math/gfan.
+This port provides only the static library libgfan.a. You can get the
+rest of the software package from math/gfan.
 
-WWW: http://home.math.au.dk/jensen/software/gfan/gfan.html
+WWW: https://users-math.au.dk/jensen/software/gfan/gfan.html