Index: head/cad/graywolf/Makefile
===================================================================
--- head/cad/graywolf/Makefile	(revision 529066)
+++ head/cad/graywolf/Makefile	(revision 529067)
@@ -1,23 +1,27 @@
 # $FreeBSD$
 
 PORTNAME=	graywolf
 DISTVERSION=	0.1.6-3
 DISTVERSIONSUFFIX=	-g6c5e24f
+PORTREVISION=	1
 CATEGORIES=	cad
+
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${PORTNAME}/commit/
+PATCHFILES+=	af606a0e8c6f693448978a300e5603fd5a8f2aef.patch:-p1 # https://github.com/rubund/graywolf/pull/41
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Fork of TimberWolf, a placement tool in VLSI design
 
 LICENSE=	GPLv2
 
 LIB_DEPENDS=	libgsl.so:math/gsl
 
 USES=		cmake pkgconfig xorg
 USE_GITHUB=	yes
 GH_ACCOUNT=	rubund
 USE_XORG=	ice sm x11 xext
 USE_LDCONFIG=	yes
 
 USE_GCC=	any # lots of obviously incorrect C where clang fails, which gcc nevertheless magically finds a way to compile
 
 .include <bsd.port.mk>
Index: head/cad/graywolf/distinfo
===================================================================
--- head/cad/graywolf/distinfo	(revision 529066)
+++ head/cad/graywolf/distinfo	(revision 529067)
@@ -1,3 +1,5 @@
-TIMESTAMP = 1584870522
+TIMESTAMP = 1585083525
 SHA256 (rubund-graywolf-0.1.6-3-g6c5e24f_GH0.tar.gz) = 79f8a15e8e6228bd3f5bdb5fccfdcc1b891327d6ced166eac180d523ee60662f
 SIZE (rubund-graywolf-0.1.6-3-g6c5e24f_GH0.tar.gz) = 910961
+SHA256 (af606a0e8c6f693448978a300e5603fd5a8f2aef.patch) = 204e248dc611986e98c7593522d6364fae1319844c34ddb54ef280ba53262721
+SIZE (af606a0e8c6f693448978a300e5603fd5a8f2aef.patch) = 1106
Index: head/cad/graywolf/pkg-plist
===================================================================
--- head/cad/graywolf/pkg-plist	(revision 529066)
+++ head/cad/graywolf/pkg-plist	(revision 529067)
@@ -1,20 +1,21 @@
 bin/graywolf
 lib/graywolf/bin/Mincut
 lib/graywolf/bin/TimberWolfMC
 lib/graywolf/bin/TimberWolfSC
+lib/graywolf/bin/flow/flow
 lib/graywolf/bin/flow/flow.noroute/macro.fdbg
 lib/graywolf/bin/flow/flow.noroute/macro.flow
 lib/graywolf/bin/flow/flow.noroute/macro.fnog
 lib/graywolf/bin/flow/flow.noroute/mixed.flow
 lib/graywolf/bin/flow/flow.noroute/mixed.fnog
 lib/graywolf/bin/flow/flow.noroute/standard.fdbg
 lib/graywolf/bin/flow/flow.noroute/standard.flow
 lib/graywolf/bin/flow/flow.noroute/standard.fnog
 lib/graywolf/bin/genrows
 lib/graywolf/bin/mc_compact
 lib/graywolf/bin/show_flows
 lib/graywolf/bin/splt_file.a
 lib/graywolf/bin/syntax
 lib/libycadgraywolf.so
 lib/libycadgraywolf.so.1
 lib/libycadgraywolf.so.1.0.0