-diff -r -u graphviz-2.38.0/lib/gvpr/Makefile.am src/lib/gvpr/Makefile.am
---- graphviz-2.38.0/lib/gvpr/Makefile.am 2014-04-13 13:40:25.000000000 -0700
-+++ src/lib/gvpr/Makefile.am 2016-04-02 20:34:42.351125236 -0700
-@@ -53,7 +53,7 @@
+http://www.graphviz.org/content/cant-cross-compile-graphviz
+
+diff -u -r ../graphviz-2.40.1/lib/gvpr/Makefile.am ./lib/gvpr/Makefile.am
+--- ../graphviz-2.40.1/lib/gvpr/Makefile.am 2016-08-09 23:02:10.000000000 +0200
++++ ./lib/gvpr/Makefile.am 2017-01-19 20:01:22.745725697 +0100
+@@ -57,7 +57,7 @@