--- a/common/autoconf/spec.gmk.in	Wed Jul 05 20:50:41 2017 +0200
+++ b/common/autoconf/spec.gmk.in	Mon Sep 21 09:32:07 2015 +0200
@@ -495,6 +495,7 @@
 MKDIR:=@MKDIR@
 MV:=@MV@
 NAWK:=@NAWK@
+PATCH:=@PATCH@
 PRINTF:=@PRINTF@
 PWD:=@THEPWDCMD@
 RM:=@RM@