--- a/make/autoconf/spec.gmk.in	Wed Jun 27 09:36:34 2018 -0400
+++ b/make/autoconf/spec.gmk.in	Wed Jun 27 20:04:31 2018 +0530
@@ -675,6 +675,7 @@
 HEAD:=@HEAD@
 LS:=@LS@
 LN:=@LN@
+MIG:=@MIG@
 MKDIR:=@MKDIR@
 MV:=@MV@
 NAWK:=@NAWK@