--- old/make/autoconf/spec.gmk.in	2018-06-22 02:30:22.060000000 +0530
+++ new/make/autoconf/spec.gmk.in	2018-06-22 02:30:21.844000000 +0530
@@ -673,6 +673,7 @@
 HEAD:=@HEAD@
 LS:=@LS@
 LN:=@LN@
+MIG:=@MIG@
 MKDIR:=@MKDIR@
 MV:=@MV@
 NAWK:=@NAWK@