Description: make generated files reproducible
 Adding a comment to mention that a file is generated is fine.
 .
 But this comment must not contain the absolute path of the generating file, which is given by $0.
 .
 Hardcoding the file name is not elegant, but it's simple...
Bug: https://github.com/Raku/nqp/issues/675
Bug-Debian: https://bugs.debian.org/971617
Author: dod
Index: nqp/tools/build/gen-cat.pl
===================================================================
--- nqp.orig/tools/build/gen-cat.pl
+++ nqp/tools/build/gen-cat.pl
@@ -15,7 +15,7 @@ if ($stage ne "stage1" && $stage ne "sta
 }
 
 print <<"END_HEAD";
-# This file automatically generated by $0
+# This file automatically generated by gen-cat.pl
 
 END_HEAD
 
Index: nqp/tools/build/generate-constants.pl
===================================================================
--- nqp.orig/tools/build/generate-constants.pl
+++ nqp/tools/build/generate-constants.pl
@@ -9,7 +9,7 @@ print <<"END_HEADER";
 # DO NOT EDIT THIS FILE.
 #
 # This file is generated automatically from
-# $0
+# generate-constants.pl
 #
 # Any changes made here will be lost.
 #