[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit cde1548f63ac5b7a3996c3e4371c0abde88d61a9
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Oct 15 13:59:38 2020 -0400

    building: eliminate subdirs.mk stub