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

[Andrew Cagney]

New commits:
commit 4f6929a67e839ab8b0c5b6738e1df81f1c1a3af6
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Oct 15 15:01:44 2020 -0400

    building: merge builddir.mk and depend.mk into rules.mk
    
    and remove some redundant rules in initsystems/*/Makefile