New commits:
commit 74d55d1475ee8a1b3215c4d11ccae8adfe5af845
Author: Andrew Cagney <cagney at gnu.org>
Date: Thu Sep 12 11:47:47 2019 -0400
building: on linux, only invoke pkg-config once
Instead of everytime a file is compiled; ditto for some other
linux specific shell invocations.
(Don't expect an amazing performace boost.)