Re: patch out of source builds

[Eli Zaretskii]

> Date: Fri, 13 Sep 2019 21:40:49 -0400
> From: Dmitry Goncharov via Bug reports and discussion for GNU  make 
> <address@hidden>
> 
> This patch makes the test suite look for config.status in the -make_path
> directory to allow testing out of source builds.

Thanks, but I don't think relying on config_status is good enough,
because some builds don't have it.  For example, what happens when
Make is built using build.sh?  And on MS-Windows the _only_ supported
build method is by using a script similar to build.sh.