[review v2] Generate gnulib's toplevel Makefile.in using automake

[Simon Marchi (Code Review)]

Simon Marchi has posted comments on this change.

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/622
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Patch Set 2:

The file gnulib/aclocal-m4-deps.mk is not used anymore.  I believe that the automake-generated Makefile.in offers the feature that we did by hand using that file, so I think it's fine to just get rid of it.

I'm adding Tom as a reviewer, as he has some experience with Automake, I believe, so he might be able to spot some problems that I did not.


-- 
Gerrit-Project: binutils-gdb
Gerrit-Branch: master
Gerrit-Change-Id: I6a2c4d41cf4f0e21d5c813197bad63ed5c08e408
Gerrit-Change-Number: 622
Gerrit-PatchSet: 2
Gerrit-Owner: Christian Biesinger <cbiesinger@google.com>
Gerrit-Reviewer: Christian Biesinger <cbiesinger@google.com>
Gerrit-Reviewer: Simon Marchi <simon.marchi@polymtl.ca>
Gerrit-Reviewer: Tom Tromey <tromey@sourceware.org>
Gerrit-Comment-Date: Fri, 15 Nov 2019 01:06:36 +0000
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