From: Junio C Hamano <gitster@pobox.com>
Date: Sun, 10 Aug 2014 23:39:08 GMT
Subject: Re: [PATCH] Update hard-coded header dependencies
Message-ID: <xmqqy4uv7w4j.fsf@gitster.dls.corp.google.com>
In-Reply-To: <xmqq38d39b2d.fsf@gitster.dls.corp.google.com>

Junio C Hamano <gitster@pobox.com> writes:

> Jonathan Nieder <jrnieder@gmail.com> writes:
>
>> ?  People using ancient compilers that never change headers wouldn't
>> be hurt, people using modern compilers that do change headers also
>> wouldn't be hurt, and we could stop pretending to maintain an
>> up-to-date list.
>
> I agree that it is very tempting to declare that we do not manually
> "maintain" the dependency list and force people without -MMD to
> recompile whenever any unrelated header changes.  Especially that
> this patch only works on the 'master' branch and upwards, and does
> not even work on 'maint', let alone 1.9 or 1.8.5 maintenance tracks.
>
> Let's consider the merit of that approach after 2.1 is out.  Thanks.

Actually "upwards" is not even true; the 'next' branch already wants
e.g. trace.h to build credential-store.o, which is not needed for
the 'master' branch.