From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Overriding PostGIS install directories
Date: Wed, 24 Jan 2018 15:28:54 +0100
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References: <87r2qm5t7o.fsf@sturm.com.au> <8737325679.fsf@gnu.org>
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In-Reply-To: <87po65nzdi.fsf@sturm.com.au> (Ben Sturmfels's message of "Sat,
	20 Jan 2018 11:32:41 +1100")
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To: Ben Sturmfels <ben@sturm.com.au>
Cc: Guix-devel <guix-devel@gnu.org>

Hi,

Ben Sturmfels <ben@sturm.com.au> skribis:

> On Fri, 19 Jan 2018, Ludovic Court=C3=A8s wrote:
>
>> However, I=E2=80=99d recommend simply patching =E2=80=98configure=E2=80=
=99 itself in a snippet,
>> using =E2=80=98substitute*=E2=80=99.  That way, you won=E2=80=99t have t=
o add these dependencies
>> and extra phase.
>
> Thanks, substitute* is much neater and changing configure directly is
> working.
>
> I've just discovered though that the build includes makefile templates
> from the input postgres package, eg
> ...-postgresql-10.1/lib/pgxs/src/makefiles/pgxs.mk and parents. These
> makefiles are created from a separate run of `pg_config --sharedir` when
> building postgresql.
>
> I wonder whether it would be simpler to mock the "pg_config" program to
> return the paths I want, rather than patch out all the calls to it. Is
> that possible to do for a package and its inputs? What do you think?

I guess it all depends on the number of =E2=80=98pg_config=E2=80=99 invocat=
ions that
need to be patch, and whether each one needs different treatment.  We
should minimize complexity.

Ludo=E2=80=99.