Re: libcurl in libpq.pc

From: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>
To: Christoph Berg <myon(at)debian(dot)org>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Wolfgang Walther <walther(at)technowledgy(dot)de>, Timo Röhling <roehling(at)debian(dot)org>
Subject: Re: libcurl in libpq.pc
Date: 2025-09-23 21:57:34
Message-ID: CAOYmi+mEyaXG_AA5uv=oCCa1ci8cg1aA69n-Esyc1y1s955CEQ@mail.gmail.com
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On Tue, Sep 23, 2025 at 2:15 PM Jacob Champion
<jacob(dot)champion(at)enterprisedb(dot)com> wrote:
> > That would be in Cflags.private.
>
> Yes.

The FAQ you cite says

> In either case, pkg-config will output the [private dependency's] compiler flags when --static is used or not.

which seems awfully counterproductive, and was apparently
controversial when it was proposed in 2005 [1, 2]. This is why --libs
works and --cflags doesn't. Now that pkg-config's successor supports
Cflags.private, I wonder if there's room to fix these
mutually-conflicting use cases...

--Jacob

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340904#10
[2] https://bugzilla.gnome.org/show_bug.cgi?id=322240

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