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From: Wolfgang Walther <[email protected]>
To: Jacob Champion <[email protected]>
Cc: Jelte Fennema-Nio <[email protected]>
Cc: Christoph Berg <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Daniel Gustafsson <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Nazir Bilal Yavuz <[email protected]>
Cc: Antonin Houska <[email protected]>
Subject: Re: [PoC] Federated Authn/z with OAUTHBEARER
Date: Mon, 14 Apr 2025 20:27:46 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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Wolfgang Walther:
 > So yes, not related to your patch. I do understand that PostgreSQL's
 > autoconf build system is not designed for "static only", I am certainly
 > not expecting you to fix that.
 >
 > I think meson will do better here, but I was not able to make that work,
 > yet.
I did a basic meson build. Full postgresql package, not libpq-only.

The static-only build just works. On master that is. Same as the regular 
build.

So yes, meson will handle the static stuff much better.


 > I just tried the same thing on the bigger postgresql package, where the
 > full build is run and not only libpq / libpq-oauth. It fails with the
 > same error. No rule for oauth-curl.o.
Applying the v5 patch to the above meson build, will give me a different 
error. This time for both the static-only and the regular build:

   src/interfaces/libpq-oauth/meson.build:18:22: ERROR: File 
oauth-curl.c does not exist.

This.. clears it up, because that file is indeed missing for me on disk. 
I assume that's because this file is tracked as a rename in the v5 
patch. I can apply this with git, but not directly in the nix build 
system. TIL, I need to use "fetchpatch2" instead of "fetchpatch" for 
that. Sure thing.


So, with the patch applied correctly, I get the following:

1. Meson regular build:

libpq-oauth-18.so
libpq.so
libpq.so.5
libpq.so.5.18

The libpq.so file has references to dlopen and libpq-auth-18.so, cool.

2. Meson static-only build:

libpq.a
libpq-oauth-18.a

The libpq.a file has no references to dlopen, but plenty of references 
to curl stuff.

I'm not sure what the libpq-oauth-18.a file is for.

3. Back to the lipq-only build with autoconf, from where I started. I 
only need to add the following line:

make -C src/interfaces/libpq-oauth install

and get this:

libpq-oauth-18.so
libpq.so
libpq.so.5
libpq.so.5.18

Sweet!

4. Of course the static-only build does not work with autoconf, but 
that's expected.

So, sorry for the noise before. Now, that I know how to apply patches 
with renames, I will try your next patch as well.

Best,

Wolfgang

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