Compiling a ossp-uuid module for Win32

From: Wolfgang Rißler <wolfgang(dot)rissler(at)freenet(dot)de>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Compiling a ossp-uuid module for Win32
Date: 2021-05-06 14:57:46
Message-ID: 07295b5f-3704-1d27-5cb2-92fe8f0f31ce@freenet.de
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Hello community,

since we need a libpq for postgres v13 for a win32 project, and I did
not find a binary package, I tried to compile my own postgres v13 win32
with MSVisualStudio 2019.

This works so far, as described in the docs.
I also could add the most extensions in the config.pl (without knowing
exactly, if they are necessary for our libpq).

Only one module drives me nuts, the ossp-uuid. I cant find a binary
package (win32), but I could get the sources from here:
http://www.ossp.org/pkg/lib/uuid/
I can compile them in MinGW-environment (with ./configure and make), but
(as expected) I get an uuid.h but an .a libraryfile like for *ix systems.
The build of the libpq in postgres tells me, it needs a uuid.lib (which
is also expected since it's a MS-linker).

So my first question is:
Do I need my libpq with ossp-uuid (we don't want to use the whole
database, only the libpq)

And the second question would be (if the first answer is Yes):
How can I manage to get ossp-uuid compiled in that way, that I will get
a static .lib (or a dynamic .lib and .dll )
(Or is there a ready to use win32 binary package somewhere to download?)

The database, we're using is the v13 64bit binary-package from EDB,
where ossp-uuid is needed, because we use logical replication. But I
hope there is no ossp-uuid needed in the libpq.

Thank you.

--

- may the source be with you -

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