Horton

Re: PG versus libxml2 2.12.x

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter@eisentraut.org>
Cc: pgsql-hackers@lists.postgresql.org
Date: 2024-01-29T15:59:06Z
Lists: pgsql-hackers

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I wrote:
> Peter Eisentraut <peter@eisentraut.org> writes:
>> In PL/Tcl, we used to have these CONST84 and CONST86 things, for similar 
>> reasons.  Maybe that would be another approach.

> Yeah, if the simple cast approach turns out to create warnings,
> we'll have to fall back on using actually different declarations.
> I'm hoping to not have to go there.

Actually ... what I really want to avoid is adding a configure test.
The alternative to that would be an #if test on LIBXML_VERSION,
which I'd initially not wanted to do ... but I now notice that
we already have one of those for a nearby purpose (coping with a
different change in libxml2's error APIs).  So adding another one
of those doesn't seem so bad after all.  I now like the attached
approach better.

			regards, tom lane

Commits

  1. Fix incompatibilities with libxml2 >= 2.12.0.