Re: BUG #16920: Can't compile PostGIS with MingW64 against PostgreSQL 14 head

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Regina Obe <lr(at)pcorp(dot)us>, 'Juan José Santamaría Flecha' <juanjo(dot)santamaria(at)gmail(dot)com>, "'PostgreSQL mailing lists'" <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: BUG #16920: Can't compile PostGIS with MingW64 against PostgreSQL 14 head
Date: 2021-03-14 17:58:51
Message-ID: 2872301.1615744731@sss.pgh.pa.us
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I came across a very relevant mingw bug report:

https://sourceforge.net/p/mingw-w64/bugs/465/

in which they were trying to clear an 8-byte jmp_buf field with a
4-byte instruction. That would go a long way towards explaining the
sort of problems we're seeing ... except it was fixed five years ago.
I trust none of the buildfarm animals are still using old mingw
versions.

regards, tom lane

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