From: | Marco Atzeri <marco(dot)atzeri(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Cygwin linking rules |
Date: | 2018-10-02 19:20:06 |
Message-ID: | d45aed44-ba15-7e22-7a3e-4ab312b18ab5@gmail.com |
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Thread: | |
Lists: | pgsql-hackers |
Am 02.10.2018 um 19:07 schrieb Tom Lane:
> Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> writes:
>> On 09/29/2018 02:13 PM, Marco Atzeri wrote:
>>> [ proposed patch ]
>
>> Yes. So there are a couple of things here. First, the dll has
>> SO_MAJORVERSION in the name. And second it stops building any static
>> libraries and instead builds windows import libraries with names like
>> lippq.a.
>
> I'm pretty much -1 on adding SO_MAJORVERSION to the library names.
> It seems like it will cause churn to library users without really
> accomplishing much, because when was the last time we changed the
> SO_MAJORVERSION of anything?
>
> I'd suggest that if we ever do change libpq's SO_MAJORVERSION,
> that would be the time to append the suffix (so we'd go from libpq.dll
> to libpq-6.dll). For now, let's not fix what isn't broken.
On cygwin the library is cygpq-5.dll by long time;
around 2013 with 9.2.x we standardized to have the
SO_MAJORVERSION in the lib name as all the other
packages
https://cygwin.com/packages/x86_64/libpq5/libpq5-10.5-1
same as on Unix/Linux
https://packages.debian.org/sid/amd64/libpq5/filelist
> However, the .a linking definitely is broken, and if this way
> of building fixes it, that's great. I do not have the ability
> to test it, but we can throw it into the buildfarm to see what
> happens.
>
>> I think we should apply this to HEAD. If it's not too late it would
>> probably be a good thing for release 11 - would need a release note.
>
> I think it's too late for 11; we're too close to RC1, and besides
> the problem this is fixing doesn't seem to manifest before my
> recent port/common library changes. (If that's not so, maybe it
> qualifies as a bug fix for back branches; but it seems rather
> high risk.)
No problem. It works for my cygwin package release
but I could have broken something around and it need to be tested.
> regards, tom lane
Regards
Marco
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