From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Christoph Berg <myon(at)debian(dot)org>, Jason Petersen <jason(at)citusdata(dot)com>, pgsql-pkg-debian(at)postgresql(dot)org, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] [PATCH] relocation truncated to fit: citus build failure on s390x |
Date: | 2017-05-30 16:47:20 |
Message-ID: | 24279.1496162840@sss.pgh.pa.us |
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Lists: | pgsql-hackers pgsql-pkg-debian |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2017-05-29 15:45:11 -0400, Tom Lane wrote:
>> Maybe this is small enough to not be something we need to worry about,
>> but I'm wondering if we should ask citus and other large .so's to set
>> some additional make flag that would cue usage of -fPIC over -fpic.
> I think we can fix this easily enough in Citus, postgis, and whatever.
> But it's not a particularly good user/developer experience, and
> presumably is going to become more and more common. On x86 there
> shouldn't be a difference in efficiency between the two, but some others
> will see some. Given that most distributions switched to building the
> main executables with -fPIE anyway, to allow for ASLR, it seems unlikely
> that the intra extension overhead is going to be very meaningful in
> comparison.
Very possibly true, but I wish we had some hard facts and not just
guesses.
regards, tom lane
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