Re: [pgsql-pkg-debian] [HACKERS] [PATCH] relocation truncated to fit: citus build failure on s390x

Andres Freund <andres@anarazel.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