On Tue, May 30, 2017 at 4:38 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> It'd be interesting if people could gather similar numbers on other
> platforms of more real-world relevance, such as ppc64.  But based on
> this small sample, I wouldn't object to just going to -fPIC across
> the board.

That seems pretty sensible to me.  I think we should aim for a
configuration that works by default.  If we use -fPIC where -fpic
would have been better, the result is that on some platforms there
might be a speed penalty, probably small.  In the reverse situation,
the build fails.  I believe that the average PostgreSQL extension
developer will prefer the first situation.  If somebody has got an
extension which is small enough to use -fpic and that person cares
about minimizing the performance penalty on s390 or other platforms
where they have this problem, then they can arrange an override in the
opposite direction.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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