Always use -fPIC, not -fpic, when building shared libraries with gcc.
On some platforms, -fpic fails for sufficiently large shared libraries.
We've mostly not hit that boundary yet, but there are some extensions
such as Citus and pglogical where it's becoming a problem. A bit of
research suggests that the penalty for -fPIC is small, in the
single-digit-percentage range --- and there's none at all on popular
platforms such as x86_64. So let's just default to -fPIC everywhere
and provide one less thing for extension developers to worry about.
Per complaint from Christoph Berg. Back-patch to all supported branches.
(I did not bother to touch the recently-removed Makefiles for sco and
unixware in the back branches, though. We'd have no way to test that
it doesn't break anything on those platforms.)
Discussion: https://postgr.es/m/20170529155850.qojdfrwkkqnjb3ap@msg.df7cb.de
Branch
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REL9_6_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/8d9b4fe01b5e717ad85d3a3beeabf8e212524b04
Modified Files
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doc/src/sgml/dfunc.sgml | 26 ++++++++++++--------------
src/makefiles/Makefile.linux | 7 +++----
src/makefiles/Makefile.netbsd | 4 ----
src/makefiles/Makefile.openbsd | 4 ----
4 files changed, 15 insertions(+), 26 deletions(-)