Add configure test to see if the C compiler has gcc-style computed gotos.
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 20 Mar 2017 17:35:21 +0000 (13:35 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 20 Mar 2017 17:35:26 +0000 (13:35 -0400)
commitbc18126a6bcb85b51dc082c3ef4417dc016ebd9c
tree9e6de7632a69ac8ee7980dcb537b49cf1692524b
parent14a72525d2cf88a024ade4c10944c7abb900dda9
Add configure test to see if the C compiler has gcc-style computed gotos.

We'll need this for the upcoming patch to speed up expression evaluation.
Might as well push it now to see if it behaves sanely in the buildfarm.

Andres Freund

Discussion: https://postgr.es/m/20170320062511.hp5qeurtxrwsvfxr@alap3.anarazel.de
config/c-compiler.m4
configure
configure.in
src/include/pg_config.h.in
src/include/pg_config.h.win32