Carlo Marcelo Arenas Belón 3257c34073 FindThreads: avoid failing in AIX when using -D_XOPEN_SOURCE=500 ...

Current FindThreads fails in AIX (tested on 7.1 and 7.2) when using
additional compilation flags (ex: -D_XOPEN_SOURCE=500) because the
linker might need additional flags to link and those aren't yet known
by the time check_include("pthread.h") is run (which is also the first
test).

Remove the check for it and all supporting code and rely instead on
the compilation test that will be done later to find the correct
syntax to use, and that confirms it exists implicitly.

2022-05-03 12:26:18 -04:00

7.8 KiB

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