Thomas Munro 37a65d1db1 Remove configure probes for sys/ipc.h, sys/sem.h, sys/shm.h.
These are in SUSv2 and every targeted Unix system has them.  It's not
hard to avoid including them on Windows system because they're mostly
used in platform-specific translation units.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CA%2BhUKG%2BL_3brvh%3D8e0BW_VfX9h7MtwgN%3DnFHP5o7X2oZucY9dg%40mail.gmail.com
2022-08-14 00:09:47 +12:00
..
2022-08-07 09:36:01 -07:00
2022-04-07 07:45:25 +02:00
2022-07-06 07:41:33 +02:00