Zack Weinberg <invalid.nore...@gnu.org> writes:
> Follow-up Comment #1, sr #110740 (project autoconf):
> Version checks are always fragile, but writing a functional probe for
> properties related to race conditions can be extremely difficult. Do you have
> any ideas for how we should go about it?
I think autoconf is being overambitious by promising to detect
race-free-ness. You can't really.
Having said that, it appears to me that POSIX has required
race-free-ness since the nineties, so do you really need to?
Just check that the -p option is accepted, and call it good.
regards, tom lane
