Re: [sr #110740] AC_PROG_MKDIR_P has incorrect result on NetBSD

2022-10-11 Thread Paul Eggert
On 2022-10-11 10:04, Tom Lane wrote: it appears to me that POSIX has required race-free-ness since the nineties, so do you really need to? As I recall, NetBSD had the race bug more recently than the 1990s. Are the newer-than-1990s buggy NetBSD versions EOLed yet? ("EOL" means NetBSD doesn't s

Re: [sr #110740] AC_PROG_MKDIR_P has incorrect result on NetBSD

2022-10-11 Thread Tom Lane
Zack Weinberg 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 bein