Hi, On 2019-01-19 23:39:37 -0800, Jesse Zhang wrote: > On Sat, Jan 19, 2019 at 8:50 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > > > > Failed miserably. It turns out cmake has a hard dependency on libuv > > which (a) has a hard dependency on atomic ops and (b) according to its > > own docs, doesn't really care about any platforms other than > > Linux/macOS/Windows and maybe FreeBSD.> > > I beg to disagree with point b above: the libuv project continually > receives (and accepts) patches fixing bugs specifically for OpenBSD. > Atomic ops (compare-and-exchange) might be a harder dependency to shed > for libuv. Does the fallback onto compiler intrinsics > (__sync_val_compare_and_swap, or on GCC 4.7+, > __atomic_compare_exchange_n) not work here?
HPPA doesn't hardware instructions for atomic ops other than test-and-set IIRC. Greetings, Andres Freund