Re: NetBSD base gcc & libatomic

[Onno van der Linden <o.vd.linden%quicknet.nl@localhost>]

On Sat, Dec 05, 2020 at 09:03:30PM +0100, Rhialto wrote:
> On Fri 04 Dec 2020 at 15:42:43 +0100, Riccardo Mottola wrote:
> > on x86-32, I noticed our compiler emits calls to atomic functions, but
> > does not ship libatomic, which is available only as an "addon" in pkgsrc.
> > I think the base compiler should be consistent and either ship libraries
> > it uses or do not use.
> > Gcc from pkgsrc then is free to pull libatomic in instead.
> > 
> > What do you think?
> 
> In pkgsrc-users I posted a mail about compiling
> pkgsrc/wip/sdl-hercules-hyperion on NetBSD/i386, where gcc generated
> calls to (at least) __sync_fetch_and_add_8 and
> __atomic_compare_exchange_8. I installed libatomic from pkgsrc, but it
> didn't appear to provide any functions starting with __sync (according
> to nm).

-march=i586 could/should work for i386 unless the real hardware is really old
or the emulation doesn't support it.

Onno