Undefined reference to __atomic_store_8

[Gleb Popov]

On Sat, Aug 8, 2020 at 1:29 AM Konstantin Belousov <kostikbel at gmail.com>
wrote:

> On Fri, Aug 07, 2020 at 08:42:12PM +0400, Gleb Popov wrote:
> > Hello toolchain@
> >
> > I'm testing a new release of GHC (Haskell compiler) and it fails to link
> to
> > i386 architectures with
> >
> >
> /wrkdirs/usr/ports/lang/ghc/work/ghc-8.10.1/libraries/ghc-prim/dist-install/build/
> > libHSghc-prim-0.6.1-ghc8.10.1.so: undefined reference to
> `__atomic_store_8'
> >
> /wrkdirs/usr/ports/lang/ghc/work/ghc-8.10.1/libraries/ghc-prim/dist-install/build/
> > libHSghc-prim-0.6.1-ghc8.10.1.so: undefined reference to
> `__atomic_load_8'
> >
> > Any suggestions on how to fix this?
>
> Either link to libatomic from recent gcc, or switch target cpu to something
> that is pentium or newer.  I doubt that it is reasonable to run GHC on 486.
>

By switching target CPU you mean passing -march=pentium?