On Sat, 8 Aug 2020 12:37:42 +0400 Gleb Popov <arr...@freebsd.org> wrote:
> On Sat, Aug 8, 2020 at 1:29 AM Konstantin Belousov <kostik...@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?
Some ports use this:
.include <bsd.port.options.mk>
[...]
.if ${ARCH} == i386 && empty(CFLAGS:M-march=*)
CFLAGS+= -march=i586
.endif
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