On Wed, Aug 19, 2020 at 10:15 PM Gleb Popov <arr...@freebsd.org> wrote:

> Hi toolchain@
>
> I'm building the latest GHC on 12.1-RELEASE i386 and having almost the
> same problem as with atomic functions. This time the error is
>
> d: error: undefined symbol: __bswapsi2
> >>> referenced by TTY.c
> >>>               RTS.thr_p_o:(rtsSyms) in archive
> /wrkdirs/usr/ports/lang/ghc/work/ghc-8.10.2/rts/dist/build/libHSrts_thr_p.a
>
> ld: error: undefined symbol: __bswapdi2
> >>> referenced by TTY.c
> >>>               RTS.thr_p_o:(rtsSyms) in archive
> /wrkdirs/usr/ports/lang/ghc/work/ghc-8.10.2/rts/dist/build/libHSrts_thr_p.a
>
> What's wrong with that? These functions seem to be present in our
> compiler-rt.
>

Reading /usr/src/lib/libcompiler_rt/Makefile.inc, it seems that we don't
compile these functions. What's the reason for this?
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