[Haskell-cafe] Linking + zstd on FreeBSD

[Jinwoo Lee]

The error message seems to say why. The GHC RTS already has xxhash.c and
zstd also has that file. I'm not sure how to resolve this though.


On Mon, Jun 29, 2020 at 7:44 AM Vanessa McHale <vamchale at gmail.com> wrote:

> I tried linking against zstd within a Vagrant simulating FreeBSD. I get
> the following:
>
> ld: error: duplicate symbol: XXH64
> >>> defined at xxhash.c
> >>>            xxhash.o:(XXH64) in archive
>
> /home/vagrant/.cabal/store/ghc-8.8.3/zstd-0.1.2.0-c8ee757c8e8a7307779ab3cfbc91f3445940e16bbf8f9916f4c90432a0ac499e/lib/libHSzstd-0.1.2.0-c8ee757c8e8a7307779ab3cfbc91f3445940e16bbf8f9916f4c90432a0ac499e.a
> >>> defined at xxhash.c:693
> (/wrkdirs/usr/ports/lang/ghc/work/ghc-8.8.3/rts/xxhash.c:693)
> >>>            RTS.o:(.text.XXH64+0x0) in archive
> /usr/local/lib/ghc-8.8.3/rts/libHSrts.a
>
> ...
>
> I am using GHC version 8.8.3_1 and cabal-install 3.0 installed by 'sudo
> pkg install ...'
>
> (I was trying to run cabal install language-dickinson)
>
> Cheers,
> Vanessa McHale
>
>
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