[Haskell-cafe] Linking + zstd on FreeBSD

[Carter Schonwald]

When binding c libraries, I often prefix a custom/unique Descriptive
sequence  for All linker visible symbols.

So Eg you could do vanmach_zstdlib_ as a prefix

On Tue, Jun 30, 2020 at 12:32 PM Jinwoo Lee <jinwoo68 at gmail.com> wrote:

> 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
>>
>>
>> _______________________________________________
>> Haskell-Cafe mailing list
>> To (un)subscribe, modify options or view archives go to:
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
>> Only members subscribed via the mailman list are allowed to post.
>
> _______________________________________________
> Haskell-Cafe mailing list
> To (un)subscribe, modify options or view archives go to:
> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
> Only members subscribed via the mailman list are allowed to post.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/haskell-cafe/attachments/20200708/c3b39f05/attachment.html>