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Re: 'patchelf' doesn't change shared libraries

From: Ludovic Courtès
Subject: Re: 'patchelf' doesn't change shared libraries
Date: Tue, 16 Jul 2013 00:01:41 +0200
User-agent: Gnus/5.130007 (Ma Gnus v0.7) Emacs/24.3 (gnu/linux)

Nikita Karetnikov <address@hidden> skribis:

>> Could you run ‘objdump -x .../ghc-pkg | grep PATH’, to check what its
>> actual RPATH/RUNPATH is?
>   RUNPATH              
> /nix/store/jndql2lmx3mzqmwhqh44bhm95wj8r9cy-gmp-5.1.2/lib:/nix/store/bz3az8a2699c77bgy8nm5cy77rypgw96-ncurses-5.9/lib
> $ objdump -x 
> /nix/store/4g873aa2h6c8c2qfsiw0j1cbvhginx4d-ghc-bin-7.0.1/lib/ghc-7.0.1/ghc-pkg
>  | egrep 'libgmp|libncurses'
>   NEEDED     
>   NEEDED     
> Is there a way to solve this without a symlink [1]?
>> Perhaps you could try to run it by hand to see what happens (copy the
>> original binary by hand, and try it.)
> Do you mean 'ghc-7.0.1/utils/ghc-pkg/dist-install/build/tmp/ghc-pkg'?


> $ ./ghc-pkg
> ./ghc-pkg: error while loading shared libraries: cannot open 
> shared object file: No such file or directory

OK, so the RUNPATH is correct, but ghc-pkg expects a libgmp with an
older SONAME.

The correct fix would be to add the old GMP version that produces to multiprecision.scm, and to use that as an input to GHC.

According to <>, may correspond to GMP 4.3.2.


  (define gmp-4.3
    (package (inherit gmp)
      (version "4.3.2")
      (source (origin ...))))

And the use that in GHC.



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