[Nix-dev] Correct way to solve `libgcc_s.so.1` problem

[Shea Levy]

On Oct 16, 2013, at 5:17, Eelco Dolstra <eelco.dolstra at logicblox.com> wrote:

> Hi,
> 
> On 16/10/13 01:09, Daniel Hlynskyi wrote:
> 
>> [6] uqm
>> 
>> /* uses pthread_cancel(), which requires libgcc_s.so.1 to be
>>    loadable at run-time. Adding the flag below ensures that the
>>    library can be found. Obviously, though, this is a hack. */
>>  NIX_LDFLAGS="-lgcc_s";
> 
> This is the easiest solution and should work in all cases (except 3rd party
> binaries, which need the "patchelf --set-rpath" solution).
> 
> Of course, even better would be to fix this globally, but that's not so easy (it
> would require glibc to know the path of libgcc_s, but to do that in glibc would
> create a cyclic dependency).  We could have the gcc wrapper add gcc's lib
> directory to the RPATH of every binary, I guess.
> 

Please don't do this before multiple outputs is merged :)

> -- 
> Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/
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