[Nix-dev] Cabal in nix environment producing different binaries

Richard Wallace rwallace at thewallacepack.net
Tue Sep 9 20:07:10 CEST 2014


On Tue, Sep 9, 2014 at 10:53 AM, Mateusz Kowalczyk <fuuzetsu at fuuzetsu.co.uk>
wrote:

> On 09/09/2014 06:41 PM, Richard Wallace wrote:
> > Hello again,
> >
> > I got my nix environment all setup for building our Haskell app and went
> to
> > deploy it to a development box this morning, only to find out that it
> > wouldn't run.  After doing some inspection, it seems that the binary
> > produced in the the nix environment is radically different than out of
> the
> > nix environment.
> >
> > When building outside the nix environment with cabal sandboxes, the
> binary
> > is 40M. When building in the nix environment the binary is only 14M.  I
> > also see slightly different shared libraries linked to.  When building
> with
> > cabal I see
> >
> > linux-vdso.so.1 (0x00007fffc23f4000)
> > libz.so.1 => /usr/lib/libz.so.1 (0x00007fccc0f4d000)
> > librt.so.1 => /usr/lib/librt.so.1 (0x00007fccc0d45000)
> > libutil.so.1 => /usr/lib/libutil.so.1 (0x00007fccc0b42000)
> > libdl.so.2 => /usr/lib/libdl.so.2 (0x00007fccc093e000)
> > libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007fccc0720000)
> > libgmp.so.10 => /usr/lib/libgmp.so.10 (0x00007fccc04a9000)
> > libm.so.6 => /usr/lib/libm.so.6 (0x00007fccc01a5000)
> > libffi.so.6 => /usr/lib/libffi.so.6 (0x00007fccbff9d000)
> > libc.so.6 => /usr/lib/libc.so.6 (0x00007fccbfbef000)
> > /lib64/ld-linux-x86-64.so.2 (0x00007fccc1163000)
> >
> > When building in the nix environment, the libffi link is missing.
> >
> > My goal here is to be able to build a binary locally in nix and move it
> > over to a machine that doesn't have nix installed.  Is that going to be
> > possible?
> >
> > Thanks for all the help,
> > Rich
> >
> >
> >
> > _______________________________________________
> > nix-dev mailing list
> > nix-dev at lists.science.uu.nl
> > http://lists.science.uu.nl/mailman/listinfo/nix-dev
> >
>
> Recent thread archived at [1] may be of interest to you.
>
>
Thanks, that is very helpful :)
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