[Nix-dev] nix.buildCores and determinism

[Domen Kožar]

You're running the build system in parallel. For example Makefiles, they
are not pure and thus builds can fail due to race conditions.
We have quite a few disabled for that reason and also that's why you have
to explicitly enable parallel building.

On Tue, Oct 11, 2016 at 1:56 AM, Ruben Astudillo <ruben.astud at gmail.com>
wrote:

> On reading `nixos-option nix.buildCores`, it says that this option can
> affect the determinism of the build. I don't understand how is important
> as the hash of the package depends on the default.nix file, not the
> build process. What does it mean to be non-deterministic in this case?
>
> -- Ruben Astudillo
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