The system type of the current Lix installation. Lix will only build a given derivation locally when its system attribute equals any of the values specified here or in extra-platforms.

The default value is set when Lix itself is compiled for the system it will run on. The following system types are widely used, as Lix is actively supported on these platforms:

In general, you do not have to modify this setting. While you can force Lix to run a Darwin-specific builder executable on a Linux machine, the result would obviously be wrong.

This value is available in the Nix language as builtins.currentSystem if the eval-system configuration option is set as the empty string.