commit f079cd1721cd50d188f3c32387a074bf00afb34d · pyrox.dev/nixpkgs

+14
nixos/modules/services/misc/nix-daemon.nix
···

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               # /etc/nixos/configuration.nix.  Do not edit it!

     

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               build-users-group = nixbld

     

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               build-max-jobs = ${toString (cfg.maxJobs)}

     

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       +
               build-cores = ${toString (cfg.buildCores)}

     

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               build-use-chroot = ${if cfg.useChroot then "true" else "false"}

     

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               build-chroot-dirs = ${toString cfg.chrootDirs} /bin/sh=${sh} $(echo $extraPaths)

     

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               binary-caches = ${toString cfg.binaryCaches}

     
···

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                 set it to the number of CPUs in your system (e.g., 2 on an Athlon

     

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                 64 X2).

     

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               ";

     

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             };

     

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       +
       

     

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             buildCores = mkOption {

     

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               type = types.int;

     

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               default = 1;

     

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               example = 64;

     

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               description = ''

     

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                 This option defines the maximum number of concurrent tasks during

     

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                 one build. It affects, e.g., -j option for make. The default is 1.

     

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                 Some builds may become non-deterministic with this option; use with

     

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                 care! Packages will only be affected if enableParallelBuilding is

     

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                 set for them.

     

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               '';

     

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             };

     

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             useChroot = mkOption {