tjh.dev
Merge pull request #4750 from abbradar/nix-maxcores
Add buildCores option to nix
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nixos/modules/services/misc/nix-daemon.nix
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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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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 {