buildCrystalPackage: enableParallelBuilding
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@ -24,6 +24,7 @@
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# Specify binaries to build in the form { foo.src = "src/foo.cr"; }
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# The default `crystal build` options can be overridden with { foo.options = [ "--optionname" ]; }
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, crystalBinaries ? { }
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, enableParallelBuilding ? true
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, ...
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}@args:
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@ -51,6 +52,20 @@ let
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buildDirectly = shardsFile == null || crystalBinaries != { };
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mkCrystalBuildArgs = bin: attrs:
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lib.concatStringsSep " " ([
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"crystal"
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"build"
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] ++ lib.optionals enableParallelBuilding [
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"--threads"
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"$NIX_BUILD_CORES"
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] ++ [
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"-o"
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bin
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(attrs.src or (throw "No source file for crystal binary ${bin} provided"))
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(lib.concatStringsSep " " (attrs.options or defaultOptions))
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]);
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in
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stdenv.mkDerivation (mkDerivationArgs // {
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@ -72,6 +87,7 @@ stdenv.mkDerivation (mkDerivationArgs // {
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PREFIX = placeholder "out";
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inherit enableParallelBuilding;
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strictDeps = true;
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buildInputs = args.buildInputs or [ ] ++ [ crystal ];
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@ -88,16 +104,7 @@ stdenv.mkDerivation (mkDerivationArgs // {
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"runHook preBuild"
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] ++ lib.optional (format == "make")
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"make \${buildTargets:-build} $makeFlags"
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++ lib.optionals (format == "crystal") (lib.mapAttrsToList
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(bin: attrs: ''
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crystal ${lib.escapeShellArgs ([
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"build"
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"-o"
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bin
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(attrs.src or (throw "No source file for crystal binary ${bin} provided"))
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] ++ (attrs.options or defaultOptions))}
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'')
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crystalBinaries)
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++ lib.optionals (format == "crystal") (lib.mapAttrsToList mkCrystalBuildArgs crystalBinaries)
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++ lib.optional (format == "shards")
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"shards build --local --production ${lib.concatStringsSep " " (args.options or defaultOptions)}"
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++ [ "runHook postBuild" ]));
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