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Robin Appelman 2024-09-26 18:09:03 +02:00
commit f4380e5341
4 changed files with 180 additions and 1 deletions
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32
mill-scale.nix
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@ -5,7 +5,7 @@
{ lib, src, config, flakelight, inputs, ... }:
let
inherit (builtins) elem readFile pathExists isAttrs attrNames;
inherit (lib) mkDefault mkIf mkMerge mkOption warnIf assertMsg optionalAttrs types optionalString;
inherit (lib) map mkDefault mkIf mkMerge mkOption warnIf assertMsg optionalAttrs types optionalString genAttrs hasInfix;
inherit (lib.fileset) fileFilter toSource;
inherit (flakelight.types) fileset;
@ -32,6 +32,10 @@ warnIf (! builtins ? readFileType) "Unsupported Nix version in use."
(file: file.hasExt "rs" || elem file.name ([ "Cargo.toml" "Cargo.lock" ] ++ config.extraFiles))
src;
};
crossTargets = mkOption {
type = with types; listOf str;
default = [ ];
};
};
config = mkMerge [
@ -41,6 +45,7 @@ warnIf (! builtins ? readFileType) "Unsupported Nix version in use."
(final: { inputs, rust-bin, writeShellApplication, stdenvNoCC, ... } @ prev: rec {
crateName = (craneLib.crateNameFromCargoToml { inherit src; }).pname;
craneLib = (inputs.crane.mkLib final).overrideToolchain (p: p.latestRustToolchain);
craneLibForTargets = targets: (inputs.crane.mkLib final).overrideToolchain (p: p.latestRustToolchain.override { inherit targets; });
craneLibMsrv = (inputs.crane.mkLib final).overrideToolchain (p: p.msrvRustToolchain);
cargoArtifacts = craneLib.buildDepsOnly
{
@ -107,6 +112,31 @@ warnIf (! builtins ? readFileType) "Unsupported Nix version in use."
strictDeps = true;
meta = defaultMeta;
};
} // (genAttrs config.crossTargets (
target: { craneLibForTargets, cargoArtifacts, defaultMeta, callPackage, crateName }:
let
targetCraneLib = craneLibForTargets [ target ];
crossArgs = callPackage ./crossArgs.nix {} target;
in
targetCraneLib.buildPackage
({
src = toSource { root = src; inherit (config) fileset; };
doCheck = false;
strictDeps = true;
meta = defaultMeta // {
targetPlatform = target;
binarySuffix = crossArgs.BINARY_SUFFIX or "";
};
pname = "${crateName}-${target}";
cargoExtraArgs = "--target ${target}";
} // crossArgs)
));
outputs = {
crossMatrix = map (target: {
inherit target;
binary-suffix = optionalString (hasInfix "windows" target) ".exe";
}) config.crossTargets;
};
checks =