100 lines
4.1 KiB
Nix
100 lines
4.1 KiB
Nix
{ rustcVersion
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, rustcSha256
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, enableRustcDev ? true
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, bootstrapVersion
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, bootstrapHashes
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, selectRustPackage
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, rustcPatches ? []
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}:
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{ stdenv, lib
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, buildPackages
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, newScope, callPackage
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, CoreFoundation, Security
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, llvmPackages
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, pkgsBuildTarget, pkgsBuildBuild
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, makeRustPlatform
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}: rec {
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# https://doc.rust-lang.org/reference/conditional-compilation.html#target_arch
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toTargetArch = platform:
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if platform.isAarch32 then "arm"
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else platform.parsed.cpu.name;
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# https://doc.rust-lang.org/reference/conditional-compilation.html#target_os
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toTargetOs = platform:
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if platform.isDarwin then "macos"
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else platform.parsed.kernel.name;
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# Returns the name of the rust target, even if it is custom. Adjustments are
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# because rust has slightly different naming conventions than we do.
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toRustTarget = platform: with platform.parsed; let
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cpu_ = platform.rustc.platform.arch or {
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"armv7a" = "armv7";
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"armv7l" = "armv7";
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"armv6l" = "arm";
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}.${cpu.name} or cpu.name;
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in platform.rustc.config
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or "${cpu_}-${vendor.name}-${kernel.name}${lib.optionalString (abi.name != "unknown") "-${abi.name}"}";
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# Returns the name of the rust target if it is standard, or the json file
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# containing the custom target spec.
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toRustTargetSpec = platform:
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if (platform.rustc or {}) ? platform
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then builtins.toFile (toRustTarget platform + ".json") (builtins.toJSON platform.rustc.platform)
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else toRustTarget platform;
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# This just contains tools for now. But it would conceivably contain
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# libraries too, say if we picked some default/recommended versions from
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# `cratesIO` to build by Hydra and/or try to prefer/bias in Cargo.lock for
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# all vendored Carnix-generated nix.
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#
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# In the end game, rustc, the rust standard library (`core`, `std`, etc.),
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# and cargo would themselves be built with `buildRustCreate` like
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# everything else. Tools and `build.rs` and procedural macro dependencies
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# would be taken from `buildRustPackages` (and `bootstrapRustPackages` for
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# anything provided prebuilt or their build-time dependencies to break
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# cycles / purify builds). In this way, nixpkgs would be in control of all
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# bootstrapping.
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packages = {
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prebuilt = callPackage ./bootstrap.nix {
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version = bootstrapVersion;
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hashes = bootstrapHashes;
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};
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stable = lib.makeScope newScope (self: let
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# Like `buildRustPackages`, but may also contain prebuilt binaries to
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# break cycle. Just like `bootstrapTools` for nixpkgs as a whole,
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# nothing in the final package set should refer to this.
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bootstrapRustPackages = self.buildRustPackages.overrideScope' (_: _:
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lib.optionalAttrs (stdenv.buildPlatform == stdenv.hostPlatform)
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(selectRustPackage buildPackages).packages.prebuilt);
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bootRustPlatform = makeRustPlatform bootstrapRustPackages;
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in {
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# Packages suitable for build-time, e.g. `build.rs`-type stuff.
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buildRustPackages = (selectRustPackage buildPackages).packages.stable;
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# Analogous to stdenv
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rustPlatform = makeRustPlatform self.buildRustPackages;
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rustc = self.callPackage ./rustc.nix ({
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version = rustcVersion;
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sha256 = rustcSha256;
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inherit enableRustcDev;
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patches = rustcPatches;
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# Use boot package set to break cycle
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rustPlatform = bootRustPlatform;
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} // lib.optionalAttrs (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) {
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stdenv = llvmPackages.stdenv;
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pkgsBuildBuild = pkgsBuildBuild // { targetPackages.stdenv = llvmPackages.stdenv; };
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pkgsBuildHost = pkgsBuildBuild // { targetPackages.stdenv = llvmPackages.stdenv; };
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pkgsBuildTarget = pkgsBuildTarget // { targetPackages.stdenv = llvmPackages.stdenv; };
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});
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rustfmt = self.callPackage ./rustfmt.nix { inherit Security; };
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cargo = self.callPackage ./cargo.nix {
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# Use boot package set to break cycle
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rustPlatform = bootRustPlatform;
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inherit CoreFoundation Security;
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};
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clippy = self.callPackage ./clippy.nix { inherit Security; };
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rls = self.callPackage ./rls { inherit CoreFoundation Security; };
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});
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};
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}
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