nixpkgs/pkgs/development/compilers/rust/default.nix

103 lines
4 KiB
Nix

{ rustcVersion
, rustcSha256
, enableRustcDev ? true
, bootstrapVersion
, bootstrapHashes
, selectRustPackage
, rustcPatches ? []
, llvmShared
, llvmSharedForBuild
, llvmSharedForHost
, llvmSharedForTarget
, llvmPackages # Exposed through rustc for LTO in Firefox
}:
{ stdenv, lib
, buildPackages
, targetPackages
, newScope, callPackage
, CoreFoundation, Security, SystemConfiguration
, pkgsBuildBuild
, makeRustPlatform
, wrapRustcWith
}:
let
# Use `import` to make sure no packages sneak in here.
lib' = import ../../../build-support/rust/lib { inherit lib stdenv buildPackages targetPackages; };
# Allow faster cross compiler generation by reusing Build artifacts
fastCross = (stdenv.buildPlatform == stdenv.hostPlatform) && (stdenv.hostPlatform != stdenv.targetPlatform);
in
{
lib = lib';
# Backwards compat before `lib` was factored out.
inherit (lib') toTargetArch toTargetOs toRustTarget toRustTargetSpec IsNoStdTarget toRustTargetForUseInEnvVars envVars;
# This just contains tools for now. But it would conceivably contain
# libraries too, say if we picked some default/recommended versions to build
# by Hydra.
#
# In the end game, rustc, the rust standard library (`core`, `std`, etc.),
# and cargo would themselves be built with `buildRustCreate` like
# everything else. Tools and `build.rs` and procedural macro dependencies
# would be taken from `buildRustPackages` (and `bootstrapRustPackages` for
# anything provided prebuilt or their build-time dependencies to break
# cycles / purify builds). In this way, nixpkgs would be in control of all
# bootstrapping.
packages = {
prebuilt = callPackage ./bootstrap.nix {
version = bootstrapVersion;
hashes = bootstrapHashes;
};
stable = lib.makeScope newScope (self: let
# Like `buildRustPackages`, but may also contain prebuilt binaries to
# break cycle. Just like `bootstrapTools` for nixpkgs as a whole,
# nothing in the final package set should refer to this.
bootstrapRustPackages = if fastCross
then pkgsBuildBuild.rustPackages
else
self.buildRustPackages.overrideScope (_: _:
lib.optionalAttrs (stdenv.buildPlatform == stdenv.hostPlatform)
(selectRustPackage buildPackages).packages.prebuilt);
bootRustPlatform = makeRustPlatform bootstrapRustPackages;
in {
# Packages suitable for build-time, e.g. `build.rs`-type stuff.
buildRustPackages = (selectRustPackage buildPackages).packages.stable // { __attrsFailEvaluation = true; };
# Analogous to stdenv
rustPlatform = makeRustPlatform self.buildRustPackages;
rustc-unwrapped = self.callPackage ./rustc.nix ({
version = rustcVersion;
sha256 = rustcSha256;
inherit enableRustcDev;
inherit llvmShared llvmSharedForBuild llvmSharedForHost llvmSharedForTarget llvmPackages fastCross;
patches = rustcPatches;
# Use boot package set to break cycle
inherit (bootstrapRustPackages) cargo rustc rustfmt;
});
rustc = wrapRustcWith {
inherit (self) rustc-unwrapped;
sysroot = if fastCross then self.rustc-unwrapped else null;
};
rustfmt = self.callPackage ./rustfmt.nix {
inherit Security;
inherit (self.buildRustPackages) rustc;
};
cargo = if (!fastCross) then self.callPackage ./cargo.nix {
# Use boot package set to break cycle
rustPlatform = bootRustPlatform;
inherit CoreFoundation Security;
} else self.callPackage ./cargo_cross.nix {};
cargo-auditable = self.callPackage ./cargo-auditable.nix { };
cargo-auditable-cargo-wrapper = self.callPackage ./cargo-auditable-cargo-wrapper.nix { };
clippy = self.callPackage ./clippy.nix {
# We want to use self, not buildRustPackages, so that
# buildPackages.clippy uses the cross compiler and supports
# linting for the target platform.
rustPlatform = makeRustPlatform self;
inherit Security;
};
});
};
}