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{ rustcVersion
, rustcSha256
, enableRustcDev ? true
, bootstrapVersion
, bootstrapHashes
, selectRustPackage
, rustcPatches ? []
}:
{ stdenv, lib
, buildPackages
, newScope, callPackage
, CoreFoundation, Security
, llvmPackages
, pkgsBuildTarget, pkgsBuildBuild
, makeRustPlatform
}: rec {
# https://doc.rust-lang.org/reference/conditional-compilation.html#target_arch
toTargetArch = platform:
if platform.isAarch32 then "arm"
else platform.parsed.cpu.name;
# https://doc.rust-lang.org/reference/conditional-compilation.html#target_os
toTargetOs = platform:
if platform.isDarwin then "macos"
else platform.parsed.kernel.name;
# Returns the name of the rust target, even if it is custom. Adjustments are
# because rust has slightly different naming conventions than we do.
toRustTarget = platform: with platform.parsed; let
cpu_ = platform.rustc.platform.arch or {
"armv7a" = "armv7";
"armv7l" = "armv7";
"armv6l" = "arm";
}.${cpu.name} or cpu.name;
in platform.rustc.config
or "${cpu_}-${vendor.name}-${kernel.name}${lib.optionalString (abi.name != "unknown") "-${abi.name}"}";
# Returns the name of the rust target if it is standard, or the json file
# containing the custom target spec.
toRustTargetSpec = platform:
if (platform.rustc or {}) ? platform
then builtins.toFile (toRustTarget platform + ".json") (builtins.toJSON platform.rustc.platform)
else toRustTarget platform;
# This just contains tools for now. But it would conceivably contain
# libraries too, say if we picked some default/recommended versions from
# `cratesIO` to build by Hydra and/or try to prefer/bias in Cargo.lock for
# all vendored Carnix-generated nix.
#
# 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 = 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;
# Analogous to stdenv
rustPlatform = makeRustPlatform self.buildRustPackages;
rustc = self.callPackage ./rustc.nix ({
version = rustcVersion;
sha256 = rustcSha256;
inherit enableRustcDev;
patches = rustcPatches;
# Use boot package set to break cycle
rustPlatform = bootRustPlatform;
} // lib.optionalAttrs (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) {
stdenv = llvmPackages.stdenv;
pkgsBuildBuild = pkgsBuildBuild // { targetPackages.stdenv = llvmPackages.stdenv; };
pkgsBuildHost = pkgsBuildBuild // { targetPackages.stdenv = llvmPackages.stdenv; };
pkgsBuildTarget = pkgsBuildTarget // { targetPackages.stdenv = llvmPackages.stdenv; };
});
rustfmt = self.callPackage ./rustfmt.nix { inherit Security; };
cargo = self.callPackage ./cargo.nix {
# Use boot package set to break cycle
rustPlatform = bootRustPlatform;
inherit CoreFoundation Security;
};
clippy = self.callPackage ./clippy.nix { inherit Security; };
rls = self.callPackage ./rls { inherit CoreFoundation Security; };
});
};
}
|
