forked from mirrors/nixpkgs
783fa4616e
Sometimes it is useful for it to be slightly different. Going forward we should, however, try to make this fallback rarely needed.
96 lines
3.6 KiB
Nix
96 lines
3.6 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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}:
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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_5
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, pkgsBuildTarget, pkgsBuildBuild
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}: rec {
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toRustTarget = platform: with platform.parsed; let
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cpu_ = {
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"armv7a" = "armv7";
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"armv7l" = "armv7";
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"armv6l" = "arm";
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}.${cpu.name} or platform.rustc.arch or cpu.name;
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in platform.rustc.config
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or "${cpu_}-${vendor.name}-${kernel.name}${lib.optionalString (abi.name != "unknown") "-${abi.name}"}";
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makeRustPlatform = { rustc, cargo, ... }: rec {
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rust = {
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inherit rustc cargo;
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};
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fetchcargo = buildPackages.callPackage ../../../build-support/rust/fetchcargo.nix {
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inherit cargo;
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};
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buildRustPackage = callPackage ../../../build-support/rust {
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inherit rustc cargo fetchcargo;
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};
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rustcSrc = callPackage ./rust-src.nix {
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inherit rustc;
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};
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};
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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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# 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_5.stdenv;
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pkgsBuildBuild = pkgsBuildBuild // { targetPackages.stdenv = llvmPackages_5.stdenv; };
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pkgsBuildHost = pkgsBuildBuild // { targetPackages.stdenv = llvmPackages_5.stdenv; };
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pkgsBuildTarget = pkgsBuildTarget // { targetPackages.stdenv = llvmPackages_5.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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