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70 lines
2.8 KiB
Nix
70 lines
2.8 KiB
Nix
{ stdenv, lib, overrideCC
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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, pkgsBuildHost
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}: rec {
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makeRustPlatform = { rustc, cargo, ... }: {
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rust = {
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inherit rustc cargo;
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};
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buildRustPackage = callPackage ../../../build-support/rust {
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inherit rustc cargo;
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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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};
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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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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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buildPackages.rust.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 = buildPackages.rust.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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# 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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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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});
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};
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}
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