pkgs/build-support/rust/sysroot/src.nix at gcc-offload · tjh.dev/nixpkgs

tjh.dev / nixpkgs

Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)

nixpkgs / pkgs / build-support / rust / sysroot / src.nix

at gcc-offload 31 lines 683 B view raw

 1{
 2  lib,
 3  stdenv,
 4  rustPlatform,
 5  buildPackages,
 6  originalCargoToml ? null,
 7}:
 8
 9stdenv.mkDerivation {
10  name = "cargo-src";
11  preferLocalBuild = true;
12
13  unpackPhase = "true";
14  dontConfigure = true;
15  dontBuild = true;
16
17  installPhase =
18    ''
19      export RUSTC_SRC=${rustPlatform.rustLibSrc.override { }}
20    ''
21    + lib.optionalString (originalCargoToml != null) ''
22      export ORIG_CARGO=${originalCargoToml}
23    ''
24    + ''
25      ${buildPackages.python3.withPackages (ps: with ps; [ toml ])}/bin/python3 ${./cargo.py}
26      mkdir -p $out/src
27      echo '#![no_std]' > $out/src/lib.rs
28      cp Cargo.toml $out/Cargo.toml
29      cp ${./Cargo.lock} $out/Cargo.lock
30    '';
31}