{ # Use master branch of the overlay by default mozillaOverlay ? import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz), rustManifest ? ./channel-rust-nightly.toml, }: let pkgs = import { overlays = [ mozillaOverlay ]; }; rustcSrc = pkgs.fetchgit { url = https://github.com/rust-lang/rust.git; # master of 2020-04-25 rev = "14b15521c52549ebbb113173b4abecd124b5a823"; sha256 = "0a6bi8g636cajpdrpcfkpza95b7ss7041m9cs6hxcd7h8bf6xhwi"; fetchSubmodules = true; }; targets = []; rustChannelOfTargets = _channel: _date: targets: (pkgs.lib.rustLib.fromManifestFile rustManifest { inherit (pkgs) stdenv fetchurl patchelf; }).rust.override { inherit targets; }; rust = rustChannelOfTargets "nightly" null targets; rustPlatform = pkgs.recurseIntoAttrs (pkgs.makeRustPlatform { rustc = rust // { src = rustcSrc; }; cargo = rust; }); gcc = pkgs.pkgsCross.armv7l-hf-multiplatform.buildPackages.gcc; xbuildRustPackage = { cargoFeatures, crateSubdir, ... } @ attrs: let buildPkg = rustPlatform.buildRustPackage attrs; in buildPkg.overrideAttrs ({ name, nativeBuildInputs, ... }: { nativeBuildInputs = nativeBuildInputs ++ [ pkgs.cargo-xbuild ]; buildPhase = '' pushd ${crateSubdir} cargo xbuild --release --frozen \ --no-default-features \ --features=${cargoFeatures} popd ''; XARGO_RUST_SRC = "${rustcSrc}/src"; installPhase = '' mkdir $out ls -la target/armv7-none-eabihf/release/ cp target/armv7-none-eabihf/release/${name} $out/${name}.elf ''; }); xbuildCrate = name: crate: features: xbuildRustPackage rec { name = "${crate}"; src = ./.; crateSubdir = crate; cargoSha256 = "1c1qpg9by8bg93yhgllb5xs155g27qmh99pbrb681wazm8k7nwim"; cargoFeatures = features; doCheck = false; dontFixup = true; }; in { inherit pkgs rustPlatform rustcSrc gcc; zc706 = { experiments-zc706 = xbuildCrate "experiments-zc706" "experiments" "target_zc706"; experiments-cora = xbuildCrate "experiments-cora" "experiments" "target_cora_z7_10"; }; }