{ # 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 2019-11-09 rev = "ac162c6abe34cdf965afc0389f6cefa79653c63b"; sha256 = "06c5gws1mrpr69z1gzs358zf7hcsg6ky8n4ha0vv2s9d9w93x1kj"; 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 = attrs: let buildPkg = rustPlatform.buildRustPackage attrs; in buildPkg.overrideAttrs ({ name, nativeBuildInputs, ... }: { nativeBuildInputs = nativeBuildInputs ++ [ pkgs.cargo-xbuild ]; buildPhase = '' cargo xbuild --release --frozen ''; XARGO_RUST_SRC = "${rustcSrc}/src"; installPhase = '' mkdir $out cp target/armv7-none-eabihf/release/${name} $out/${name}.elf ''; }); zc706 = xbuildRustPackage { name = "zc706"; src = ./.; cargoSha256 = "15icqy72dck82czpsqz41yjsdar17vpi15v22j6z0zxhzf517rf7"; nativeBuildInputs = [ gcc ]; doCheck = false; }; in { inherit pkgs rustPlatform rustcSrc zc706 gcc; }