aerogramme/flake.nix

77 lines
2.4 KiB
Nix

{
description = "Aerogramme";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/master";
flake-utils.url = "github:numtide/flake-utils";
# this patched version of cargo2nix makes easier to use clippy for building
cargo2nix = {
type = "github";
owner = "Alexis211";
repo = "cargo2nix";
ref = "custom_unstable";
};
# use rust project builds
fenix.url = "github:nix-community/fenix/monthly";
};
outputs = { self, nixpkgs, cargo2nix, flake-utils, fenix }:
flake-utils.lib.eachSystem [
"x86_64-unknown-linux-musl"
"aarch64-unknown-linux-musl"
"armv6l-unknown-linux-musleabihf"
] (targetHost: let
# with fenix, we get builds from the rust project.
# they are done with an old version of musl (prior to 1.2.x that is used in NixOS),
# however musl has a breaking change from 1.1.x to 1.2.x on 32 bit systems.
# so we pin the lib to 1.1.x to avoid recompiling rust ourselves.
muslOverlay = self: super: {
musl = super.musl.overrideAttrs(old: if targetHost == "armv6l-unknown-linux-musleabihf" then rec {
pname = "musl";
version = "1.1.24";
src = builtins.fetchurl {
url = "https://musl.libc.org/releases/${pname}-${version}.tar.gz";
sha256 = "sha256:18r2a00k82hz0mqdvgm7crzc7305l36109c0j9yjmkxj2alcjw0k";
};
} else {});
};
pkgs = import nixpkgs {
system = "x86_64-linux"; # hardcoded as we will cross compile
crossSystem = {
config = targetHost; # here we cross compile
isStatic = true;
};
overlays = [
cargo2nix.overlays.default
muslOverlay
];
};
shell = pkgs.mkShell {
buildInputs = [
cargo2nix.packages.x86_64-linux.default
];
};
rustTarget = if targetHost == "armv6l-unknown-linux-musleabihf" then "arm-unknown-linux-musleabihf" else targetHost;
rustPkgs = pkgs.rustBuilder.makePackageSet({
packageFun = import ./Cargo.nix;
target = rustTarget;
rustToolchain = with fenix.packages.x86_64-linux; combine [
minimal.cargo
minimal.rustc
targets.${rustTarget}.latest.rust-std
];
});
in {
devShells.default = shell;
packages.aerogramme = (rustPkgs.workspace.aerogramme {}).bin;
packages.default = self.packages.${targetHost}.aerogramme;
});
}