hesinde-sync/flake.nix

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2024-07-10 12:30:26 +00:00
# thanks to https://code.betamike.com/micropelago/domani for the flake, I still do not completely understand it :)
{
description = "hesinde-sync project";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
naersk.url = "github:nix-community/naersk/master";
fenix.url = "github:nix-community/fenix";
};
outputs =
{
nixpkgs,
flake-utils,
naersk,
fenix,
...
}:
let
mkToolchain =
fenixPkgs:
fenixPkgs.fromToolchainFile {
file = ./rust-toolchain.toml;
sha256 = "sha256-Ngiz76YP4HTY75GGdH2P+APE/DEIx2R/Dn+BwwOyzZU=";
};
buildTargets = {
"x86_64-linux" = {
crossSystemConfig = "x86_64-unknown-linux-musl";
rustTarget = "x86_64-unknown-linux-musl";
};
"i686-linux" = {
crossSystemConfig = "i686-unknown-linux-musl";
rustTarget = "i686-unknown-linux-musl";
};
"aarch64-linux" = {
crossSystemConfig = "aarch64-unknown-linux-musl";
rustTarget = "aarch64-unknown-linux-musl";
};
};
eachSystem =
supportedSystems: callback:
builtins.foldl' (overall: system: overall // { ${system} = callback system; }) { } supportedSystems;
eachCrossSystem =
supportedSystems: callback:
eachSystem supportedSystems (
buildSystem:
builtins.foldl' (
inner: targetSystem: inner // { "cross-${targetSystem}" = callback buildSystem targetSystem; }
) { default = callback buildSystem buildSystem; } supportedSystems
);
mkPkgs =
buildSystem: targetSystem:
import nixpkgs (
{
system = buildSystem;
}
// (
if targetSystem == null then
{ }
else
{ crossSystem.config = buildTargets.${targetSystem}.crossSystemConfig; }
)
);
in
flake-utils.lib.eachDefaultSystem (
system:
let
pkgs = import nixpkgs { inherit system; };
toolchain = mkToolchain fenix.packages.${system};
in
{
devShells.default =
with pkgs;
mkShell {
buildInputs = [
geckodriver
toolchain
cargo-deny
rust-analyzer
sea-orm-cli
];
};
}
)
// {
packages = eachCrossSystem (builtins.attrNames buildTargets) (
buildSystem: targetSystem:
let
pkgs = mkPkgs buildSystem null;
pkgsCross = mkPkgs buildSystem targetSystem;
rustTarget = buildTargets.${targetSystem}.rustTarget;
fenixPkgs = fenix.packages.${buildSystem};
toolchain = mkToolchain fenixPkgs;
buildPackageAttrs =
if builtins.hasAttr "makeBuildPackageAttrs" buildTargets.${targetSystem} then
buildTargets.${targetSystem}.makeBuildPackageAttrs pkgsCross
else
{ };
naersk-lib = pkgs.callPackage naersk {
cargo = toolchain;
rustc = toolchain;
};
in
naersk-lib.buildPackage (
buildPackageAttrs
// rec {
src = ./.;
strictDeps = true;
doCheck = false;
OPENSSL_STATIC = "1";
OPENSSL_LIB_DIR = "${pkgsCross.pkgsStatic.openssl.out}/lib";
OPENSSL_INCLUDE_DIR = "${pkgsCross.pkgsStatic.openssl.dev}/include";
# Required because ring crate is special. This also seems to have
# fixed some issues with the x86_64-windows cross-compile :shrug:
TARGET_CC = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
CARGO_BUILD_TARGET = rustTarget;
CARGO_BUILD_RUSTFLAGS = [
"-C"
"target-feature=+crt-static"
# https://github.com/rust-lang/cargo/issues/4133
"-C"
"linker=${TARGET_CC}"
];
}
)
);
};
}