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flake.nix
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flake.nix
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{
inputs = {
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
alejandra = {
url = "github:kamadorueda/alejandra/3.0.0";
inputs.nixpkgs.follows = "nixpkgs";
};
flake-utils.url = "github:numtide/flake-utils";
naersk.url = "github:nix-community/naersk";
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
nix-appimage.url = "path:nix-appimage";
};
outputs = {
self,
fenix,
flake-utils,
nixpkgs,
alejandra,
nix-appimage,
...
} @ inputs:
flake-utils.lib.eachDefaultSystem (system: let
pkgs = (import nixpkgs) {inherit system;};
lib = pkgs.lib;
fenix' = fenix.packages.${system};
toolchainSpec = {
channel = "nightly";
date = "2023-08-01";
sha256 = "sha256-5y4s05452u5eeCKkgQaBSI/PPcGz6ZavWAdT/7HVtrA=";
};
supportedTargets = [
"x86_64-unknown-linux-gnu"
"x86_64-unknown-linux-musl"
"x86_64-apple-darwin"
"aarch64-unknown-linux-gnu"
"aarch64-unknown-linux-musl"
"aarch64-apple-darwin"
];
allBinaries = [
"irohad"
"iroha"
"kagami"
"kura_inspector"
"parity_scale_cli"
];
# HACK: A hook to filter out darwin-specific flags when cross-compiling.
# Those flags being there in the first place is either a bug in nixpkgs or me
# completely misunderstanding how cross-compilation works
setupHookDarwinCross =
pkgs.makeSetupHook {name = "darwin-iroha-hook";}
(pkgs.writeScript "darwin-iroha-hook.sh" ''
fixupCFlagsForDarwin() {
cflagsFilter='s|-F[^ ]*||g;s|-iframework [^ ]*||g;s|-isystem [^ ]*||g;s| *| |g'
ldFlagsFilter='s|/nix/store/[^-]*-apple-framework-CoreFoundation[^ ]*||g'
echo "Filtering CFLAGS"
export NIX_CFLAGS_COMPILE="$(sed "$cflagsFilter" <<< "$NIX_CFLAGS_COMPILE")"
echo "Filtering LDFLAGS"
export NIX_LDFLAGS="$(sed "$ldFlagsFilter;$cflagsFilter" <<< "$NIX_LDFLAGS")"
}
preBuildHooks+=(fixupCFlagsForDarwin)
'');
# Build an Iroha derivation
mkIroha = {
target ? system, # target arch to build for
binaries ? allBinaries, # which binary to build
name ? "iroha", # resulting derivation name
...
} @ args: let
systemTriple = (lib.systems.elaborate system).config;
targetTriple = (lib.systems.elaborate target).config;
isCross = systemTriple != targetTriple;
toolchainHost = fenix'.toolchainOf toolchainSpec;
toolchainTarget =
fenix'.targets.${targetTriple}.toolchainOf toolchainSpec;
toolchain = fenix'.combine [
toolchainHost.rustc
toolchainHost.cargo
toolchainHost.rustfmt
toolchainTarget.rust-std
];
pkgsCross = (import nixpkgs) {
localSystem = system;
crossSystem = target;
config.allowUnsupportedSystem = true;
};
naersk = pkgsCross.buildPackages.callPackage inputs.naersk {
cargo = toolchain;
rustc = toolchain;
};
in
naersk.buildPackage rec {
pname = name;
version =
(builtins.fromTOML
(builtins.readFile ./Cargo.toml))
.workspace
.package
.version;
src = ./.;
# FIXME: Fails due to https://github.com/rust-lang/cargo/issues/10368
# Either try a workaround, or wait for resolution
# doDoc = true;
# doDocFail = true;
nativeBuildInputs = with pkgsCross.buildPackages;
[
pkg-config
libiconvReal
stdenv.cc
binutils
]
# If cross-compiling FROM darwin, need to fixup build flags
++ lib.optional (pkgs.stdenv.isDarwin && isCross)
setupHookDarwinCross;
buildInputs = with pkgsCross;
[
openssl.dev
libiconvReal
zlib
]
# If building FOR darwin, need Apple frameworks
++ lib.optional pkgsCross.stdenv.isDarwin
[darwin.apple_sdk.frameworks.Security];
cargoBuildOptions = default:
default
++ ["--target" targetTriple]
++ builtins.concatMap (binary: ["-p" binary]) binaries;
CARGO_BUILD_TARGET = targetTriple;
CC =
if isCross
then "${pkgsCross.stdenv.cc}/bin/${target}-cc"
else "${pkgsCross.stdenv.cc}/bin/cc";
TARGET_CC = CC;
RUSTFLAGS = "-C linker=${CC}";
VERGEN_IDEMPOTENT = true;
VERGEN_GIT_SHA = self.rev or "?dirty tree?";
};
in rec {
inherit mkIroha;
packages.default = mkIroha {};
packages.appimage = nix-appimage.mkappimage.${system} {
drv = mkIroha {};
name = "iroha";
};
packages.targets = builtins.listToAttrs (map (target: {
name = target;
value = mkIroha {
inherit target;
# TODO: Cross-compilation doesn't work with multiple
# binaries for some reason
binaries = ["irohad"];
};
})
supportedTargets);
apps =
{
default = {
type = "app";
program = "${self.packages.${system}.default}/bin/irohad";
};
}
// builtins.listToAttrs (map (bin: {
name = bin;
value = {
type = "app";
program = "${self.packages.${system}.default}/bin/${bin}";
};
})
allBinaries);
formatter = alejandra.packages.${system}.default;
devShells.default = let
toolchainPkgs = fenix'.toolchainOf toolchainSpec;
toolchain = fenix'.combine [
toolchainPkgs.rustc
toolchainPkgs.cargo
toolchainPkgs.clippy
toolchainPkgs.rustfmt
toolchainPkgs.rust-std
];
in
pkgs.mkShell {
nativeBuildInputs = with pkgs; [
pkg-config
openssl.dev
libiconvReal
zlib
toolchain
fenix'.rust-analyzer
];
};
});
}