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Development with nix
Alex Kladov edited this page Jun 27, 2023
·
26 revisions
Here is a sample shell.nix
for building/developing zig.
with import <nixpkgs> {};
pkgs.mkShell {
nativeBuildInputs = with pkgs; [
cmake
gdb
libxml2
ninja
qemu
wasmtime
zlib
] ++ (with llvmPackages_16; [
clang
clang-unwrapped
lld
llvm
]);
hardeningDisable = [ "all" ];
}
The hardeningDisable
part is crucial, otherwise you will get compile errors.
Alternatively, you can use this sample flake.nix
:
{
description = "A flake for Zig development";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = inputs@{ self, ... }: inputs.flake-utils.lib.eachDefaultSystem (system:
let
pkgs = inputs.nixpkgs.legacyPackages.${system};
in
{
devShells.default = pkgs.mkShell {
nativeBuildInputs = with pkgs; [
cmake
gdb
libxml2
ninja
qemu
wasmtime
zlib
] ++ (with llvmPackages_14; [
clang
clang-unwrapped
lld
llvm
]);
hardeningDisable = [ "all" ];
};
# For compatibility with older versions of the `nix` binary
devShell = self.devShells.${system}.default;
packages.default = pkgs.stdenv.mkDerivation {
pname = "zig";
# TODO: Fix the output of `zig version`.
version = "0.10.0-dev";
src = self;
nativeBuildInputs = with pkgs; [
cmake
] ++ (with llvmPackages_14; [
libclang
lld
llvm
]);
preBuild = ''
export HOME=$TMPDIR;
'';
cmakeFlags = [
# https://github.com/ziglang/zig/issues/12069
"-DZIG_STATIC_ZLIB=on"
];
};
}
);
}
If using macOS, you will need to build llvm yourself and use the system's clang to build zig. This is possible using the sample shell.nix
below.
with import <nixpkgs> { };
pkgs.mkShellNoCC {
nativeBuildInputs = with pkgs; [ cmake gdb ninja qemu wasmtime ];
hardeningDisable = [ "all" ];
}