roc/flake.nix

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{
description = "Roc flake";
inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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# rust from nixpkgs has some libc problems, this is patched in the rust-overlay
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
# to easily make configs for multiple architectures
flake-utils.url = "github:numtide/flake-utils";
# to be able to use vulkan system libs for editor graphics
nixgl = {
url = "github:guibou/nixGL";
inputs.nixpkgs.follows = "nixpkgs";
};
};
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outputs = { self, nixpkgs, rust-overlay, flake-utils, nixgl }:
let supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
in flake-utils.lib.eachSystem supportedSystems (system:
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let
overlays = [ (import rust-overlay) ]
++ (if system == "x86_64-linux" then [ nixgl.overlay ] else [ ]);
pkgs = import nixpkgs { inherit system overlays; };
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llvmPkgs = pkgs.llvmPackages_13;
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# get current working directory
cwd = builtins.toString ./.;
rust =
pkgs.rust-bin.fromRustupToolchainFile "${cwd}/rust-toolchain.toml";
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linuxInputs = with pkgs;
lib.optionals stdenv.isLinux [
valgrind # used in cli tests, see cli/tests/cli_run.rs
vulkan-headers
vulkan-loader
vulkan-tools
vulkan-validation-layers
xorg.libX11
xorg.libXcursor
xorg.libXrandr
xorg.libXi
xorg.libxcb
alsa-lib
];
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darwinInputs = with pkgs;
lib.optionals stdenv.isDarwin
(with pkgs.darwin.apple_sdk.frameworks; [
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AppKit
CoreFoundation
CoreServices
CoreVideo
Foundation
Metal
Security
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]);
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# For debugging LLVM IR
debugir = pkgs.stdenv.mkDerivation {
name = "debugir";
src = pkgs.fetchFromGitHub {
owner = "vaivaswatha";
repo = "debugir";
rev = "b981e0b74872d9896ba447dd6391dfeb63332b80";
sha256 = "Gzey0SF0NZkpiObk5e29nbc41dn4Olv1dx+6YixaZH0=";
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};
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buildInputs = with pkgs; [ cmake libxml2 llvmPackages_13.llvm.dev ];
buildPhase = ''
mkdir build
cd build
cmake -DLLVM_DIR=${pkgs.llvmPackages_13.llvm.dev} -DCMAKE_BUILD_TYPE=Release ../
cmake --build ../
cp ../debugir .
'';
installPhase = ''
mkdir -p $out/bin
cp debugir $out/bin
'';
};
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sharedInputs = (with pkgs; [
# build libraries
cmake
git
python3
llvmPkgs.llvm.dev
llvmPkgs.clang
libxkbcommon
pkg-config
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zig # roc builtins are implemented in zig, see compiler/builtins/bitcode/
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# lib deps
libffi
libxml2
ncurses
zlib
libiconv
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# faster builds - see https://github.com/roc-lang/roc/blob/main/BUILDING_FROM_SOURCE.md#use-lld-for-the-linker
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llvmPkgs.lld
debugir
rust
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rust-bindgen
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cargo-criterion
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]);
in {
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devShell = pkgs.mkShell {
buildInputs = sharedInputs ++ darwinInputs ++ linuxInputs
++ (if system == "x86_64-linux" then
[ pkgs.nixgl.nixVulkanIntel ]
else
[ ]);
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LLVM_SYS_130_PREFIX = "${llvmPkgs.llvm.dev}";
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# nix does not store libs in /usr/lib or /lib
NIX_GLIBC_PATH =
if pkgs.stdenv.isLinux then "${pkgs.glibc.out}/lib" else "";
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LD_LIBRARY_PATH = with pkgs;
lib.makeLibraryPath
([ pkg-config stdenv.cc.cc.lib libffi ncurses zlib ]
++ linuxInputs);
NIXPKGS_ALLOW_UNFREE =
1; # to run the editor with NVIDIA's closed source drivers
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};
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formatter = pkgs.nixpkgs-fmt;
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# You can build this package (the roc CLI) with the `nix build` command.
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packages.default = import ./. { inherit pkgs; };
});
}