kclvm.nix

{
	rust_overlay ? import (fetchTarball https://github.com/oxalica/rust-overlay/archive/master.tar.gz),
	pkgs ? import (fetchTarball https://nixos.org/channels/nixos-23.11/nixexprs.tar.xz) { overlays = [ rust_overlay ]; },
}:
let
    libPath = with pkgs; lib.makeLibraryPath [
      # load external libraries that you need in your rust project here
    ];
	rustVersion = "latest";
	# rustVersion = "1.76.0";
	rust = pkgs.rust-bin.stable.${rustVersion}.default.override {
		extensions = [
			"rust-src" # for rust-analyzer
				"rust-analyzer"
		];
	};

in pkgs.rustPlatform.buildRustPackage rec {
	pname = "kclvm";
	version = "0.8.5";

	src = pkgs.fetchFromGitHub {
		owner = "kcl-lang";
		repo = "kcl";
		rev = "v${version}";
		hash = "sha256-S78Oh4lI+yMBQ/KVOj0qMYVgVZU9QufjfRpB29a0iOc=";
	};
	# https://discourse.nixos.org/t/difficulty-using-buildrustpackage-with-a-src-containing-multiple-cargo-workspaces/10202/5
	sourceRoot = "source/kclvm";

	cargoLock.lockFile = ./kclvm/Cargo.lock;
	cargoLock.outputHashes = {
		"inkwell-0.2.0" = "sha256-JxSlhShb3JPhsXK8nGFi2uGPp8XqZUSiqniLBrhr+sM=";
	};

	nativeBuildInputs = [
		rust
	];
	buildInputs = [
	  ] ++ (with pkgs; [
      clang
      # Replace llvmPackages with llvmPackages_X, where X is the latest LLVM version (at the time of writing, 16)
      llvmPackages_12.bintools
	  glibc
	  glibmm
	  libxml2
	  ncurses5
	  protobuf
	]);

	patches = [./kclvm/enable_protoc_env.patch];
	# preBuild = ''
	# '';

	LLVM_SYS_120_PREFIX = pkgs.llvmPackages_12.llvm.dev;
	PROTOC = "${pkgs.protobuf}/bin/protoc";
	PROTOC_INCLUDE = "${pkgs.protobuf}/include";

    LIBCLANG_PATH = pkgs.lib.makeLibraryPath [ pkgs.llvmPackages_12.libclang.lib ];
    # Add glibc, clang, glib, and other headers to bindgen search path
    BINDGEN_EXTRA_CLANG_ARGS =
    # Includes normal include path
    (builtins.map (a: ''-I"${a}/include"'') [
      # add dev libraries here (e.g. pkgs.libvmi.dev)
	  # pkgs.glibc.dev
    ])
    # Includes with special directory paths
    ++ [
      ''-I"${pkgs.llvmPackages_12.libclang.lib}/lib/clang/${pkgs.llvmPackages_12.libclang.version}/include"''
      ''-I"${pkgs.glib.dev}/include/glib-2.0"''
      ''-I${pkgs.glib.out}/lib/glib-2.0/include/''
    ];
}