shell.nix


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{ pkgs ? import <nixpkgs> {} }:
with pkgs;
let
  pinnedPkgs = fetchFromGitHub {
    owner = "NixOS";
    repo = "nixpkgs";
    rev = "a63a64b593dcf2fe05f7c5d666eb395950f36bc9";
    sha256 = "sha256-+ZoAny3ZxLcfMaUoLVgL9Ywb/57wP+EtsdNGuXUJrwg=";
  };

  pkgs = import pinnedPkgs {};

  inherit (lib) optional optionals;
  inherit (darwin.apple_sdk.frameworks) Cocoa CoreGraphics Foundation IOKit Kernel OpenGL Security;
in
  pkgs.mkShell rec {
    buildInputs = with pkgs; [
      clang
      # Replace llvmPackages with llvmPackages_X, where X is the latest LLVM version (at the time of writing, 16)
      llvmPackages.bintools
      rustup
      libiconv
      watchexec
    ];
    RUSTC_VERSION = pkgs.lib.readFile ./rust-toolchain;
    # https://github.com/rust-lang/rust-bindgen#environment-variables
    LIBCLANG_PATH = pkgs.lib.makeLibraryPath [ pkgs.llvmPackages_latest.libclang.lib ];
    shellHook = ''
      export PATH=$PATH:''${CARGO_HOME:-~/.cargo}/bin
      export PATH=$PATH:''${RUSTUP_HOME:-~/.rustup}/toolchains/$RUSTC_VERSION-x86_64-unknown-linux-gnu/bin/
      '';
    # Add precompiled library to rustc search path
    RUSTFLAGS = (builtins.map (a: ''-L ${a}/lib'') [
      # add libraries here (e.g. pkgs.libvmi)
    ]);
    # Add glibc, clang, glib and other headers to bindgen search path
    BINDGEN_EXTRA_CLANG_ARGS = 
    # Includes with normal include path
    (builtins.map (a: ''-I"${a}/include"'') [
      # add dev libraries here (e.g. pkgs.libvmi.dev)
      pkgs.libiconv
    ])
    # Includes with special directory paths
    ++ [
      ''-I"${pkgs.llvmPackages_latest.libclang.lib}/lib/clang/${pkgs.llvmPackages_latest.libclang.version}/include"''
      ''-I"${pkgs.libiconv.out}/lib/"''
    ];

  }