devenv.nix

{ pkgs, lib, config, inputs, stdenv, ... }:

{
  env.LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
  
  languages.c.enable = true;
  languages.cplusplus.enable = true;
  languages.rust.enable = true;
  # https://devenv.sh/reference/options/#languagesrustchannel
  languages.rust.channel = "stable";

  packages = with pkgs; [
    sccache
    unzip

    libllvm
    libclang
    llvm
    alsa-lib
    libpulseaudio
    rust-cbindgen
    libclang
    gcc

    libxkbcommon libdrm

# build time
 autoconf
 cargo
 dump_syms
 makeWrapper
 mimalloc
 nodejs
 perl
 pkg-config
 python3
 rustc
 rust-cbindgen
 unzip
 which

# runtime
 bzip2
 dbus
 dbus-glib
 file
 fontconfig
 freetype
 glib
 gnum4
 gtk3
 icu
 icu72
  libGL
  libGLU
  libevent
  libffi
  libjpeg
  libpng
  libstartup_notification
  libvpx
  libwebp
  nasm
  nspr
 nss_latest
 pango
 zip
 zlib

    bzip2
    dbus
    dbus-glib
    file
    fontconfig
    freetype
    glib
    gtk3
    libffi
    libGL
    libGLU
    libevent
    libjpeg
    libpng
    libstartup_notification
    libvpx
    libwebp
    nasm
    nspr
    pango
    perl
    xorg.libX11
    xorg.libXcursor
    xorg.libXdamage
    xorg.libXext
    xorg.libXft
    xorg.libXi
    xorg.libXrender
    xorg.libXt
    xorg.libXtst
    xorg.pixman
    xorg.xorgproto
    zip
    zlib
  ];

  enterShell = ''
    cxxLib=$( echo -n ${pkgs.gcc}/include/c++/* )
    archLib=$cxxLib/$( ${pkgs.gcc}/bin/gcc -dumpmachine )

    UNSET AS

    cat - > mozconfig <<EOF
    ac_add_options --disable-bootstrap
    #ac_add_options --without-wasm-sandboxed-libraries # this may be needed
    #mk_add_options AUTOCONF={autoconf213}/bin/autoconf
    ac_add_options --with-libclang-path=${pkgs.libclang.lib}/lib
    #ac_add_options --with-clang-path=${pkgs.clang}/bin/clang
    #export BINDGEN_CFLAGS="-cxx-isystem $cxxLib -isystem $archLib"
    #export LIBCLANG_PATH="${pkgs.libclang.lib}/lib"
    #export CC="${pkgs.gcc}/bin/cc"
    #export CXX="${pkgs.gcc}/bin/c++"
    EOF
  '';
}