{
  "openssl-sys" = {
    build = ["openssl"];
    env = pkgs: {OPENSSL_NO_VENDOR = "1";};
  };
  "libudev-sys" = {build = ["eudev"];};
  "libdbus-sys" = {build = ["dbus"];};
  "expat-sys" = {native = ["cmake"];};
  "servo-fontconfig-sys" = {build = ["fontconfig"];};
  "x11-dl" = {build = ["xorg.libX11" "xorg.libXcursor" "xorg.libXrandr" "xorg.libXi"];};
  "glutin_glx_sys" = {runtime = ["libGL" "libGLU"];};
  "wayland-egl" = {build = ["egl-wayland"];};
  "wayland-sys" = {runtime = ["wayland" "libxkbcommon"];};
  "libsodium-sys" = {build = ["libsodium"];};
  "freetype-sys" = {build = ["freetype"];};
  "alsa-sys" = {build = ["alsa-lib"];};
  "wgpu" = {runtime = ["vulkan-loader"];};
  "audiopus_sys" = {build = ["libopus"];};
  "unrar_sys" = {build = ["unrar"];};
  "iai-callgrind" = {native = ["iai-callgrind-runner" "valgrind"];};
  "sdl2-sys" = {build = ["SDL2"];};
  "atk-sys" = {build = ["at-spi2-atk"];};
  "pango-sys" = {build = ["pango"];};
  "gdk-sys" = {build = ["gtk3"];};
}