{ lib
, SDL2
, cmake
, darwin
, fetchFromGitHub
, libGLU
, libiconv
, mesa
, pkg-config
, stdenv
# Boolean flags
, libGLSupported ? lib.elem stdenv.hostPlatform.system mesa.meta.platforms
, openglSupport ? libGLSupported
}:

let
  inherit (darwin.apple_sdk.frameworks) Cocoa;
  inherit (darwin) autoSignDarwinBinariesHook;
in
stdenv.mkDerivation (finalAttrs: {
  pname = "SDL_compat";
  version = "1.2.68";

  src = fetchFromGitHub {
    owner = "libsdl-org";
    repo = "sdl12-compat";
    rev = "release-" + finalAttrs.version;
    hash = "sha256-f2dl3L7/qoYNl4sjik1npcW/W09zsEumiV9jHuKnUmM=";
  };

  nativeBuildInputs = [ cmake pkg-config ]
    ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [ autoSignDarwinBinariesHook ];

  propagatedBuildInputs = [ SDL2 ]
    ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv Cocoa ]
    ++ lib.optionals openglSupport [ libGLU ];

  enableParallelBuilding = true;

  setupHook = ./setup-hook.sh;

  postFixup = ''
    for lib in $out/lib/*${stdenv.hostPlatform.extensions.sharedLibrary}* ; do
      if [[ -L "$lib" ]]; then
        ${if stdenv.hostPlatform.isDarwin then ''
          install_name_tool ${lib.strings.concatMapStrings (x: " -add_rpath ${lib.makeLibraryPath [x]} ") finalAttrs.propagatedBuildInputs} "$lib"
        '' else ''
          patchelf --set-rpath "$(patchelf --print-rpath $lib):${lib.makeLibraryPath finalAttrs.propagatedBuildInputs}" "$lib"
        ''}
      fi
    done
  '';

  meta = {
    homepage = "https://www.libsdl.org/";
    description = "Cross-platform multimedia library - build SDL 1.2 applications against 2.0";
    license = lib.licenses.zlib;
    mainProgram = "sdl-config";
    maintainers = lib.teams.sdl.members ++ (with lib.maintainers; [ peterhoeg ]);
    platforms = lib.platforms.all;
  };
})