{lib, stdenv, fetchurl, fetchpatch, SDL, SDL_gfx, SDL_image, tremor, flac, mpg123, libmikmod
, speex, ncurses
, keymap ? "default"
, conf ? "unknown"
}:

stdenv.mkDerivation rec {
  pname = "gmu";
  version = "0.10.1";

  src = fetchurl {
    url = "https://wej.k.vu/files/${pname}-${version}.tar.gz";
    sha256 = "03x0mc0xw2if0bpf0a15yprcyx1xccki039zvl2099dagwk6xskv";
  };

  patches = [
     # pull pending upstream inclusion fix for ncurses-6.3:
     #  https://github.com/jhe2/gmu/pull/7
     (fetchpatch {
       name = "ncurses-6.3.patch";
       url = "https://github.com/jhe2/gmu/commit/c8b3a10afee136feb333754ef6ec26383b11072f.patch";
       sha256 = "0xp2j3jp8pkmv6yvnzi378m2dylbfsaqrsrkw7hbxw6kglzj399r";
     })

     # pull upstream fix for -fno-common toolchains like
     # upstream gcc-10 of clang-13.
     (fetchpatch {
       name = "fno-common.patch";
       url = "https://github.com/jhe2/gmu/commit/b705209f08ddfda141ad358ccd0c3d2d099be5e6.patch";
       sha256 = "1ci2b8kz3r58rzmivlfhqjmcgqwlkwlzzhnyxlk36vmk240a3gqq";
     })
  ];

  buildInputs = [ SDL SDL_gfx SDL_image tremor flac mpg123 libmikmod speex ncurses ];

  makeFlags = [ "PREFIX=$(out)" ];

  postInstall = ''
    cp ${keymap}.keymap $out/share/gmu/default.keymap
    cp gmuinput.${conf}.conf $out/share/gmu/gmuinput.conf
    mkdir -p $out/etc/gmu
    cp gmu.${conf}.conf $out/etc/gmu/gmu.conf
  '';

  meta = {
    homepage = "http://wejp.k.vu/projects/gmu";
    description = "Open source music player for portable gaming consoles and handhelds";
    license = lib.licenses.gpl2;
  };
}