{ lib, stdenv, fetchurl, autoreconfHook, libGL, libGLU, runCommand, fakegl }:
stdenv.mkDerivation rec {
  pname = "libtxc_dxtn";
  version = "1.0.1";

  src = fetchurl {
    url = "https://people.freedesktop.org/~cbrill/libtxc_dxtn/${pname}-${version}.tar.bz2";
    sha256 = "0q5fjaknl7s0z206dd8nzk9bdh8g4p23bz7784zrllnarl90saa5";
  };

  nativeBuildInputs = [ autoreconfHook ];
  buildInputs = [ libGL libGLU ] ++ lib.optional stdenv.isDarwin fakegl;
  
  postPatch = lib.optionalString stdenv.isDarwin ''
    substituteInPlace Makefile.am --replace \
      "-avoid-version -module" \
      "-avoid-version -static" 
  '';
  meta = with lib; {
    homepage = "http://dri.freedesktop.org/wiki/S3TC";
    repositories.git = "git://people.freedesktop.org/~mareko/libtxc_dxtn";
    license = licenses.mit;
    platforms = platforms.unix;
  };
}