anchor.diff:    # "--enable-foo" flags here
     configureFlags = [
       "--with-kde-solid=$out/share/apps/solid/actions"
  +    "--enable-srt" # Explicit enable srt to ensure the patch is applied.
     ] ++ optional onlyLibVLC "--disable-vlc"
       ++ optional skins2Support "--enable-skins2"
       ++ optionals chromecastSupport [
  
positive.code:   # vlc depends on a c11-gcc wrapper script which we don't have so we need to
    # set the path to the compiler
    BUILDCC = "${stdenv.cc}/bin/gcc";
  
    postPatch = ''
      substituteInPlace modules/text_renderer/freetype/platform_fonts.h --replace \
  
negative.code: { lib, stdenv, fetchurl, autoreconfHook, fetchpatch
  , libarchive, perl, xorg, libdvdnav, libbluray
  , zlib, a52dec, libmad, faad2, ffmpeg, alsa-lib
  , pkg-config, dbus, fribidi, freefont_ttf, libebml, libmatroska
  