depot/third_party/nixpkgs/pkgs/tools/misc/ttfautohint/default.nix

{
  stdenv,
  lib,
  fetchurl,
  pkg-config,
  autoreconfHook,
  freetype,
  harfbuzz,
  libiconv,
  qtbase,
  enableGUI ? true,
}:

stdenv.mkDerivation rec {
  version = "1.8.3";
  pname = "ttfautohint";

  src = fetchurl {
    url = "mirror://savannah/freetype/ttfautohint-${version}.tar.gz";
    sha256 = "0zpqgihn3yh3v51ynxwr8asqrijvs4gv686clwv7bm8sawr4kfw7";
  };

  postAutoreconf = ''
    substituteInPlace configure --replace "macx-g++" "macx-clang"
  '';

  nativeBuildInputs = [
    pkg-config
    autoreconfHook
  ];

  buildInputs = [
    freetype
    harfbuzz
    libiconv
  ] ++ lib.optional enableGUI qtbase;

  configureFlags = [ ''--with-qt=${if enableGUI then "${qtbase}/lib" else "no"}'' ];

  # workaround https://github.com/NixOS/nixpkgs/issues/155458
  preBuild = lib.optionalString stdenv.cc.isClang ''
    rm version
  '';

  enableParallelBuilding = true;

  dontWrapQtApps = true;

  meta = with lib; {
    description = "Automatic hinter for TrueType fonts";
    mainProgram = "ttfautohint";
    longDescription = ''
      A library and two programs which take a TrueType font as the
      input, remove its bytecode instructions (if any), and return a
      new font where all glyphs are bytecode hinted using the
      information given by FreeType’s auto-hinting module.
    '';
    homepage = "https://www.freetype.org/ttfautohint";
    license = licenses.gpl2Plus; # or the FreeType License (BSD + advertising clause)
    maintainers = [ ];
    platforms = platforms.unix;
  };

}