newt: add darwin support

    unset CPP

  '';

  configureFlags = lib.optionals stdenv.isDarwin [

    "--disable-nls"

  ];

  makeFlags = lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [

    "CROSS_COMPILE=${stdenv.cc.targetPrefix}"

  ];

  postFixup = lib.optionalString stdenv.isDarwin ''

    install_name_tool -id $out/lib/libnewt.so.${version} $out/lib/libnewt.so.${version}

    install_name_tool -change libnewt.so.${version} $out/lib/libnewt.so.${version} $out/bin/whiptail

  '';

  meta = with lib; {

    homepage = "https://pagure.io/newt";

    description = "Library for color text mode, widget based user interfaces";

    license = licenses.lgpl2;

    platforms = platforms.linux;

    platforms = platforms.unix;

    maintainers = [ maintainers.viric ];

  };

}