anchor.diff:      libidn
       libintl
       lcms2
  -  ] ++ lib.optionals stdenv.isLinux [
  -    libmanette
  -  ] ++ [
       libnotify
       libpthreadstubs
  -    libsecret
       libtasn1
       libwebp
       libxkbcommon
  
positive.code:     "-DUSE_SYSTEM_MALLOC=ON"
    ] ++ lib.optionals (!stdenv.isLinux) [
      "-DUSE_SYSTEMD=OFF"
    ] ++ lib.optional (stdenv.isLinux && enableGLES) "-DENABLE_GLES2=ON";
  
    postPatch = ''
      patchShebangs .
  
negative.code: { lib
  , stdenv
  , runCommand
  , fetchurl
  , perl
  