anchor.diff:        cairo != null
         && glib != null
         && gobject-introspection != null)}"
  -    #"-DWITH_GObjectIntrospection=${boolOn (gobject-introspection != null)}"
  +    "-DWITH_GObjectIntrospection=${boolOn (gobject-introspection != null)}"
       #"-DWITH_GTK=${boolOn (gtk3 != null)}"
       "-DWITH_Iconv=ON"
       "-DWITH_JPEG=${boolOn (libjpeg != null)}"
  
positive.code:     "-DWITH_PNG=${boolOn (libpng != null)}"
      "-DWITH_Qt4=OFF"
      "-DWITH_TIFF=${boolOn (libtiff != null)}"
    ];
  
    NIX_CFLAGS_COMPILE = [
      "-Wno-deprecated-declarations"
    ];
  
    meta = with lib; {
  
negative.code:     qt5
      zlib
    ];
  
    patches = [
      (fetchTritonPatch {
  