anchor.diff:  , disableDocs ? false
   , CoreFoundation
   , gsettings-desktop-schemas
  +, wrapGAppsHook
   }:
   
   let
  
positive.code:     done
      mkdir src/build
      cd src/build
    '';
  
    shared = if stdenv.isDarwin then "dylib" else "shared";
  
negative.code:     (stdenv.lib.optionalString stdenv.isDarwin "-framework CoreFoundation")
    ];
  
    nativeBuildInputs = [ wrapGAppsHook ];
  
    buildInputs = [ fontconfig libffi libtool sqlite gsettings-desktop-schemas gtk3 ]
      ++ stdenv.lib.optionals stdenv.isDarwin [ libiconv CoreFoundation ];
  
    preConfigure = ''
  