anchor.diff:      (lib.enableFeature enableStatic "static")
       (lib.enableFeature enableShared "shared")
       (lib.withFeature icuSupport "icu")
  -    (lib.withFeatureAs pythonSupport "python" python)
  +    (lib.withFeature pythonSupport "python")
  +    (lib.optionalString pythonSupport "PYTHON=${python.pythonForBuild.interpreter}")
     ];
   
     installFlags = lib.optionals pythonSupport [
  
positive.code:     })
    ];
  
    nativeBuildInputs = [
      pkg-config
      autoreconfHook
  
negative.code: , ncurses
  , findXMLCatalogs
  , libiconv
  , pythonSupport ? enableShared
  , icuSupport ? false
  , icu
  , enableShared ? stdenv.hostPlatform.libc != "msvcrt" && !stdenv.hostPlatform.isStatic
  