anchor.diff:    '';
   
     buildPhase = ''
  +    cp -v ${autooptions}/autooptions.py autooptions.py
       cp -v ${autowaf} autowaf.py
       cp -v ${lv2} lv2.py
  -    ${python.interpreter} waf-light build --tools=$(pwd)/autowaf.py,$(pwd)/lv2.py
  +    ${python.interpreter} waf-light build --tools=$(pwd)/autooptions.py,$(pwd)/autowaf.py,$(pwd)/lv2.py
     '';
   
     installPhase = ''
  
positive.code: }:
  
  let
    autowaf = fetchurl {
      # r101
      # This is not a persistent URL since it is the SVN repo, so we rely on
  
negative.code: { stdenv
  , fetchFromGitLab
  , fetchurl
  , lib
  
  