anchor.diff:  , tllist
   , wayland-protocols
   , pkg-config
  +, utf8proc
   , allowPgo ? true
   , python3  # for PGO
   # for clang stdenv check
  
positive.code:     wayland
      libxkbcommon
      fcft
    ];
  
    # recommended build flags for performance optimized foot builds
  
negative.code: }:
  
  let
    version = "1.8.0";
  
    # build stimuli file for PGO build and the script to generate it
    # independently of the foot's build, so we can cache the result
  