anchor.diff:  
     buildInputs = [
       cairo
  -    damageproto
  -    dri2proto
  -    dri3proto
  -    fixesproto
  -    fontsproto
       #intel-gpu-tools
       xorg.intelgputools
       libdrm
  
positive.code: , util-macros
  
  , cairo
  , damageproto
  , dri2proto
  , dri3proto
  , fixesproto
  , fontsproto
  #, intel-gpu-tools
  , libdrm
  , libpciaccess
  
negative.code: , libxrandr
  , libxrender
  , libxscrnsaver
  , libxshmfence
  , libxtst
  , libxv
  #, libxvmc
  #, pixman
  , systemd_lib
  #, xcb-util
  , xorg
  , xorg-server
  , xorgproto
  }:
  
  let
  