anchor.diff:  , libsm
   , libx11
   , libxcomposite
  +, libxcursor
   , libxdamage
   , libxext
   , libxfixes
  +, libxi
   , libxinerama
   , libxkbcommon
   , libxrandr
  
positive.code:     libsm
      libx11
      libxcomposite
      xorg.libXcursor
      libxdamage
      libxext
      libxfixes
      xorg.libXi
      libxinerama
      libxrandr
      libxrender
  
negative.code: 
    sources = {
      "3.22" = {
        version = "3.22.24";
        sha256 = "cbb16e4cfc928ab8f5f22f7290616f95f6ebc8c97cc724a2007b07ced833592b";
      };
      "3.91" = {
        version = "3.91.1";
  