anchor.diff:      avrlibc = pkgsCross.avr.libcCross;
     };
   
  -  simgear = callPackage ../development/libraries/simgear { };
  +  simgear = callPackage ../development/libraries/simgear { openscenegraph = openscenegraph_3_4; };
   
     simp_le = callPackage ../tools/admin/simp_le { };
   
  
positive.code: 
    fish-fillets-ng = callPackage ../games/fish-fillets-ng {};
  
    flightgear = libsForQt5.callPackage ../games/flightgear { };
  
    flock = callPackage ../development/tools/flock { };
  
  
negative.code:   opensaml-cpp = callPackage ../development/libraries/opensaml-cpp { };
  
    openscenegraph = callPackage ../development/libraries/openscenegraph { };
    openscenegraph_3_4 = callPackage ../development/libraries/openscenegraph/3.4.0.nix { };
  
    openslp = callPackage ../development/libraries/openslp {};
  
  