cmake HAVE_KNX examples

john30/ebusd CMakeLists.txt :108 

unset(HAVE_KNX)

john30/ebusd CMakeLists.txt :121 

endif(HAVE_KNX)

john30/ebusd CMakeLists.txt :194 

endif(HAVE_KNX)

john30/ebusd src/ebusd/CMakeLists.txt :23 

endif(HAVE_KNX)