message: GCC PCH recompile depends on all headers
diff: @@ -105,7 +105,7 @@ FUNCTION(ADD_PRECOMPILED_HEADER _targetName _input)
  ADD_CUSTOM_COMMAND(
  OUTPUT ${_output}
  COMMAND ${CMAKE_CXX_COMPILER} ${_compiler_FLAGS} -x c++-header -o ${_output} ${_source}
  - DEPENDS ${_source} )
  + DEPENDS ${_source} ${IRRLICHT_HEADERS} )
  ADD_CUSTOM_TARGET(${_targetName}_gch DEPENDS ${_output})
  ADD_DEPENDENCIES(${_targetName} ${_targetName}_gch)
  SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "-include ${_name} -Winvalid-pch")
  