CMake/Modules/MacroAddFileDependencies.cmake

# - MACRO_ADD_FILE_DEPENDENCIES(<_file> depend_files...)
# MACRO_OPTIONAL_FIND_PACKAGE( <name> [QUIT] )

MACRO (MACRO_ADD_FILE_DEPENDENCIES _file)

   GET_SOURCE_FILE_PROPERTY(_deps ${_file} OBJECT_DEPENDS)
   if (_deps)
      set(_deps ${_deps} ${ARGN})
   else (_deps)
      set(_deps ${ARGN})
   endif (_deps)

   SET_SOURCE_FILES_PROPERTIES(${_file} PROPERTIES OBJECT_DEPENDS "${_deps}")

ENDMACRO (MACRO_ADD_FILE_DEPENDENCIES)