cmake HAVE_STD_CXX14_FLAG examples

lagadic/visp cmake/VISPDetectCXXStandard.cmake :30 

mark_as_advanced(HAVE_STD_CXX14_FLAG)

lagadic/visp cmake/VISPDetectCXXStandard.cmake :102 

mark_as_advanced(HAVE_STD_CXX14_FLAG)

lagadic/visp cmake/VISPDetectCXXStandard.cmake :181 

mark_as_advanced(HAVE_STD_CXX14_FLAG)