cmake H5_HAVE_SIGSETJMP examples

szcom/rnnlib hdf5_snap/config/cmake/ConfigureChecks.cmake :654 

CHECK_FUNCTION_EXISTS (sigsetjmp         H5_HAVE_SIGSETJMP)

szcom/rnnlib hdf5_snap/config/cmake/ConfigureChecks.cmake :685 

endif (NOT H5_HAVE_SIGSETJMP)