cmake HAVE_SETFD examples

mongodb/mongo-bi-connector-odbc-driver configure.cmake :486 

CHECK_FUNCTION_EXISTS (setfd HAVE_SETFD)

alibaba/AliSQL configure.cmake :573 

CHECK_FUNCTION_EXISTS (setfd HAVE_SETFD)

alibaba/AliSQLBackup configure.cmake :488 

CHECK_FUNCTION_EXISTS (setfd HAVE_SETFD)