cmake HAVE_MADV_DONTDUMP examples

GreatSQL/GreatSQL configure.cmake :300 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

percona/percona-server configure.cmake :304 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

facebook/mysql-5.6 configure.cmake :303 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

logicalclocks/rondb configure.cmake :305 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

polardb/polardbx-engine configure.cmake :299 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

mysql/mysql-server configure.cmake :303 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

percona/percona-xtrabackup configure.cmake :304 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)

percona/percona-xtradb-cluster configure.cmake :305 

CHECK_SYMBOL_EXISTS(MADV_DONTDUMP "sys/mman.h" HAVE_MADV_DONTDUMP)