MDEV-5773 symbol list_add, version libmysqlclient_18 not defined in file libmysqlclient.so.18 with link time reference
MDEV-5763 libmyodbc.so: undefined symbol: int2str
MDEV-5739 Symbol missing in libmysqlclient.so.18 (make_scrambled_password)

pam_mysql and especially myodbc need tons of internal symbols on Debian, argh!