Most likely a packaging issue of Percona-Server-devel-56-5.6.27-rel76.0.el7.x86_64 released yesterday.
It provides /usr/lib64/libmysqlclient.so but it's a broken link to non-existing libmysqlclient.so.18
MariaDB-shared from mariadb repo provides the missing file.
Most likely a packaging issue of Percona- Server- devel-56- 5.6.27- rel76.0. el7.x86_ 64 released yesterday. libmysqlclient. so but it's a broken link to non-existing libmysqlclient. so.18
It provides /usr/lib64/
MariaDB-shared from mariadb repo provides the missing file.