Something

../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x501):Database/impl/MySQLDatabase.cpp:250: undefined reference to `mysql_errno'
../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x7a8): In function `MySQLDatabase::Query(char const*, ...)':
Database/impl/MySQLDatabase.cpp:312: undefined reference to `mysql_store_result'
../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x7ba):Database/impl/MySQLDatabase.cpp:315: undefined reference to `mysql_affected_rows'
../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x7d1):Database/impl/MySQLDatabase.cpp:316: undefined reference to `mysql_field_count'
../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x7e9):Database/impl/MySQLDatabase.cpp:320: undefined reference to `mysql_free_result'
../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x8e1): In function `MySQLDatabase::CheckConnections()':
Database/impl/MySQLDatabase.cpp:191: undefined reference to `mysql_ping'
../shared/libmangosdatabase.a(MySQLDatabase.o)(.text+0x1b64): In function `MySQLDatabaseThread::Do()':
Database/impl/MySQLDatabase.cpp:569: undefined reference to `mysql_ping'
collect2: ld returned 1 exit status
make[3]: *** [mangos-realmd] Error 1
make[3]: Leaving directory `/home/om3/games/opt/mangos/latest_stable/src/realmd'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/om3/games/opt/mangos/latest_stable/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/om3/games/opt/mangos/latest_stable'
make: *** [all] Error 2