Hi Sergej, thanks for your tip!
A first test shows that this work now. I will do some more tests tomorrow. And in case of further problems I will come back. Thanks!!! AugustQ On Do, 2013-12-05 at 19:06 +0100, Sergei Golubchik wrote: > Hi, AugustQ! > > On Dec 05, AugustQ wrote: > > > > just one question: > > I have a simple plugin (a minimal storage engine) that does not load. > > When I try to load it I get this error-message: > > > > MariaDB [(none)]> install plugin dummy soname 'ha_dummy'; > > ERROR 1126 (HY000): Can't open shared library > > '/home/august/MariaDB/pgm/lib/plugin/ha_dummy.so' (errno: 2 undefined > > symbol: _ZN9ha_myisam5cloneEPKcP11st_mem_root) > > > > Can you please give me a tip. Thanks. > > > > Environment is MariaDB 10.0.4. > > > > The same code works without any problems in MySQL (5.5.8 - just for a > > test). > > This happens because in MariaDB statically linked plugins don't export > all their symbols. This helps to avoid name clashes with dynamically > loaded plugins (like, when InnoDB is loaded and XtraDB is compiled in). > Unlike MySQL we have a lot more of community developed storage engines, > and we have to take these issues seriously. > > Because of that, the symbol _ZN9ha_myisam5cloneEPKcP11st_mem_root is > local in MariaDB, and your plugin doesn't see it. In MySQL this symbol > is global. > > I'll see if I can remove this. > > Alternatively, you can try to link your plugin explicitly with > libmyisam.a > > Regards, > Sergei > _______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : maria-developers@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp
