RPM of new version 0.52 of the library to communicate with servers is available in remi repository for Fedora et Enterprise Linux. It's also available in rawhide.
As always:
yum --enablerepo=remi install libmemcached
This library is required by the new memcached PECL extension (an alternative to memcache) in active development phase.
As this new version breaks ABI (with previous 0.49), I don't plan any update in the fedora ≤ 16 repository.
So :
fedora 14 : version 0.43, libmemcached.so.5
fedora 15 :...