libotr2 from openSUSE:Evergreen:Maintenance:12 project
Select Your Operating System
Add repository and install manually
For openSUSE Evergreen 11.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Evergreen:Maintenance:12/openSUSE_Evergreen_11.4/openSUSE:Evergreen:Maintenance:12.repo zypper refresh zypper install libotr2