xorg-x11-server-sdk from openSUSE:Evergreen:Maintenance:150 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:150/openSUSE_Evergreen_11.4/openSUSE:Evergreen:Maintenance:150.repo zypper refresh zypper install xorg-x11-server-sdk