Thank you, once again, Mr. Willis :). Do you know if there is an SDK released, like in 11.3 SP3? I’ve been searching but have not found one. If not, do the openSUSE 12.1 repos work for other software?
YaST > Support > SUSE Customer Centre Configuration, assuming the machine is registered there’s a box there you can tick to add the SDK repos.
Or you can download the ISO from https://download.suse.com/ Select ‘SUSE Linux Enterprise Software Development Kit’ in the first drop-down and ‘SUSE Linux Enterprise Software Development Kit 12’ in the second. Once you’ve downloaded the ISO go to YaST > Software > Add-On Products, select the ISO the ISO will be added as a repo and the SDK update repo should also be added.