perl-GD from OBS:Server:2.9 project
Sty agraw n unessmres nnek/m
Add repository and install manually
For SLE 12 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/OBS:Server:2.9/SLE_12_SP3/OBS:Server:2.9.repo zypper refresh zypper install perl-GD