cross-ppc64-gcc7 from Kernel:tools project
Select Your Operating System
Add repository and install manually
For SLE 12 SP5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Kernel:tools/SLE_12_SP5/Kernel:tools.repo zypper refresh zypper install cross-ppc64-gcc7
For SLE 12 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Kernel:tools/SLE_12_SP3/Kernel:tools.repo zypper refresh zypper install cross-ppc64-gcc7