cross-arm-none-eabi-gcc from home:duwe:Crosstools project
Select Your Operating System
Add repository and install manually
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:duwe:Crosstools/16.0/home:duwe:Crosstools.repo zypper refresh zypper install cross-arm-none-eabi-gcc