mingw64-gc from home:Guillaume_G:WSL project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Guillaume_G:WSL/openSUSE_Tumbleweed/home:Guillaume_G:WSL.repo zypper refresh zypper install mingw64-gc