mingw64-gd from home:rogeroberholtzer:mingw64 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:rogeroberholtzer:mingw64/openSUSE_Tumbleweed/home:rogeroberholtzer:mingw64.repo zypper refresh zypper install mingw64-gd