wine-32bit-build-deps from Emulators:Wine project
Select Your Operating System
Add repository and install manually
For SLE-15-SP1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Emulators:Wine/SLE-15-SP1/Emulators:Wine.repo zypper refresh zypper install wine-32bit-build-deps