rust-bindgen from home:smarty12:rust project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:rust/openSUSE_Leap_15.4/home:smarty12:rust.repo zypper refresh zypper install rust-bindgen