libgthread-2_0-0 from home:fanyadan:libproxy project
Select Your Operating System
Add repository and install manually
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fanyadan:libproxy/15.6/home:fanyadan:libproxy.repo zypper refresh zypper install libgthread-2_0-0