Its ThreadPool submodule already comes from github.com/log4cplus/ThreadPool, so pull the main repo from the canonical github.com/log4cplus/log4cplus too, keeping both fetches consistently routed through the wangguofang.net/github.com proxy instead of mixing sources. Verified with a full build. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WGpSs9pKTbvPkmFvBaWhBp