Worked on stabilizing cross-platform builds for the luanfujun/uv repository, focusing on resolving a critical AIX build blocker. Addressed the issue by upgrading the libc dependency from version 0.2.174 to 0.2.175, ensuring compatibility and improved build health without introducing new features. Emphasized careful dependency management and build system maintenance using Rust, while documenting progress and outlining next steps for the full build pipeline. Enhanced traceability by linking related issues and constraining changes to the specific dependency, which preserved overall stability. The work demonstrated a methodical approach to maintaining complex build environments and supporting ongoing cross-platform development efforts.