Worked on the winterheart/gentoo repository to address cross-architecture consistency for Control-Flow Enforcement Technology (CET) enablement. Focused on build systems and system configuration, the developer implemented a targeted fix in Shell to ensure CET is activated only when GNU triples are present on x86, mirroring the established behavior on arm64 and amd64. This involved updating the toolchain.eclass with environment checks to prevent incorrect CET activation and reduce platform-specific issues. The work improved reliability and security by minimizing misconfigurations, resulting in more predictable builds for users working with x86 GNU triplets. No new features were added during this period.