Worked on enhancing the Verilator build system by developing a robust CMake flag detection mechanism, focusing on improving the handling of compiler flags within the antmicro/verilator repository. Addressed issues related to unsupported -Wno flags by implementing a custom CMake function that accurately tests and gracefully skips problematic flags, thereby reducing build failures and improving cross-compiler portability. This update strengthened the reliability of continuous integration pipelines and streamlined developer onboarding. The work demonstrated proficiency in build system configuration and CMake scripting, contributing to a more stable and maintainable build process for Verilator without introducing new features during the period.