Worked on stabilizing the OpenModelica/OpenModelica repository by addressing build compatibility issues with newer toolchains. Focused on resolving a compilation failure encountered when building with Clang 21.1.8 on Ubuntu 26.04, the work involved updating function signatures and aligning the project with the latest CMake requirements. This technical approach improved cross-platform build reliability and ensured that the codebase remains maintainable as dependencies evolve. Utilizing C programming, CMake, and build system expertise, the contribution enhanced the developer onboarding process and continuous integration stability, reducing environment-specific defects and supporting smoother, more predictable releases for the OpenModelica project.