Worked on enhancing CPR packaging within the Spack ecosystem, focusing on improving build system flexibility and downstream configurability. Developed and integrated new build-time variants for the CPR package in both the spack/spack-packages and spack/spack repositories, enabling position-independent code and optional shared library builds. This approach involved updating Python-based package management logic and CMake definitions to conditionally set build flags, thereby increasing portability and reproducibility across environments. The work established consistent variant handling across repositories, aligning with project requirements and facilitating more customizable deployment options for users relying on Spack’s package management and build system infrastructure.