Alessio Cascone focused on improving build reliability for the zephyrproject-rtos/poky repository by addressing a critical issue in the tzcode-native component. He corrected the Makefile to use the standard CC variable instead of cc, ensuring proper C compiler detection following the 2023d Makefile refactor. This change resolved persistent build failures in both CI and local environments, directly enhancing packaging stability and reducing support overhead. Alessio’s work centered on build system configuration and Makefile scripting, demonstrating attention to detail in aligning with upstream changes. While no new features were introduced, his targeted fix contributed to a more robust development workflow.