Worked on enhancing build determinism for the espressif/openocd-esp32 repository by implementing reproducible-build support within the Makefile.am. The approach centered on integrating SOURCE_DATE_EPOCH handling, allowing build timestamps to be set deterministically when the environment variable is present, while safely defaulting to the current timestamp if not. This solution improved reproducibility across diverse CI environments and reduced noise in build artifact comparisons. The work involved targeted modifications to the build system using Makefile and build automation skills, ensuring minimal disruption to existing workflows. No bugs were addressed during this period, with the focus remaining on feature development and reproducible builds.