Worked on the open-mpi/ompi repository to address a build reliability issue specific to Darwin platforms. Focused on improving the ltmain_flang_darwin script, the developer implemented a fix that compares the compiler variable using its basename, ensuring correct behavior when the CC environment variable is set to a full path, as commonly seen in Spack-based builds. This shell scripting and build system configuration work enhanced cross-platform compatibility and reduced build failures during packaging workflows. By refining the script’s handling of compiler paths, the contribution improved overall build stability for Darwin targets, demonstrating attention to detail in build automation and scripting.