As far as I can tell, the intent was always to use clang, but building with LLVM=1 CC=gcc will result in building with GCC and LLVM binutils and LLD. Signed-off-by: Jens Reidel <adrian@postmarketos.org> Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/7335>