"Unknown argument in the command line" build failure(s) — clang 3.3

gcc has plenty of options. Some of them should be implemented by clang, some other, no.
A first discussion occurred on this subject on the clang mailing list.
PackageVersionSupposed error messageFull log Bug report
libffi 3.0.13-4clang -cc1as: error: unknown argument: '--gdwarf2' Log

1 errors