I meant to use "-Wl,--wrap" but accidentally just used --wrap. Notice that the error message has turned it into -fwrap. This is confusing.
[j...@iceland tmp]$ gcc --wrap -c m.c cc1: error: unrecognized command line option "-fwrap" [j...@iceland tmp]$ gcc --version gcc (GCC) 4.4.3 20100127 (Red Hat 4.4.3-4) -- Summary: Unexpected error message for bad command line argument Product: gcc Version: 4.4.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: joel at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43687