(LINK_SPEC): Add missing `-' before `k' option.
(PREFERRED_DEBUGGING_TYPE): Define to DBX_DEBUG.
(SDB_DEBUGGING_INFO): Define.
(MD_EXEC_PREFIX): Define to /usr/local/lib/gcc-.
(LINK_LIBGCC_SPECIAL_1): Define.
(NAME__MAIN, SYMBOL__MAIN): Define.

From-SVN: r5224