autoconf version?

"fred" <[email protected]>
Newsgroups gmane.comp.mobile.kannel.devel
Message-ID <029901c6cc7e$b1a4c8f0$18e0110a@FRED4> 
which autoconf version is supposed to work ?
have tried 2.53..2.59  
(fedoracore 5)

results in
forbid:^_?A[CHUM]_:
forbid:_AC_:
forbid:^LIBOBJS$:do not use LIBOBJS directly, use AC_LIBOBJ (see section `AC_LIBOBJ vs. LIBOBJS'
allow:^AS_FLAGS$
forbid:^_?m4_:
forbid:^dnl$:
forbid:^_?AS_:

it looks senseless to me...not using LIBOBJS whatever its complaining about?
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