_AC_LANG_ABBREV on Mac

[Jim Edwards <edwards.jim@xxxxxxxxx>]

Hi All,

I have
-n checking for libtool >= 1.5 ...
Major version might be too new (2.4)
Checking if required version of automake is installed
-n checking for autoconf >= 2.54 ...
yes (version 2.61)
-n checking for automake >= 1.9.6 ...
yes (version 1.10)

on a Mac OSX 10.7.0

and I am trying to bootstrap a project that contains CXX and Fortran code.
But I am getting the following error from configure:

configure:23907: error: possibly undefined macro: AS_ECHO
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure:23907: error: possibly undefined macro: _AC_LANG_ABBREV

I see that both these macros exist in my /usr/share/autoconf tree - why
isn't it finding them?
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