macro `AM_PROG_LIBTOOL' not found in library

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Here is an error building arts (and the same one happens with kdelibs 
too)

[iBook-900:~/arts] ratph1nk% sudo make -f admin/Makefile.common cvs 
Password:
*** Creating acinclude.m4
  *** Creating list of subdirectories
*** Creating Makefile.am
  *** Creating configure.files
  *** Creating configure.in
  *** Creating aclocal.m4
aclocal: configure.in: : macro `AM_PROG_LIBTOOL' not found in library
make: *** [cvs] Error 1

I have 2 autoconf's one from fink and ond preinstalled, both are 2.5.7

[iBook-900:~/arts] ratph1nk% /sw/bin/autoconf -V
autoconf (GNU Autoconf) 2.57
Written by David J. MacKenzie and Akim Demaille.

[iBook-900:~/arts] ratph1nk% /usr/bin/autoconf -V
autoconf (GNU Autoconf) 2.57
Written by David J. MacKenzie and Akim Demaille.
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