Log Message:
Make sure that the AUTOM4TE and AUTOCONF is defined in the environment
because old (or wrong) versions may be used or the tool may be missing
(such as not in path).

When not in path, you may receive errors like:
 sh: autom4te: not found
 aclocal-1.9: autom4te failed with exit status: 1
(noticed under Solaris)

Or if wrong versions are used, you may receive:
 autom4te: unknown language: Autoconf-without-aclocal-m4
 aclocal-1.9: autom4te failed with exit status: 1
(noticed under Mac OS X)

Maybe the correct fix would be to fix the pkgsrc-installed
aclocal and automake scripts so that the autom4te and autoconf
scripts used from within are using the correct path and version
(as also installed from pkgsrc).