Problem building libX11 from automake, autoconf, etc.

[eculp]

configure.ac:420: warning: do not use m4_regexp: use regexp or m4_bregexp
aclocal.m4:325: _AM_DIRNAME is expanded from...
../../lib/autoconf/status.m4:1578: _AC_OUTPUT_MAIN_LOOP is expanded from...
configure.ac:420: the top level
configure.ac:10: your implementation of AM_INIT_AUTOMAKE comes from an
configure.ac:10: old Automake version.  You should recreate aclocal.m4
configure.ac:10: with aclocal and run automake again.
/usr/local/share/automake-1.10/am/depend2.am: am__fastdepCC does not  
appear in AM_CONDITIONAL
/usr/local/share/automake-1.10/am/depend2.am:   The usual way to  
define `am__fastdepCC' is to add `AC_PROG_CC'
/usr/local/share/automake-1.10/am/depend2.am:   to `configure.ac' and  
run `aclocal' and `autoconf' again.
*** Error code 63

I am seeing this when trying to make x11/libX11.  I have rebuilt all  
the auto* ports multiple times and have just pkg_delete[ed] them and  
let them build as dependencies with the same results.

Thanks,

ed