Re: update Automake-preselections

[Akim Demaille]

 > This updates Automake-preselections w.r.t. CVS Automake.
 > AC_CONFIG_LIBOBJ_DIR is not yet something we trace, but
 > apparently (PR/401) we should.

 > I'm wondering if it wouldn't be more convenient to have a single
 > directory (e.g., ${datadir}/autoconf/preselections/) where every
 > package drops a file with the list of macros it traces.
 > Currently the preselections are limited to autoconf and
 > automake, but how about offering this to gettextize, libtoolize,
 > and the like?

I was even considering tracing all the AC_DEFUN'd functions by
default...  Some benching should be done.