* ltconfig, ltmain.sh: Update from libtool multi-language branch.

* ltcf-c.sh (need_lc): Fix test message.  Set wl for archive_cmds.
(ac_cv_prog_cc_pic): Don't print `cached' without `checking'.
* ltcf-cxx.sh (need_lc): Set based on postdeps.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35405 138bc75d-0d04-0410-961f-82ee72b054a4