2000-04-05  Benjamin Kosnik  <bkoz@cygnus.com>
            Martin v. Loewis  <martin@loewis.home.cs.tu-berlin.de>

        * configure.in (enable_libstdcxx_v3): Add.
        (target_libs): Add bits here to switch between libstdc++-v2 and
        libstdc++-v3.
        * config.if: And this file too.
        * Makefile.in: Add libstdc++-v3 targets.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32963 138bc75d-0d04-0410-961f-82ee72b054a4