complibs: add frontends for building to run on the build machine

In canadian-cross, we need the companion libraries running on the
build machine, to be able to build the two core gcc.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

python

import sys

sys.path.insert(0, '@@PREFIX@@/share/gcc-@@VERSION@@/python')

from libstdcxx.v6.printers import register_libstdcxx_printers

register_libstdcxx_printers (None)

end