Since the gcc configuration changes, the way to select the
dependent companion libraries has changed.
Update the addToolVersion script to match.
Reported-by: Xun Li <lxfind@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 4cd9cda2265c0c76df3d4ff77a2f3461aae3bc9f)