TBB 4 requires GLIBC version unavailable in Debian Wheezy
On Debian Wheezy stable (newly apt-get updated and upgraded today) while trying to start FF in TBB 4 I get
/usr/lib/i386-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /root/tor-browser_en-US/Browser/libxul.so) Couldn't load XPCOM.
Wheezy uses GCC 4.7 with libstdc++ 6.0.17, but TBB 4 depends on GLIBCXX_3.4.20 which is in libstdc++ 6.0.20 with GCC 4.9, which aren't available in Wheezy. Did I miss something, or does TBB 4 not run on Wheezy?