torbrowser 5.0.3 requires gcc5, otherwise it fails with libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by Browser/firefox)
torbrowser 5.0.3 requires gcc5, otherwise it fails with libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by Browser/firefox)