使用trtexec的时候提示一下内容：
./trtexec: /lib64/libstdc++.so.6: version `CXXABI_1.3.8' not found (required by ./trtexec)
./trtexec: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.22' not found (required by ./trtexec)
./trtexec: /lib64/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by ./trtexec)
./trtexec: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by ./trtexec)
./trtexec: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by ./trtexec)
有说法指出将gcc升级到4.9.0即可
但是无权限使用apt-get使gcc升级到4.9.0
有无办法？