[tbb-bugs] #25485 [Applications/Tor Browser]: Browser/TorBrowser/Tor/libstdc++.so.6: version `CXXABI_1.3.11' not found (required by /usr/lib/x86_64-linux-gnu/libmirclient.so.9)

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Jul 23 16:43:23 UTC 2018

#25485: Browser/TorBrowser/Tor/libstdc++.so.6: version `CXXABI_1.3.11' not found
(required by /usr/lib/x86_64-linux-gnu/libmirclient.so.9)
 Reporter:  cypherpunks                     |          Owner:  tbb-team
     Type:  defect                          |         Status:
                                            |  needs_revision
 Priority:  Very High                       |      Milestone:
Component:  Applications/Tor Browser        |        Version:
 Severity:  Normal                          |     Resolution:
 Keywords:  ff60-esr, TorBrowserTeam201807  |  Actual Points:
Parent ID:                                  |         Points:
 Reviewer:                                  |        Sponsor:

Comment (by Hello71):

 Replying to [comment:23 boklm]:
 > Replying to [comment:19 sukhbir]:
 > > So the question then is that if it's not `strings`, then what would be
 a good way of finding out the installed version of libstdc++ to compare
 with the bundled version? Would parsing the `readelf` output be a better
 > Maybe we could build a small c++ program linked with our libstdc++ and
 using the latest CXXABI. If running this program from `start-tor-browser`
 fails then we know that we need to add our libstdc++ to `LD_LIBRARY_PATH`.

 isn't that what I said to do?

 Replying to [comment:24 boklm]:
 > Replying to [comment:14 Hello71]:
 > > what's wrong with rpath?
 > How would it help with this issue? I think using rpath instead of
 `LD_LIBRARY_PATH` to use our libstdc++ library does not remove the issue
 that our libstdc++ can be too old for `libgdk-3.so.0` or other installed
 libraries on some systems.

 DT_RUNPATH to be specific, not DT_RPATH. it only applies to the immediate
 dependencies, so it solves the immediate problem. it doesn't fix *data*
 format changing though, so for example passing a std::string between a new
 lib and an old lib might crash or do something bad.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25485#comment:25>
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