[tor-bugs] #13359 [Tor Browser]: Linux: update fails because bundled libstdc++.so.6 is not found

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#13359: Linux: update fails because bundled libstdc++.so.6 is not found
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     Reporter:  mcs          |      Owner:  gk
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:
    Component:  Tor Browser  |    Version:
   Resolution:               |   Keywords:  ff31-esr
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by mcs):

 > I'd test the one mentioned in comment:4 but I currently lack the update
 testing setup. mcs: can you think of trying this idea (does not matter if
 you still have your tor related system libs installed in this case)? Would
 a patch from my side be of help (it would basically copy the libstdc++
 into the tor lib directory instead of the browser directory)?

 Kathy and I tried this for a 4.0-alpha-3 to nightly upgrade.  Our quick
 and dirty approach was to move libstdc++.so from Browser/ to
 Browser/TorBrowser/Tor/ after the update was applied (but before clicking
 "Restart to Update").  The browser (and tor) restarted without error.  In
 fact, if you set devtools.chrome.enabled = true, open the browser console,
 and then type the following you can see LD_LIBRARY_PATH:

 alert(Cc["@mozilla.org/process/environment;1"].getService(Ci.nsIEnvironment).get("LD_LIBRARY_PATH"));

 After successfully restarting, the above shows that LD_LIBRARY_PATH is
 still set to /home/brade/Desktop/tor-browser/Browser/TorBrowser/Tor/ (the
 same value it had in 4.0-alpha-3 before we applied the update).  So the
 update process is not touching LD_LIBRARY_PATH; the real problem is that
 the LD_LIBRARY_PATH value used in 4.0-alpha-3 is not sufficient for the
 ESR31-based browser.

 It would still be nice to embed a relative rpath but it seems that moving
 libstdc++.so is an acceptable workaround if that proves to be too messy.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13359#comment:10>
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