[tbb-bugs] #27508 [Applications/Tor Browser]: Starting Tor Browser 8 is broken on some older Linux systems

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#27508: Starting Tor Browser 8 is broken on some older Linux systems
-------------------------------------+-------------------------------------
     Reporter:  gk                   |      Owner:  tbb-team
         Type:  defect               |     Status:  new
     Priority:  High                 |  Milestone:
    Component:  Applications/Tor     |    Version:
  Browser                            |   Keywords:  TorBrowserTeam201809,
     Severity:  Normal               |  tbb-8.0-issues, tbb-regression
Actual Points:                       |  Parent ID:
       Points:                       |   Reviewer:
      Sponsor:                       |
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 We have reports from Linux Mint 17 and Ubuntu 14 users that Tor Browser is
 not starting anymore, probably due to #25485. The error they get is:
 {{{
 ./firefox.real: relocation error: ./firefox.real: symbol
 _ZTTNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEE, version
 GLIBCXX_3.4.21 not defined in file libstdc++.so.6 with link time reference
 }}}
 There is a workaround posted ()
 {{{
 1 open file /Browser/firefox
 2 comment line 10,12( if and fi) to use custom libstdc++
 #if [ $? -ne 0 ]; then
 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$basedir/TorBrowser/Tor/libstdc++/"
 #fi
 }}}
 So, it seems our `abicheck` hack is not working as expected? I wonder what
 is going on here, though, as I have no issues updating from 7.5.6 to 8.0
 on an Ubuntu 14.04.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27508>
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