[tor-bugs] #30321 [Applications/Tor Browser]: Adapt Linux toolchain for Firefox 68 ESR

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#30321: Adapt Linux toolchain for Firefox 68 ESR
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:  new
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, ff68-esr, tbb-9.0-must-     |  Actual Points:
  nightly, TorBrowserTeam201908,                 |
  GeorgKoppen201908                              |
Parent ID:  #30320                               |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor44-can
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Comment (by gk):

 Replying to [comment:17 gk]:
 > Replying to [comment:14 boklm]:
 > > My branch `linux_esr68_v6` contains the latest version of the patches
 for the Linux changes:
 > > https://gitweb.torproject.org/user/boklm/tor-browser-
 build.git/log/?h=linux_esr68_v6
 > >
 > > The top commit from this branch is only for testing and should not be
 merged. It should be replaced by a commit updating the firefox version
 (after we pushed an esr68 branch to `tor-browser.git`).
 >
 > Thanks. The language pack related commit looks good to me, nice find! I
 cherry-picked that one to `master` as commit
 4a632f8ac10f5d01ac9ef075fc698bd7454ab6cb. I looked over the ESR 68 changes
 again and tweaked the commit slightly, e.g. by passing `--enabled-proxy-
 bypass-protection` to i686 as well. It's now commit
 c26b8196c90e908a83104c639865a2aca6598efe. Please have a look once you are
 back.
 >
 > There are a number of XXX's and issues we still should try to address as
 well. For verbosity they are:
 >
 > 1) We are installing `python` just for `mach`. I guess we should use the
 one we built ourselves instead?

 #31447

 > 2) gold and lld break for 32bit and we need to resort to bfd. This needs
 investigation (I bet Mozilla is not affected here)

 #31448

 > 3) We don't get 32bit signing related binaries anymore but we need
 those. We need to fix that.

 #31449 and the only real blocker for this ticket.

 > 4) We need to enable the updater again once the rebases patches are
 available

 We'll do that on the fly once the updater patches landed.

 > 5) I think we still should build the debug build with GCC enabled to
 catch potential issues Mozilla is not catching anymore after they switched
 to clang.

 #31450

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30321#comment:20>
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