[tbb-bugs] #31464 [Applications/Tor Browser]: meek and moat are broken on macOS 10.9 with the switch to Go 1.12

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#31464: meek and moat are broken on macOS 10.9 with the switch to Go 1.12
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 Reporter:  gk                        |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-rbm, meek             |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by mcs):

 Replying to [comment:2 dcf]:
 > I suppose this is a problem not only with the meek from meek.git, but
 also when using meek_lite with obfs4proxy (#29430)? Or does obfs4proxy
 somehow avoid using the problematic `_unlinkat` symbol? If the latter is
 the case, then #29430 would seem to solve it.

 In fact, obfs4proxy seems to avoid this problem. See 30126#comment:56

 > According to https://github.com/golang/go/wiki/Darwin, OS X 10.9 is not
 supported past Go 1.10.8.

 I guess we should try to support macOS 10.9.x as long as we can, but it
 may be a losing battle. And even though Mozilla still supports it for
 Firefox, we should not recommend it since 10.9 only rarely receives
 security updates from Apple.

 Georg, should we close this ticket since this issue seems to be resolved
 with Tor Browser 9.0a6 (after the switch to meek_lite)?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31464#comment:3>
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