[tor-bugs] #26251 [Applications/Tor Browser]: Adapt macOS snowflake compilation to new toolchain

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#26251: Adapt macOS snowflake compilation to new toolchain
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 Reporter:  gk                              |          Owner:  tbb-team,
                                            |  sukhbir
     Type:  task                            |         Status:  closed
 Priority:  Medium                          |      Milestone:
Component:  Applications/Tor Browser        |        Version:
 Severity:  Normal                          |     Resolution:  fixed
 Keywords:  tbb-rbm, TorBrowserTeam201807R  |  Actual Points:
Parent ID:                                  |         Points:
 Reviewer:                                  |        Sponsor:
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Comment (by teor):

 Replying to [comment:15 mcs]:
 > After some trial and error and a lot of time waiting for macOS to
 install and boot, I succeeded in testing the 2018-07-18 Tor Browser
 nightly build on macOS 10.9 (via a bootable USB flash drive).
 Unfortunately, tor.real does not start due to an undefined mach_XXX
 symbol. I will post the details tomorrow, but it is possible that I just
 need to install some macOS 10.9.x patches to fix that problem. Or maybe
 the network team needs to fix that problem before we can get to Snowflake.

 If you tell us what the mach_XXX symbol is, we'll have a better chance of
 debugging the issue.

 But I'm wondering if it's something like #20241 or #20235 - Apple doesn't
 do weak linking for low-level Darwin functions (like mach_XXX), because
 their weak linking macros depend on high-level macOS headers.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26251#comment:16>
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