[MacPorts] #69235: watchman: trace trap

[MacPorts]

#69235: watchman: trace trap
-----------------------+----------------------
  Reporter:  phiz118   |      Owner:  danchr
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.9.0
Resolution:            |   Keywords:
      Port:  watchman  |
-----------------------+----------------------

Comment (by kencu):

 it looks like it is dying in the ancient libunwind from the libunwind port
 that we should not have installed on any current system:

 {{{
 % port -v installed libunwind
 The following ports are currently installed:
   libunwind @5.0.1_0+universal (active) requested_variants=''
 platform='darwin 23' archs='arm64 x86_64' date='2024-02-15T17:45:23-0800'

 % otool -L /opt/local/bin/watchman | grep unwind
         /opt/local/lib/libunwind.1.dylib (compatibility version 1.0.0,
 current version 5.0.1)

 % lldb watchman
 (lldb) target create "watchman"
 Current executable set to '/opt/local/bin/watchman' (arm64).
 (lldb) r
 Process 82836 launched: '/opt/local/bin/watchman' (arm64)
 Process 82836 stopped
 * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT
 (code=1, subcode=0x191ccba6c)
     frame #0: 0x0000000191ccba6c libunwind.dylib`_Unwind_GetIP + 244
 libunwind.dylib`:
 ->  0x191ccba6c <+244>: brk    #0xc471
     0x191ccba70 <+248>: mov    x0, x16
     0x191ccba74 <+252>: ldp    x29, x30, [sp, #0x10]
     0x191ccba78 <+256>: ldp    x20, x19, [sp], #0x20
 Target 0: (watchman) stopped.
 (lldb) bt
 * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT
 (code=1, subcode=0x191ccba6c)
   * frame #0: 0x0000000191ccba6c libunwind.dylib`_Unwind_GetIP + 244
     frame #1: 0x000000018540bc7c libc++abi.dylib`__gxx_personality_v0 +
 588
     frame #2: 0x0000000100a6d144 libunwind.1.dylib`unwind_phase2 + 140
     frame #3: 0x0000000100a6d1d0 libunwind.1.dylib`_Unwind_Resume + 52
     frame #4: 0x000000010010cd84 watchman`json_load_file(char const*,
 unsigned long) + 620
     frame #5: 0x000000010007aa5c watchman`cfg_load_global_config_file() +
 152
     frame #6: 0x00000001000830b4 watchman`main + 104
     frame #7: 0x00000001850d10e0 dyld`start + 2360
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/69235#comment:4>
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