[MacPorts] #56944: Error: Failed to build ld64-127: command execution failed

[MacPorts]

#56944: Error: Failed to build ld64-127: command execution failed
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  Reporter:  mrkapqa   |      Owner:  jeremyhu
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.5.3
Resolution:            |   Keywords:
      Port:  ld64-127  |
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Comment (by mrkapqa):

 Thank you Kencu,

 if i remember correctly i tried that already before but that did not
 completely solve the issue so i thought it might be worth a try to test
 the long road.

 i do use firefox 45 esr on my system , but it is sometimes a bit outdated
 (example: twitter).
 on lion 10.7 i can use waterfox 56.2 , which is otherwise also limited to
 firefox 45 esr.

 it seems on 10.6.8 i am stuck then for now with firefox and waterfox 48
 (which opens correctly). actually, safari is best on 10.6.8 in terms of
 speed, but fails quite often to open pages due to security isseus i think.

 I use Tenfourfox 17 (with plugins) and Tenfourfox latest quite regularly .
 i would be great if it be possible to make it also available in a docker-
 like format, so that when one has 2 versions of tenfourfox installed , say
 17 and a newer, the can run independently, otherwise it is a bit
 complicated with the plugins and add-ons which tend to update themselves
 or get deactivated.

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Ticket URL: <https://trac.macports.org/ticket/56944#comment:6>
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