[MacPorts] #67764: Add libbacktrace to MacPorts

[MacPorts]

#67764: Add libbacktrace to MacPorts
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 Reporter:  lillolollo  |      Owner:  (none)
     Type:  request     |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:
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 This library can be used for generate a more useful stack trace, it is
 present on linux and ported on windows

 https://github.com/ianlancetaylor/libbacktrace

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Ticket URL: <https://trac.macports.org/ticket/67764>
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