[MacPorts] #55496: valgrind @3.13.0 is not compatible with macOS version 10.13

[MacPorts]

#55496: valgrind @3.13.0 is not compatible with macOS version 10.13
-----------------------+------------------------
  Reporter:  lucbouge  |      Owner:  raimue
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  highsierra
      Port:  valgrind  |
-----------------------+------------------------

Comment (by lucbouge):

 Thanks a lot for your hint. Let me try it at once.

 Actually, the message for Package valgrind has been updated at some point
 but I did not notice it until now.

 Best regards,

 Luc.

 {{{
 $ sudo port install valgrind
 [...]
 Error: valgrind @3.13.0 is only compatible with macOS versions from 10.5
 up and Xcode8 or less.
 Error: Please install valgrind-devel to work with Xcode9 until version
 3.14 is released.
 }}}

 {{{
 $ sw_vers
 ProductName:    Mac OS X
 ProductVersion: 10.13.2
 BuildVersion:   17C88
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55496#comment:6>
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