[MacPorts] #55065: libdap @3.15.1: error: ordered comparison between pointer and zero ('char *' and 'int')

[MacPorts]

#55065: libdap @3.15.1: error: ordered comparison between pointer and zero ('char
*' and 'int')
---------------------+-----------------------------------------------
  Reporter:  basmac  |      Owner:  tenomoto
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.4.2
Resolution:          |   Keywords:  highsierra sierra xcode9 haspatch
      Port:  libdap  |
---------------------+-----------------------------------------------

Comment (by basmac):

 {{{
 Can the port be updated to 3.18.1, I still get 3.15.1 on 10.12 and 10.13
 with the usual fail to compile with Xcode 9 and CLT.
 Or do I have to patch it explicitly ?
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55065#comment:5>
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