[MacPorts] #57582: esmf does not compile on macOS Mojave 10.14.1

[MacPorts]

#57582: esmf does not compile on macOS Mojave 10.14.1
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  Reporter:  GeneralDuke9  |      Owner:  tenomoto
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.5.4
Resolution:                |   Keywords:
      Port:  esmf          |
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Comment (by Dave-Allured):

 @DeneralDuke9, you were right in the first place.  It is nothing more than
 a missing include.  Thanks for pointing me in the right direction.  Please
 see
 [https://trac.macports.org/ticket/57493?cversion=2&cnum_hist=6#comment:7
 my explanation] in the other ticket.

 I am waiting for the next `ESMF` public release.  However, you can
 probably patch the current code if you want the `esmf +gcc8` variant
 sooner.  I did not test this beyond getting a good compile.

 Maintainer, please close this ticket as duplicate of #57493.

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Ticket URL: <https://trac.macports.org/ticket/57582#comment:9>
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