[MacPorts] #59837: macOS 10.14 SDK does not appear to be installed even though Command Line Tools are installed

[MacPorts]

#59837: macOS 10.14 SDK does not appear to be installed even though Command Line
Tools are installed
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  Reporter:  manulcaux  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  base       |    Version:
Resolution:             |   Keywords:
      Port:             |
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Comment (by jmroot):

 Replying to [comment:21 RiotNrrrd]:
 > The SDK is right there in the path "''Joshua Root''" claims it is looked
 for in, yet ''**xcrun**'' doesn't find it.

 I don't know what xcrun does internally, but it's only used as a last
 resort anyway. You can look at the code for yourself to verify it does in
 fact directly check for the existence of the SDK directory first:
 https://github.com/macports/macports-
 base/blob/v2.6.2/src/port1.0/portconfigure.tcl#L475-L481 (after
 installation that file is at
 `/opt/local/libexec/macports/lib/port1.0/portconfigure.tcl`).

 It is puzzling that that doesn't seem to be working for some users.

-- 
Ticket URL: <https://trac.macports.org/ticket/59837#comment:24>
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