[MacPorts] #57955: webp @ 1.0.2 Configure error - build failure

[MacPorts]

#57955: webp @ 1.0.2 Configure error - build failure
----------------------+--------------------
 Reporter:  similate  |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.5.4
 Keywords:            |       Port:
----------------------+--------------------
 Running MacOS Mojave 10.14.2\\
 XCode 10.1\\
 Tried a selfupdate\\
 Tried a port clean, then a port install\\
 Then tried an unstall, a port clean, and a port install\\
 Configure step is failing.\\
 {{{Failed to configure webp: configure failure: command execution
 failed}}}

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Ticket URL: <https://trac.macports.org/ticket/57955>
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