[MacPorts] #57743: Building db48 fails on MacOS 10.14.1

[MacPorts]

#57743: Building db48 fails on MacOS 10.14.1
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  Reporter:  russhousley  |      Owner:  jmroot
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.5.4
Resolution:               |   Keywords:
      Port:  db48         |
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Comment (by danielluke):

 you're building with +java but the build isn't able to find jni.h (do you
 have a jdk installed?)

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Ticket URL: <https://trac.macports.org/ticket/57743#comment:3>
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