[MacPorts] #49058: apbs: several minor enhancements

[MacPorts]

#49058: apbs: several minor enhancements
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  Reporter:  dstrubbe@…   |      Owner:  howarth.at.macports@…
      Type:  enhancement  |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.3.4
Resolution:  fixed        |   Keywords:  haspatch
      Port:  apbs         |
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Comment (by howarth.at.macports@…):

 This commit ( r142208) broke the ability to build apbs.

 https://trac.macports.org/ticket/49620

 Please fix or revert.

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Ticket URL: <https://trac.macports.org/ticket/49058#comment:10>
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