[MacPorts] #50806: gnuplot on ElCapitan fails due to Symbol not found

[MacPorts]

#50806: gnuplot on ElCapitan fails due to Symbol not found
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  Reporter:  chlangley@…  |      Owner:  mojca@…
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  gnuplot      |
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Comment (by david@…):

 Doing some additional testing.

 The ffi gem builds clean with gem2.2 + breaks with gem2.3, see logs in
 ticket #50868 for more detail.

 Here are the exact steps I went through:

 1) git clone https://github.com/wpscanteam/wpscan.git wpscan.git

 2) cd wpscan.git

 3) works: gem2.2 install bundler && bundle install

 4) fails: gem2.3 install bundler && bundle install

 Looking through the Portfile for both ruby22 + ruby23 both configure.args
 settings look the same to me, so unsure why ruby22 references the correct
 libraries + ruby23 throws an error when building ffi.

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Ticket URL: <https://trac.macports.org/ticket/50806#comment:3>
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