[MacPorts] #38901: libxc @2.0.1 license info not listed

[MacPorts]

#38901: libxc @2.0.1 license info not listed
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  Reporter:  dstrubbe@…   |      Owner:  fabian.renn@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  libxc        |
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Comment (by dstrubbe@…):

 I am attaching a patch that
 * adds the license, as above;
 * removes "-C -ansi" from the FCCPP line, which is not necessary (as I
 mentioned in #38915); and
 * adds livecheck.

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Ticket URL: <https://trac.macports.org/ticket/38901#comment:2>
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