[MacPorts] #48687: libnetpbm: fetch fails on El Capitan beta

[MacPorts]

#48687: libnetpbm: fetch fails on El Capitan beta
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  Reporter:  smaret@…  |      Owner:  ryandesign@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.3
Resolution:            |   Keywords:
      Port:  libnetbm  |
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Comment (by smaret@…):

 Replying to [comment:2 ryandesign@…]:

 > Is `proxy_host` set in macports.conf? If so, to what value?

 Not it wasn't. However, I had the `HTTP_PROXY` and `HTTPS_PROXY`
 environnement variables set to empty strings .  Unsetting these variables
 solved the problem.

 Thanks for the hint!

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Ticket URL: <https://trac.macports.org/ticket/48687#comment:3>
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