[MacPorts] #43869: libgcc @4.8.2_1: error: '_Unwind_Ptr' does not name a type

[MacPorts]

#43869: libgcc @4.8.2_1: error: '_Unwind_Ptr' does not name a type
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  Reporter:  ryandesign@…  |      Owner:  mww@…
      Type:  defect        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.0
Resolution:  fixed         |   Keywords:
      Port:  libgcc        |
---------------------------+--------------------

Comment (by larryv@…):

 Replying to [comment:24 jeremyhu@…]:
 > but CPATH=/opt/local/include is taking precedence over that in Ryan's
 > case but not in mine or Larry's.

 Ah, I didn’t set CPATH when generating my preprocessed source. It fails
 for me too when I set CPATH, but works after removing `-isysroot`.

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Ticket URL: <https://trac.macports.org/ticket/43869#comment:26>
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