[MacPorts] #43978: libgcc: error: unknown value '10.10' of -mmacosx-version-min

[MacPorts]

#43978: libgcc: error: unknown value '10.10' of -mmacosx-version-min
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  Reporter:  arthur@…  |      Owner:  mww@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.0
Resolution:            |   Keywords:  yosemite
      Port:  libgcc    |
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Comment (by ab@…):

 Replying to [comment:13 ryandesign@…]:
 > gcc48, gcc49 and gcc410 have a fix for this as of r123168. I'll work on
 earlier gcc versions next.

 Tried to build it again Yosemite, after upgrading ports. Now it tries to
 build libgcc 4.9.1, but also fails with an error. I have attached a
 logfile in the previous comment.

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Ticket URL: <https://trac.macports.org/ticket/43978#comment:14>
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