[MacPorts] #54820: missing std::trunc and other std:: math functions when building webkit2-gtk on 10.6 using macports-libsdtc++ and libgcc headers

[MacPorts]

#54820: missing std::trunc and other std:: math functions when building webkit2-gtk
on 10.6 using macports-libsdtc++ and libgcc headers
--------------------------+-------------------------
  Reporter:  kencu        |      Owner:
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  snowleopard
      Port:  webkit2-gtk  |
--------------------------+-------------------------
Changes (by kencu):

 * Attachment "webkit2-gtk-fail-clang.log" added.

 webkit2-gtk build failure clang -macports-libstdc++

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Ticket URL: <https://trac.macports.org/ticket/54820>
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