[MacPorts] #54282: poppler @0.55.0_0 fails to build on PPC Leopard, Mac OS X 10.5.8, because GCC 4.2 does not understand "-std=c++11"

[MacPorts]

#54282: poppler @0.55.0_0 fails to build on PPC Leopard, Mac OS X 10.5.8, because
GCC 4.2 does not understand "-std=c++11"
------------------------+-----------------------------
  Reporter:  ballapete  |      Owner:  dbevans
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.1
Resolution:             |   Keywords:  leopard powerpc
      Port:  poppler    |
------------------------+-----------------------------

Comment (by kencu):

 popper installs fine on 10.4 PPC and 10.5 PPC with macports-gcc-6.

 It also installs fine on 10.5 PPC and appears to work correctly with the
 slightly modified version of clang-3.8 I made not long ago
 <https://github.com/kencu/LeopardPorts/tree/master/lang/llvm-3.8>, using
 Marcus' -stdlib=macports-libstdc++ trick. I may see if I can sell that
 idea to Jeremy, as it has legs for 10.5 PPC I think.

 The cxx11 portgroup does not work as it is with 10.5 PPC just now, but I
 think if we just blacklist clang-3.9 and clang-4.0 on PPC in that
 portgroup it could work then. Not everything builds with gcc6, but a lot
 of things do.

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Ticket URL: <https://trac.macports.org/ticket/54282#comment:8>
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