[MacPorts] #54395: codeblocks: needs C++11

[MacPorts]

#54395: codeblocks: needs C++11
-------------------------+-------------------
  Reporter:  mojca       |      Owner:  mojca
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  codeblocks  |
-------------------------+-------------------

Comment (by kencu):

 I couldn't get anywhere building it on 10.6 with libc++ and clang-3.9. I
 think it might be related to the precompiled headers?
 {{{
 In file included from tinywxuni.cpp:1:
 In file included from ../../../src/include/sdk_precomp.h:13:
 In file included from ../../../src/include/sdk_common.h:43:
 ../../../src/include/prep.h:23:11: error: declaration conflicts with
 target of using declaration already in scope
     const class nullptr_t
           ^
 }}}
 I tried enabling this:
 {{{
 configure.args-append   --disable-pch
 }}}
 but that didn't change anything.

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Ticket URL: <https://trac.macports.org/ticket/54395#comment:2>
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