[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:
 Keywords:          |       Port:  codeblocks
--------------------+------------------------
 Codeblocks currently fails to build without C++11 compiler:
 {{{
 /usr/bin/clang++ -std=c++11 -DHAVE_CONFIG_H
 -I/opt/local/Library/Frameworks/wxWidgets.framework/Versions/wxWidgets/3.0/lib/wx/include
 /osx_cocoa-unicode-3.0
 -I/opt/local/Library/Frameworks/wxWidgets.framework/Versions/wxWidgets/3.0/include/wx-3.0
 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXMAC__ -D__WXOSX__
 -D__WXOSX_COCOA__  -I../../src/include -I../../src/include
 -I../../src/sdk/wxscintilla/include -I../../src/include/scripting/sqplus
 -I../../src/include/mozilla_chardet
 -I../../src/include/mozilla_chardet/mfbt
 -I../../src/include/mozilla_chardet/nsprpub/pr/include
 -I../../src/include/mozilla_chardet/xpcom
 -I../../src/include/mozilla_chardet/xpcom/base
 -I../../src/include/mozilla_chardet/xpcom/glue -DCB_AUTOCONF
 -I/opt/local/include -DCB_PRECOMP -DPIC -I../../src/include/tinyxml
 -DTIXML_USE_STL=YES  -pipe -Os -stdlib=libstdc++ -arch x86_64 -Winvalid-
 pch -fPIC -fexceptions -o sdk_precomp.h.gch -xc++-header ./sdk_precomp.h
 In file included from ./sdk_precomp.h:13:
 In file included from ../../src/include/sdk_common.h:43:
 ../../src/include/prep.h:366:16: error: no member named 'shared_ptr' in
 namespace 'std'
     using std::shared_ptr;
           ~~~~~^
 ../../src/include/prep.h:367:16: error: no member named
 'static_pointer_cast' in namespace 'std'
     using std::static_pointer_cast;
           ~~~~~^
 ../../src/include/prep.h:368:16: error: no member named 'weak_ptr' in
 namespace 'std'
     using std::weak_ptr;
           ~~~~~^
 }}}

 I'll test whether using the `cxx11 1.1` PortGroup is sufficient.

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