[MacPorts] #53625: qscintilla: requires C++11, not using the right compiler

[MacPorts]

#53625: qscintilla: requires C++11, not using the right compiler
-------------------------+-----------------------
  Reporter:  mojca       |      Owner:  michaelld
      Type:  defect      |     Status:  reopened
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  qscintilla  |
-------------------------+-----------------------

Comment (by mojca):

 Adding `-std=c++11` in the PortGroup helped. The compilation almost
 finished, except that the build is still not [[UsingTheRightCompiler]] for
 the final linking step.

 As well as some weird "library not found" error.
 {{{
 /usr/bin/clang++ -headerpad_max_install_names -arch x86_64 -single_module
 -dynamiclib -Xarch_x86_64 -mmacosx-version-min=10.7 -o
 libqscintillaplugin.dylib qscintillaplugin.o moc_qscintillaplugin.o
 -F/opt/local/libexec/qt4/Library/Frameworks -F/opt/local/libexec/qt4/lib
 -L../Qt4Qt5 -lqscintilla2_qt4 -F/opt/local/libexec/qt4/Library/Frameworks
 -F/opt/local/libexec/qt4/lib -L/opt/local/libexec/qt4/lib -framework
 QtScript -F/opt/local/Library/Frameworks -framework QtCore -framework
 QtXml -framework QtGui -framework QtDesigner
 ld: library not found for -lqscintilla2_qt4
 }}}

 The build folder does contain `Qt4Qt5/libqscintilla2_qt4.13.0.0.dylib`,
 but probably a symlink from `Qt4Qt5/libqscintilla2_qt4.dylib` is missing.
 The library name is also super strange and looks like "someone forgot to
 run `install_name_tool`":

 {{{
 > otool -L /opt/local/libexec/qt4/lib/libqscintilla2_qt4.13.0.0.dylib
 /opt/local/libexec/qt4/lib/libqscintilla2_qt4.13.0.0.dylib:
         libqscintilla2_qt4.13.0.0.dylib (compatibility version 13.0.0,
 current version 13.0.0)
 /opt/local/libexec/qt4/Library/Frameworks/QtGui.framework/Versions/4/QtGui
 (compatibility version 4.8.0, current version 4.8.7)
 /opt/local/libexec/qt4/Library/Frameworks/QtCore.framework/Versions/4/QtCore
 (compatibility version 4.8.0, current version 4.8.7)
         /opt/local/lib/libgcc/libstdc++.6.dylib (compatibility version
 7.0.0, current version 7.22.0)
         /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
 version 159.1.0)
 }}}

--
Ticket URL: <https://trac.macports.org/ticket/53625#comment:9>
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