[MacPorts] #34605: kdelibs4 @4.8.2_0 __KDE_HAVE_GCC_VISIBILITY not defined in <prefix>/include/kdemacros.h

[MacPorts]

#34605: kdelibs4 @4.8.2_0 __KDE_HAVE_GCC_VISIBILITY not defined in
<prefix>/include/kdemacros.h
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 Reporter:  iandw.au@…          |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.0.4                                
 Keywords:                      |        Port:  kdelibs4 @4.8.2_0                    
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 The file <prefix>/include/kdemacros.h is apparently generated by the CMake
 script <prefix>/share/apps/cmake/modules/FindKDE4Internal.cmake, where the
 KDE build tries to establish the compiler environment.  After my kdelibs4
 @4.8.2_0 install, I found that no other libraries I compiled and built
 with #include kdemacros.h could be linked to applications code (I have a
 development version of KDE Games on Apple).  The reason was that GCC
 visibility of library classes and symbols was not available, because
 kdemacros.h did not have __KDE_HAVE_GCC_VISIBILITY defined.

 Macports 2.0.4, XCode 4.2.1 and OSX 10.7.4 are giving me the symbolic link
 /usr/bin/c++ -> llvm-g++-4.2  When I force definition of
 __KDE_HAVE_GCC_VISIBILITY in my CMakeLists.txt, everything compiles and
 links OK and works fine.  So I guess llvm-g++-4.2 is a GCC-like compiler,
 but is not being recognised as such.

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Ticket URL: <https://trac.macports.org/ticket/34605>
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