[MacPorts] #69964: gconfmm fails to build: error: template with C linkage

[MacPorts]

#69964: gconfmm fails to build: error: template with C linkage
--------------------------+---------------------
 Reporter:  barracuda156  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.9.3
 Keywords:                |       Port:  gconfmm
--------------------------+---------------------
 {{{
 In file included from /opt/local/include/glib-2.0/glib/glib-typeof.h:43,
                  from /opt/local/include/glib-2.0/glib/gatomic.h:30,
                  from /opt/local/include/glib-2.0/glib/gthread.h:34,
                  from /opt/local/include/glib-2.0/glib/gasyncqueue.h:34,
                  from /opt/local/include/glib-2.0/glib.h:34,
                  from /opt/local/include/glib-2.0/gobject/gbinding.h:30,
                  from /opt/local/include/glib-2.0/glib-object.h:24,
                  from /opt/local/include/gconf/2/gconf/gconf-client.h:24,
                  from ../gconfmm/callback.h:27,
                  from callback.cc:22:
 /opt/local/include/gcc13/c++/type_traits:44:3: error: template with C
 linkage
    44 |   template<typename _Tp>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:61:3: error: template with C
 linkage
    61 |   template<typename _Tp, _Tp __v>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:89:3: error: template with C
 linkage
    89 |   template<bool __v>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:97:3: error: template with C
 linkage
    97 |   template<bool __v>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:105:3: error: template with C
 linkage
   105 |   template<bool, typename _Tp = void>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:110:3: error: template with C
 linkage
   110 |   template<typename _Tp>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:115:3: error: template with C
 linkage
   115 |   template<bool _Cond, typename _Tp = void>
       |   ^~~~~~~~
 ../gconfmm/callback.h:25:1: note: 'extern "C"' linkage started here
    25 | extern "C"
       | ^~~~~~~~~~
 /opt/local/include/gcc13/c++/type_traits:118:3: error: template with C
 linkage
   118 |   template<bool>
       |   ^~~~~~~~
 . . .
 }}}

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Ticket URL: <https://trac.macports.org/ticket/69964>
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