Re: [Boost-bugs] [Boost C++ Libraries] #4199: Sun Studio compilation of sp_typeinfo.hpp

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #4199: Sun Studio compilation of sp_typeinfo.hpp
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-08-29 10:04:33

#4199: Sun Studio compilation of sp_typeinfo.hpp
--------------------------------------+-------------------------------------
  Reporter:  nstewart@…               |       Owner:  pdimov                       
      Type:  Patches                  |      Status:  reopened                     
 Milestone:  Boost 1.44.0             |   Component:  smart_ptr                    
   Version:  Boost Development Trunk  |    Severity:  Showstopper                  
Resolution:                           |    Keywords:  SunPro,sp_typeinfo,Sun Studio
--------------------------------------+-------------------------------------
Changes (by tobias.loew):

  * status:  closed => reopened
  * resolution:  fixed =>

Comment:

 After the change the following code doesn't compile anymore on my VC 9
 compiler:


 {{{
 #define BOOST_NO_TYPEID

 #include <boost/smart_ptr.hpp>
 #include <boost/make_shared.hpp>

 struct test {
     test(){}
     int i;
 };

 int main(int argc, char* argv[])
 {
     boost::shared_ptr<test> spt = boost::make_shared<test>();
     return 0;
 }
 }}}

 the error message is:
 boost/detail/sp_typeinfo.hpp(77) : error C2440: 'Initialisierung': 'const
 char *' kann nicht in 'boost::detail::sp_typeinfo' konvertiert werden
 (in english: 'const char *' cannot be converted to
 'boost::detail::sp_typeinfo')

 Before the change the line in sp_typeinfo.hpp(77) was:

 template<class T> sp_typeinfo sp_typeid< T >::ti_( sp_typeid< T >::name()
 );

 so, the explicit-marked ctor was called.
 Afterwards it changed to

 template<class T> sp_typeinfo sp_typeid< T >::ti_ = sp_typeid< T
 >::name();

 so the with "explicit" marked ctor of sp_typeid< T > can't be called
 anymore.

 I suggest protecting the change with some compiler/platform-detection
 macro for the Sun Studio

 Tobias

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/4199#comment:4>
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