[Boost-bugs] [Boost C++ Libraries] #6287: hardcoded fwd declarations don't work for gcc configured withor --enable-symvers=gnu-versioned-namespace

Subject: [Boost-bugs] [Boost C++ Libraries] #6287: hardcoded fwd declarations don't work for gcc configured withor --enable-symvers=gnu-versioned-namespace
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-12-17 21:58:32

#6287: hardcoded fwd declarations don't work for gcc configured withor --enable-
symvers=gnu-versioned-namespace
------------------------------+---------------------------------------------
 Reporter:  pluto@…           |       Owner:  igaztanaga  
     Type:  Bugs              |      Status:  new         
Milestone:  To Be Determined  |   Component:  interprocess
  Version:  Boost 1.48.0      |    Severity:  Showstopper 
 Keywords:                    |  
------------------------------+---------------------------------------------
 hi,

 the --enable-symvers=gnu-versioned-namespace gcc's configure option
 introduces a new versioned std::__7:: namespace and all these hardcoded
 std:: forward declarations won't work.


 {{{
 #include <boost/interprocess/interprocess_fwd.hpp>
 #include <utility>
 int main()
 {
 Â Â Â Â std::pair< int, int > p;
 }
 }}}


 $ /local/devel/toolchain46/x86_64-gnu-linux.host64/bin/x86_64-gnu-
 linux-g++
 t.cpp -c -isystem /usr/include

 t.cpp: In function 'int main()':
 t.cpp:5:2: error: reference to 'pair' is ambiguous
 /usr/include/boost/interprocess/interprocess_fwd.hpp:47:8: error:
 candidates
 are: template<class T1, class T2> struct std::pair
 /local/devel/toolchain46/x86_64-gnu-linux.host64/lib64/gcc/x86_64-gnu-
 linux/4.6.3/../../../../x86_64-gnu-
 linux/include/c++/4.6.3/bits/stl_pair.h:87:12: error:
 template<class _T1, class _T2> struct std::__7::pair
 t.cpp:5:13: error: expected primary-expression before 'int'
 t.cpp:5:13: error: expected ';' before 'int'

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6287>
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