[Bug libstdc++/11792] New: two externs on explicit declarations

[r dot s dot a dot vandomburg at student dot utwente dot nl]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11792

           Summary: two externs on explicit declarations
           Product: gcc
           Version: 3.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libstdc++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: r dot s dot a dot vandomburg at student dot utwente dot
                    nl
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: FreeBSD/i386 5.1-CURRENT

Whilst compiling Kopete 0.6.2, gcc 3.3.1 20030711 stumles across two externs on
explicit declarations, forbidden by ISO C++:

/bin/sh ../../../../libtool --silent --mode=compile --tag=CXX c++
-DHAVE_CONFIG_H -I. -I. -I../../../..  -I.. -I/usr/local/include
-I/usr/X11R6/include  -pthread -DQT_THREAD_SUPPORT  -I/usr/local/include
-I/usr/local/include  -I/usr/X11R6/include -D_GETOPT_H -D_THREAD_SAFE 
-Wnon-virtual-dtor -Wno-long-long -Wall -pedantic -W -Wpointer-arith
-Wmissing-prototypes -Wwrite-strings -DNDEBUG -DNO_DEBUG -O2 -O -pipe
-march=pentium4 -march=pentium4 -fno-exceptions -fno-check-new -fno-common  -c
-o proxy.lo `test -f 'proxy.cpp' || echo './'`proxy.cpp
In file included from /usr/include/c++/3.3/list:68,
                 from buffer.h:48,
                 from socket.h:40,
                 from proxy.cpp:24:
/usr/include/c++/3.3/bits/stl_alloc.h:968: error: ISO C++ forbids the use of `
   extern' on explicit instantiations
/usr/include/c++/3.3/bits/stl_alloc.h:969: error: ISO C++ forbids the use of `
   extern' on explicit instantiations
/usr/include/c++/3.3/bits/stl_alloc.h:970: error: ISO C++ forbids the use of `
   extern' on explicit instantiations
/usr/include/c++/3.3/bits/stl_alloc.h:970: error: ISO C++ forbids the use of `
   extern' on explicit instantiations
/usr/include/c++/3.3/bits/stl_alloc.h:970: error: ISO C++ forbids the use of `
   extern' on explicit instantiations
In file included from /usr/include/c++/3.3/string:57,
                 from buffer.h:49,
                 from socket.h:40,
                 from proxy.cpp:24:
/usr/include/c++/3.3/bits/basic_string.tcc:1061: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1061: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1061: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1064: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1067: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1070: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1073: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1076: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1076: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1076: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1079: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1082: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1085: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
/usr/include/c++/3.3/bits/basic_string.tcc:1088: error: ISO C++ forbids the use
   of `extern' on explicit instantiations
gmake[5]: *** [proxy.lo] Error 1
gmake[5]: Leaving directory
`/usr/ports/net/kopete/work/kopete-0.6.2/kopete/protocols/icq_new/libicq'
gmake[4]: *** [all-recursive] Error 1
gmake[4]: Leaving directory
`/usr/ports/net/kopete/work/kopete-0.6.2/kopete/protocols/icq_new'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory
`/usr/ports/net/kopete/work/kopete-0.6.2/kopete/protocols'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory `/usr/ports/net/kopete/work/kopete-0.6.2/kopete'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/net/kopete/work/kopete-0.6.2'
gmake: *** [all] Error 2
*** Error code 2

Stop in /usr/ports/net/kopete.