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From: "shalja.rudra at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/53173] New: PROD02
Date: Mon, 30 Apr 2012 19:02:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D53173

             Bug #: 53173
           Summary: PROD02
    Classification: Unclassified
           Product: gcc
           Version: 4.6.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: shalja.rudra@gmail.com


Hi All,

I am trying to upgrade (GCC) 4.4.0 to (GCC) 4.6.2.  I see bunch of incompat=
ible
error from code which works with (GCC) 4.4.0 but NOT with (GCC) 4.6.2.=20

The machine information is following: Linux version 2.6.32-220.el6.x86_64  =
(gcc
version 4.4.5 20110214 (Red Hat 4.4.5-6) (GCC) )=20

Encountered errors:

1. error: =E2=80=98constexpr=E2=80=99 needed for in-class initialization of=
 static data member
2. error: no matching function for call to =E2=80=98std::pair<const long un=
signed int,
boost::shared_ptr<const
3. /usr/include/sigc++-2.0/sigc++/signal.h:38:11: error: 'ptrdiff_t' does n=
ot
name a typeFix: #include <cstddef>=20
4. error: no matching function for call to =E2=80=98make_pair(std::string&,
std::string&)=E2=80=99
5. error: declaration of =E2=80=98~typename
6. error: call of overloaded =E2=80=98isnan(double&)=E2=80=99 is ambiguous

e.t.c

I  do refer https://wiki.edubuntu.org/GCC4.6 to fix some of the issue. I
rebuilt boost_1_47_0,  SQLAPI-3.7.35, etc. with (GCC) 4.6.2 as well to remo=
ve
incompatibilty between these.


I am suspicious if some of the issue is already fixed in (GCC) 4.6.3 (alrea=
dy
released). Please let me know if we can use (GCC) 4.6.3 instead of (GCC) 4.=
6.2.
Also please point  me from where we can refer to get some more information =
to
fix our code copilation and linking issue with  (GCC) 4.6.2.

Thanks