From: SourceForge.net (noreply_at_[hidden])
Date: 2005-10-25 07:52:28
Bugs item #1337412, was opened at 2005-10-25 05:52
Message generated for change (Tracker Item Submitted) made by Item Submitter
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Category: serialization
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Robert Ramey (ramey)
Summary: Compiler warning with gcc on Linux
Initial Comment:
I get the following warning compiling on Linux with
gcc. No mater what I do I can't seem to get around the
warning. Any ideas? Thanks!
g++ -c -pipe -Wall -W -g -fPIC
-I/usr/lib/qt-3.1/mkspecs/default -I. -I. -Iinclude
-Isrc -I../ccbus -I/usr/lib/qt-3.1/include -I.ui/
-I.moc/ -o .obj/TraderButtonKey.o src/TraderButtonKey.cpp
/usr/include/boost/archive/detail/common_iarchive.hpp:
In member function `void
boost::archive::detail::common_iarchive<Archive>::init()
[with Archive =
boost::archive::text_iarchive]':
/usr/include/boost/archive/text_iarchive.hpp:69:
instantiated from
`boost::archive::text_iarchive_impl<Archive>::text_iarchive_impl(std::istream&,
unsigned int) [with Archive =
boost::archive::text_iarchive]'
/usr/include/boost/archive/text_iarchive.hpp:82:
instantiated from here
/usr/include/boost/archive/detail/common_iarchive.hpp:75:
warning: choosing `
boost::archive::version_type::operator unsigned
int&()' over `
boost::archive::version_type::operator unsigned
int() const'
/usr/include/boost/archive/detail/common_iarchive.hpp:75:
warning: for
conversion from `boost::archive::version_type' to
`unsigned int'
/usr/include/boost/archive/detail/common_iarchive.hpp:75:
warning: because
conversion sequence for the argument is better
Code fragment:
class TraderButtonKey
{
public:
//! Default constructor.
TraderButtonKey( ) : m_cls(0), m_number(0) {}
//! Constructor.
//!
//! \param cls the class
//! \param number the number
TraderButtonKey( int cls, int number ) :
m_cls(cls), m_number(number) {}
...
private:
//! Required by the boost C++ libraries to provide
serialization to
//! and from the archive.
//!
//! \param ar archive to
save/load object members
//! \param version boost class version
template<class Archive> void serialize( Archive &
ar, const unsigned int version )
{
if (version) // gets rid of unused parameter
warning
;
ar & m_cls;
ar & m_number;
}
int m_cls; //!< class of
the key
int m_number; //!< number
within that class
};
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