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warning suppression for gcc

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[SVN r18273]
This commit is contained in:
John Maddock
2003-04-17 11:20:13 +00:00
parent f9b5fa44f4
commit 002c331fdb
2 changed files with 26 additions and 5 deletions
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19
include/boost/type_traits/is_enum.hpp
View File

@ -15,6 +15,9 @@
#include "boost/type_traits/is_arithmetic.hpp"
#include "boost/type_traits/is_reference.hpp"
#include "boost/type_traits/is_convertible.hpp"
#ifdef __GNUC__
#include <boost/type_traits/is_function.hpp>
#endif
#include "boost/type_traits/config.hpp"
#ifdef BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION
@ -68,9 +71,19 @@ template <typename T> struct is_enum_impl
// We MUST do this on conforming compilers in order to
// correctly deduce that noncopyable types are not enums (dwa
// 2002/04/15)...
// strictly speaking is_convertible should work with non-copyable
// types rendering this fix unnecessary - unfortunately this is not
// the case for all compilers yet (JM 2003/04/16)...
, ::boost::is_class<T>::value
>::value));
#else
#elif defined __GNUC__
BOOST_STATIC_CONSTANT(bool, selector =
(::boost::type_traits::ice_or<
::boost::is_arithmetic<T>::value
, ::boost::is_reference<T>::value
, ::boost::is_function<T>::value
>::value));
#else
BOOST_STATIC_CONSTANT(bool, selector =
(::boost::type_traits::ice_or<
::boost::is_arithmetic<T>::value
@ -91,10 +104,6 @@ template <typename T> struct is_enum_impl
BOOST_STATIC_CONSTANT(bool, value = helper::value);
};
// Specializations suppress some nasty warnings with GCC
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_enum,float,false)
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_enum,double,false)
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_enum,long double,false)
// these help on compilers with no partial specialization support:
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_enum,void,false)
#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS

12
include/boost/type_traits/is_union.hpp
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@ -21,11 +21,23 @@
namespace boost {
namespace detail {
#ifndef __GNUC__
template <typename T> struct is_union_impl
{
typedef typename remove_cv<T>::type cvt;
BOOST_STATIC_CONSTANT(bool, value = BOOST_IS_UNION(cvt));
};
#else
//
// using remove_cv here generates a whole load of needless
// warnings with gcc, since it doesn't do any good with gcc
// in any case (at least at present), just remove it:
//
template <typename T> struct is_union_impl
{
BOOST_STATIC_CONSTANT(bool, value = BOOST_IS_UNION(cvt));
};
#endif
} // namespace detail
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_union,T,::boost::detail::is_union_impl<T>::value)