// Boost config.hpp configuration header file ------------------------------//
-// (C) Copyright Boost.org 2001. Permission to copy, use, modify, sell and
-// distribute this software is granted provided this copyright notice appears
-// in all copies. This software is provided "as is" without express or implied
-// warranty, and with no claim as to its suitability for any purpose.
+// (C) Copyright John Maddock 2001 - 2003.
+// (C) Copyright Darin Adler 2001.
+// (C) Copyright Peter Dimov 2001.
+// (C) Copyright Bill Kempf 2002.
+// (C) Copyright Jens Maurer 2002.
+// (C) Copyright David Abrahams 2002 - 2003.
+// (C) Copyright Gennaro Prota 2003.
+// (C) Copyright Eric Friedman 2003.
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
#ifndef BOOST_CONFIG_SUFFIX_HPP
#define BOOST_CONFIG_SUFFIX_HPP
-# ifndef BOOST_DECL
-# define BOOST_DECL // default for compilers not needing this decoration.
-# endif
-
//
// look for long long by looking for the appropriate macros in <limits.h>.
// Note that we use limits.h rather than climits for maximal portability,
//
#include <limits.h>
# if !defined(BOOST_HAS_LONG_LONG) \
- && !(defined(BOOST_MSVC) && BOOST_MSVC <=1300) && !defined(__BORLANDC__) \
+ && !defined(BOOST_MSVC) && !defined(__BORLANDC__) \
&& (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
# define BOOST_HAS_LONG_LONG
#endif
-#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_INTEGRAL_INT64_T)
+
+// TODO: Remove the following lines after the 1.33 release because the presence
+// of an integral 64 bit type has nothing to do with support for long long.
+
+#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(__DECCXX_VER)
# define BOOST_NO_INTEGRAL_INT64_T
#endif
# define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
# endif
+//
+// Without partial specialization, we can't have array-type partial specialisations:
+//
+# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
+ && !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
+# define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS
+# endif
+
//
// Without partial specialization, std::iterator_traits can't work:
//
# define BOOST_NO_STD_ALLOCATOR
# endif
+//
+// without ADL support then using declarations will break ADL as well:
+//
+#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) && !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
+# define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
+#endif
+
//
// If we have a standard allocator, then we have a partial one as well:
//
# undef BOOST_HAS_THREADS
#endif
+//
+// Turn threading detail macros off if we don't (want to) use threading
+//
+#ifndef BOOST_HAS_THREADS
+# undef BOOST_HAS_PTHREADS
+# undef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+# undef BOOST_HAS_WINTHREADS
+# undef BOOST_HAS_BETHREADS
+# undef BOOST_HAS_MPTASKS
+#endif
+
//
// If the compiler claims to be C99 conformant, then it had better
// have a <stdint.h>:
# define BOOST_NO_HASH
# endif
+// BOOST_HAS_ABI_HEADERS
+// This macro gets set if we have headers that fix the ABI,
+// and prevent ODR violations when linking to external libraries:
+#if defined(BOOST_ABI_PREFIX) && defined(BOOST_ABI_SUFFIX) && !defined(BOOST_HAS_ABI_HEADERS)
+# define BOOST_HAS_ABI_HEADERS
+#endif
+
+#if defined(BOOST_HAS_ABI_HEADERS) && defined(BOOST_DISABLE_ABI_HEADERS)
+# undef BOOST_HAS_ABI_HEADERS
+#endif
+
// BOOST_NO_STDC_NAMESPACE workaround --------------------------------------//
// Because std::size_t usage is so common, even in boost headers which do not
// otherwise use the C library, the <cstddef> workaround is included here so
// that ugly workaround code need not appear in many other boost headers.
-// NOTE WELL: This is a workaround for non-conforming compilers; <cstddef>
+// NOTE WELL: This is a workaround for non-conforming compilers; <cstddef>
// must still be #included in the usual places so that <cstddef> inclusion
// works as expected with standard conforming compilers. The resulting
// double inclusion of <cstddef> is harmless.
namespace std { using ::ptrdiff_t; using ::size_t; }
# endif
+// Workaround for the unfortunate min/max macros defined by some platform headers
+
+#define BOOST_PREVENT_MACRO_SUBSTITUTION
+
+#ifndef BOOST_USING_STD_MIN
+# define BOOST_USING_STD_MIN() using std::min
+#endif
+
+#ifndef BOOST_USING_STD_MAX
+# define BOOST_USING_STD_MAX() using std::max
+#endif
+
// BOOST_NO_STD_MIN_MAX workaround -----------------------------------------//
# ifdef BOOST_NO_STD_MIN_MAX
namespace std {
template <class _Tp>
- inline const _Tp& min(const _Tp& __a, const _Tp& __b) {
+ inline const _Tp& min BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {
return __b < __a ? __b : __a;
}
template <class _Tp>
- inline const _Tp& max(const _Tp& __a, const _Tp& __b) {
+ inline const _Tp& max BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {
return __a < __b ? __b : __a;
}
}
# define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
# endif
-// BOOST_USE_FACET workaround ----------------------------------------------//
+// BOOST_USE_FACET / HAS_FACET workaround ----------------------------------//
// When the standard library does not have a conforming std::use_facet there
// are various workarounds available, but they differ from library to library.
-// This macro provides a consistent way to access a locale's facets.
+// The same problem occurs with has_facet.
+// These macros provide a consistent way to access a locale's facets.
// Usage:
// replace
// std::use_facet<Type>(loc);
// with
// BOOST_USE_FACET(Type, loc);
// Note do not add a std:: prefix to the front of BOOST_USE_FACET!
+// Use for BOOST_HAS_FACET is analagous.
#if defined(BOOST_NO_STD_USE_FACET)
# ifdef BOOST_HAS_TWO_ARG_USE_FACET
# define BOOST_USE_FACET(Type, loc) std::use_facet(loc, static_cast<Type*>(0))
+# define BOOST_HAS_FACET(Type, loc) std::has_facet(loc, static_cast<Type*>(0))
# elif defined(BOOST_HAS_MACRO_USE_FACET)
# define BOOST_USE_FACET(Type, loc) std::_USE(loc, Type)
+# define BOOST_HAS_FACET(Type, loc) std::_HAS(loc, Type)
# elif defined(BOOST_HAS_STLP_USE_FACET)
# define BOOST_USE_FACET(Type, loc) (*std::_Use_facet<Type >(loc))
+# define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)
# endif
#else
# define BOOST_USE_FACET(Type, loc) std::use_facet< Type >(loc)
+# define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)
#endif
// BOOST_NESTED_TEMPLATE workaround ------------------------------------------//
# define BOOST_NESTED_TEMPLATE
#endif
+// BOOST_UNREACHABLE_RETURN(x) workaround -------------------------------------//
+// Normally evaluates to nothing, unless BOOST_NO_UNREACHABLE_RETURN_DETECTION
+// is defined, in which case it evaluates to return x; Use when you have a return
+// statement that can never be reached.
+
+#ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION
+# define BOOST_UNREACHABLE_RETURN(x) return x;
+#else
+# define BOOST_UNREACHABLE_RETURN(x)
+#endif
+
+// BOOST_DEDUCED_TYPENAME workaround ------------------------------------------//
+//
+// Some compilers don't support the use of `typename' for dependent
+// types in deduced contexts, e.g.
+//
+// template <class T> void f(T, typename T::type);
+// ^^^^^^^^
+// Replace these declarations with:
+//
+// template <class T> void f(T, BOOST_DEDUCED_TYPENAME T::type);
+
+#ifndef BOOST_NO_DEDUCED_TYPENAME
+# define BOOST_DEDUCED_TYPENAME typename
+#else
+# define BOOST_DEDUCED_TYPENAME
+#endif
+
+// long long workaround ------------------------------------------//
+// On gcc (and maybe other compilers?) long long is alway supported
+// but it's use may generate either warnings (with -ansi), or errors
+// (with -pedantic -ansi) unless it's use is prefixed by __extension__
+//
+#if defined(BOOST_HAS_LONG_LONG)
+namespace boost{
+# ifdef __GNUC__
+ __extension__ typedef long long long_long_type;
+ __extension__ typedef unsigned long long ulong_long_type;
+# else
+ typedef long long long_long_type;
+ typedef unsigned long long ulong_long_type;
+# endif
+}
+#endif
+
+// BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------//
+//
+// Some compilers have problems with function templates whose
+// template parameters don't appear in the function parameter
+// list (basically they just link one instantiation of the
+// template in the final executable). These macros provide a
+// uniform way to cope with the problem with no effects on the
+// calling syntax.
+
+// Example:
+//
+// #include <iostream>
+// #include <ostream>
+// #include <typeinfo>
+//
+// template <int n>
+// void f() { std::cout << n << ' '; }
+//
+// template <typename T>
+// void g() { std::cout << typeid(T).name() << ' '; }
+//
+// int main() {
+// f<1>();
+// f<2>();
+//
+// g<int>();
+// g<double>();
+// }
+//
+// With VC++ 6.0 the output is:
+//
+// 2 2 double double
+//
+// To fix it, write
+//
+// template <int n>
+// void f(BOOST_EXPLICIT_TEMPLATE_NON_TYPE(int, n)) { ... }
+//
+// template <typename T>
+// void g(BOOST_EXPLICIT_TEMPLATE_TYPE(T)) { ... }
+//
+
+
+#if defined BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
+
+# include "boost/type.hpp"
+# include "boost/non_type.hpp"
+
+# define BOOST_EXPLICIT_TEMPLATE_TYPE(t) boost::type<t>* = 0
+# define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t) boost::type<t>*
+# define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v) boost::non_type<t, v>* = 0
+# define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) boost::non_type<t, v>*
+
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t) \
+ , BOOST_EXPLICIT_TEMPLATE_TYPE(t)
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) \
+ , BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) \
+ , BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) \
+ , BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
+
+#else
+
+// no workaround needed: expand to nothing
+
+# define BOOST_EXPLICIT_TEMPLATE_TYPE(t)
+# define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
+# define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
+# define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
+
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t)
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
+# define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
+
+
+#endif // defined BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
+
+
// ---------------------------------------------------------------------------//
//
//
// Helper macro BOOST_JOIN:
-// The following piece of macro magic joins the two
+// The following piece of macro magic joins the two
// arguments together, even when one of the arguments is
// itself a macro (see 16.3.1 in C++ standard). The key
// is that macro expansion of macro arguments does not
#endif
+
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