// (C) Copyright Douglas Gregor 2010
//
//  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.

// Clang compiler setup.

#if __has_feature(cxx_exceptions) && !defined(BOOST_NO_EXCEPTIONS)
#else
#  define BOOST_NO_EXCEPTIONS
#endif

#if __has_feature(cxx_rtti)
#else
#  define BOOST_NO_RTTI
#endif

#if defined(__int32)
// HACK: Clang only defines the type __int32 in Microsoft-compatibility mode,
// which means that declspecs are also available
#  define BOOST_HAS_DECLSPEC
#endif

#if defined(__int64)
#  define BOOST_HAS_MS_INT64
#endif

#define BOOST_HAS_NRVO

// NOTE: Clang's C++0x support is not worth detecting. However, it
// supports both extern templates and "long long" even in C++98/03
// mode.
#define BOOST_NO_AUTO_DECLARATIONS
#define BOOST_NO_AUTO_MULTIDECLARATIONS
#define BOOST_NO_CHAR16_T
#define BOOST_NO_CHAR32_T
#define BOOST_NO_CONCEPTS
#define BOOST_NO_CONSTEXPR
#define BOOST_NO_DECLTYPE
#define BOOST_NO_DEFAULTED_FUNCTIONS
#define BOOST_NO_DELETED_FUNCTIONS
#define BOOST_NO_EXPLICIT_CONVERSION_OPERATORS
#define BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
#define BOOST_NO_INITIALIZER_LISTS
#define BOOST_NO_LAMBDAS
#define BOOST_NO_NULLPTR
#define BOOST_NO_RAW_LITERALS
#define BOOST_NO_RVALUE_REFERENCES
#define BOOST_NO_SCOPED_ENUMS
#define BOOST_NO_STATIC_ASSERT
#define BOOST_NO_TEMPLATE_ALIASES
#define BOOST_NO_UNICODE_LITERALS
#define BOOST_NO_VARIADIC_TEMPLATES

// HACK: Clang does support extern templates, but Boost's test for
// them is wrong.
#define BOOST_NO_EXTERN_TEMPLATE

// Clang version 2.0 (trunk 103769) does not yet properly 
// value-initialize objects of a pointer-to-member type,
// as was reported by Christopher Jefferson in May 2010, Bug 7139,
// "ptr to member not zeroed", http://llvm.org/bugs/show_bug.cgi?id=7139
// (Niels Dekker, LKEB, May 2010)
#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION

#ifndef BOOST_COMPILER
#  define BOOST_COMPILER "Clang version " __clang_version__
#endif