/usr/include/boost/config/compiler/clang.hpp is in libboost1.49-dev 1.49.0-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | // (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)
# define BOOST_NO_RTTI
#endif
#if defined(__int64)
# define BOOST_HAS_MS_INT64
#endif
#define BOOST_HAS_NRVO
// Clang supports "long long" in all compilation modes.
#if !__has_feature(cxx_auto_type)
# define BOOST_NO_AUTO_DECLARATIONS
# define BOOST_NO_AUTO_MULTIDECLARATIONS
#endif
#if !(defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L)
# define BOOST_NO_CHAR16_T
# define BOOST_NO_CHAR32_T
#endif
#if !__has_feature(cxx_constexpr)
# define BOOST_NO_CONSTEXPR
#endif
#if !__has_feature(cxx_decltype)
# define BOOST_NO_DECLTYPE
#endif
#define BOOST_NO_DECLTYPE_N3276
#if !__has_feature(cxx_defaulted_functions)
# define BOOST_NO_DEFAULTED_FUNCTIONS
#endif
#if !__has_feature(cxx_deleted_functions)
# define BOOST_NO_DELETED_FUNCTIONS
#endif
#if !__has_feature(cxx_explicit_conversions)
# define BOOST_NO_EXPLICIT_CONVERSION_OPERATORS
#endif
#if !__has_feature(cxx_default_function_template_args)
# define BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
#endif
#if !__has_feature(cxx_generalized_initializers)
# define BOOST_NO_INITIALIZER_LISTS
#endif
#if !__has_feature(cxx_lambdas)
# define BOOST_NO_LAMBDAS
#endif
#if !__has_feature(cxx_noexcept)
# define BOOST_NO_NOEXCEPT
#endif
#if !__has_feature(cxx_nullptr)
# define BOOST_NO_NULLPTR
#endif
#if !__has_feature(cxx_raw_string_literals)
# define BOOST_NO_RAW_LITERALS
#endif
#if !__has_feature(cxx_generalized_initializers)
# define BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX
#endif
#if !__has_feature(cxx_rvalue_references)
# define BOOST_NO_RVALUE_REFERENCES
#endif
#if !__has_feature(cxx_strong_enums)
# define BOOST_NO_SCOPED_ENUMS
#endif
#if !__has_feature(cxx_static_assert)
# define BOOST_NO_STATIC_ASSERT
#endif
#if !__has_feature(cxx_alias_templates)
# define BOOST_NO_TEMPLATE_ALIASES
#endif
#if !__has_feature(cxx_unicode_literals)
# define BOOST_NO_UNICODE_LITERALS
#endif
#if !__has_feature(cxx_variadic_templates)
# define BOOST_NO_VARIADIC_TEMPLATES
#endif
// Clang always supports variadic macros
// Clang always supports extern templates
#ifndef BOOST_COMPILER
# define BOOST_COMPILER "Clang version " __clang_version__
#endif
// Macro used to identify the Clang compiler.
#define BOOST_CLANG 1
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