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Diffstat (limited to 'contrib/src/boost/config/compiler/xlcpp.hpp')
-rw-r--r-- | contrib/src/boost/config/compiler/xlcpp.hpp | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/contrib/src/boost/config/compiler/xlcpp.hpp b/contrib/src/boost/config/compiler/xlcpp.hpp new file mode 100644 index 0000000..e369ece --- /dev/null +++ b/contrib/src/boost/config/compiler/xlcpp.hpp @@ -0,0 +1,258 @@ +// (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. + +// compiler setup for IBM XL C/C++ for Linux (Little Endian) based on clang. + +#define BOOST_HAS_PRAGMA_ONCE + +// Detecting `-fms-extension` compiler flag assuming that _MSC_VER defined when that flag is used. +#if defined (_MSC_VER) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 4)) +# define BOOST_HAS_PRAGMA_DETECT_MISMATCH +#endif + +// When compiling with clang before __has_extension was defined, +// even if one writes 'defined(__has_extension) && __has_extension(xxx)', +// clang reports a compiler error. So the only workaround found is: + +#ifndef __has_extension +#define __has_extension __has_feature +#endif + +#if !__has_feature(cxx_exceptions) && !defined(BOOST_NO_EXCEPTIONS) +# define BOOST_NO_EXCEPTIONS +#endif + +#if !__has_feature(cxx_rtti) && !defined(BOOST_NO_RTTI) +# define BOOST_NO_RTTI +#endif + +#if !__has_feature(cxx_rtti) && !defined(BOOST_NO_TYPEID) +# define BOOST_NO_TYPEID +#endif + +#if defined(__int64) && !defined(__GNUC__) +# define BOOST_HAS_MS_INT64 +#endif + +#define BOOST_HAS_NRVO + +// Branch prediction hints +#if defined(__has_builtin) +#if __has_builtin(__builtin_expect) +#define BOOST_LIKELY(x) __builtin_expect(x, 1) +#define BOOST_UNLIKELY(x) __builtin_expect(x, 0) +#endif +#endif + +// Clang supports "long long" in all compilation modes. +#define BOOST_HAS_LONG_LONG + +// +// Dynamic shared object (DSO) and dynamic-link library (DLL) support +// +#if !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32) +# define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default"))) +# define BOOST_SYMBOL_IMPORT +# define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default"))) +#endif + +// +// The BOOST_FALLTHROUGH macro can be used to annotate implicit fall-through +// between switch labels. +// +#if __cplusplus >= 201103L && defined(__has_warning) +# if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough") +# define BOOST_FALLTHROUGH [[clang::fallthrough]] +# endif +#endif + +#if !__has_feature(cxx_auto_type) +# define BOOST_NO_CXX11_AUTO_DECLARATIONS +# define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS +#endif + +// +// Currently clang on Windows using VC++ RTL does not support C++11's char16_t or char32_t +// +#if defined(_MSC_VER) || !(defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L) +# define BOOST_NO_CXX11_CHAR16_T +# define BOOST_NO_CXX11_CHAR32_T +#endif + +#if !__has_feature(cxx_constexpr) +# define BOOST_NO_CXX11_CONSTEXPR +#endif + +#if !__has_feature(cxx_decltype) +# define BOOST_NO_CXX11_DECLTYPE +#endif + +#if !__has_feature(cxx_decltype_incomplete_return_types) +# define BOOST_NO_CXX11_DECLTYPE_N3276 +#endif + +#if !__has_feature(cxx_defaulted_functions) +# define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS +#endif + +#if !__has_feature(cxx_deleted_functions) +# define BOOST_NO_CXX11_DELETED_FUNCTIONS +#endif + +#if !__has_feature(cxx_explicit_conversions) +# define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS +#endif + +#if !__has_feature(cxx_default_function_template_args) +# define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS +#endif + +#if !__has_feature(cxx_generalized_initializers) +# define BOOST_NO_CXX11_HDR_INITIALIZER_LIST +#endif + +#if !__has_feature(cxx_lambdas) +# define BOOST_NO_CXX11_LAMBDAS +#endif + +#if !__has_feature(cxx_local_type_template_args) +# define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS +#endif + +#if !__has_feature(cxx_noexcept) +# define BOOST_NO_CXX11_NOEXCEPT +#endif + +#if !__has_feature(cxx_nullptr) +# define BOOST_NO_CXX11_NULLPTR +#endif + +#if !__has_feature(cxx_range_for) +# define BOOST_NO_CXX11_RANGE_BASED_FOR +#endif + +#if !__has_feature(cxx_raw_string_literals) +# define BOOST_NO_CXX11_RAW_LITERALS +#endif + +#if !__has_feature(cxx_reference_qualified_functions) +# define BOOST_NO_CXX11_REF_QUALIFIERS +#endif + +#if !__has_feature(cxx_generalized_initializers) +# define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX +#endif + +#if !__has_feature(cxx_rvalue_references) +# define BOOST_NO_CXX11_RVALUE_REFERENCES +#endif + +#if !__has_feature(cxx_strong_enums) +# define BOOST_NO_CXX11_SCOPED_ENUMS +#endif + +#if !__has_feature(cxx_static_assert) +# define BOOST_NO_CXX11_STATIC_ASSERT +#endif + +#if !__has_feature(cxx_alias_templates) +# define BOOST_NO_CXX11_TEMPLATE_ALIASES +#endif + +#if !__has_feature(cxx_unicode_literals) +# define BOOST_NO_CXX11_UNICODE_LITERALS +#endif + +#if !__has_feature(cxx_variadic_templates) +# define BOOST_NO_CXX11_VARIADIC_TEMPLATES +#endif + +#if !__has_feature(cxx_user_literals) +# define BOOST_NO_CXX11_USER_DEFINED_LITERALS +#endif + +#if !__has_feature(cxx_alignas) +# define BOOST_NO_CXX11_ALIGNAS +#endif + +#if !__has_feature(cxx_trailing_return) +# define BOOST_NO_CXX11_TRAILING_RESULT_TYPES +#endif + +#if !__has_feature(cxx_inline_namespaces) +# define BOOST_NO_CXX11_INLINE_NAMESPACES +#endif + +#if !__has_feature(cxx_override_control) +# define BOOST_NO_CXX11_FINAL +#endif + +#if !(__has_feature(__cxx_binary_literals__) || __has_extension(__cxx_binary_literals__)) +# define BOOST_NO_CXX14_BINARY_LITERALS +#endif + +#if !__has_feature(__cxx_decltype_auto__) +# define BOOST_NO_CXX14_DECLTYPE_AUTO +#endif + +#if !__has_feature(__cxx_aggregate_nsdmi__) +# define BOOST_NO_CXX14_AGGREGATE_NSDMI +#endif + +#if !__has_feature(__cxx_init_captures__) +# define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES +#endif + +#if !__has_feature(__cxx_generic_lambdas__) +# define BOOST_NO_CXX14_GENERIC_LAMBDAS +#endif + +// clang < 3.5 has a defect with dependent type, like following. +// +// template <class T> +// constexpr typename enable_if<pred<T> >::type foo(T &) +// { } // error: no return statement in constexpr function +// +// This issue also affects C++11 mode, but C++11 constexpr requires return stmt. +// Therefore we don't care such case. +// +// Note that we can't check Clang version directly as the numbering system changes depending who's +// creating the Clang release (see https://github.com/boostorg/config/pull/39#issuecomment-59927873) +// so instead verify that we have a feature that was introduced at the same time as working C++14 +// constexpr (generic lambda's in this case): +// +#if !__has_feature(__cxx_generic_lambdas__) || !__has_feature(__cxx_relaxed_constexpr__) +# define BOOST_NO_CXX14_CONSTEXPR +#endif + +#if !__has_feature(__cxx_return_type_deduction__) +# define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION +#endif + +#if !__has_feature(__cxx_variable_templates__) +# define BOOST_NO_CXX14_VARIABLE_TEMPLATES +#endif + +#if __cplusplus < 201400 +// All versions with __cplusplus above this value seem to support this: +# define BOOST_NO_CXX14_DIGIT_SEPARATORS +#endif + + +// Unused attribute: +#if defined(__GNUC__) && (__GNUC__ >= 4) +# define BOOST_ATTRIBUTE_UNUSED __attribute__((unused)) +#endif + +#ifndef BOOST_COMPILER +# define BOOST_COMPILER "Clang version " __clang_version__ +#endif + +// Macro used to identify the Clang compiler. +#define BOOST_CLANG 1 + |