382 lines
14 KiB
C++
382 lines
14 KiB
C++
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/*
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* Copyright Andrey Semashev 2007 - 2015.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*!
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* \file config.hpp
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* \author Andrey Semashev
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* \date 08.03.2007
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*
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* \brief This header is the Boost.Log library implementation, see the library documentation
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* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html. In this file
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* internal configuration macros are defined.
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*/
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#ifndef BOOST_LOG_DETAIL_CONFIG_HPP_INCLUDED_
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#define BOOST_LOG_DETAIL_CONFIG_HPP_INCLUDED_
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// This check must be before any system headers are included, or __MSVCRT_VERSION__ may get defined to 0x0600
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#if defined(__MINGW32__) && !defined(__MSVCRT_VERSION__)
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// Target MinGW headers to at least MSVC 7.0 runtime by default. This will enable some useful functions.
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#define __MSVCRT_VERSION__ 0x0700
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#endif
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#include <boost/predef/os.h>
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// Try including WinAPI config as soon as possible so that any other headers don't include Windows SDK headers
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#if defined(BOOST_OS_WINDOWS_AVAILABLE)
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#include <boost/detail/winapi/config.hpp>
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#endif
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#include <limits.h> // To bring in libc macros
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#include <boost/config.hpp>
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// The library requires dynamic_cast in a few places
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#if defined(BOOST_NO_RTTI)
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# error Boost.Log: RTTI is required by the library
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#endif
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#if defined(_MSC_VER) && _MSC_VER >= 1600
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# define BOOST_LOG_HAS_PRAGMA_DETECT_MISMATCH
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#endif
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#if defined(BOOST_LOG_HAS_PRAGMA_DETECT_MISMATCH)
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#include <boost/preprocessor/stringize.hpp>
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#endif
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#if !defined(BOOST_WINDOWS)
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# ifndef BOOST_LOG_WITHOUT_DEBUG_OUTPUT
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# define BOOST_LOG_WITHOUT_DEBUG_OUTPUT
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# endif
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# ifndef BOOST_LOG_WITHOUT_EVENT_LOG
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# define BOOST_LOG_WITHOUT_EVENT_LOG
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# endif
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#endif
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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#if defined(BOOST_MSVC)
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// For some reason MSVC 9.0 fails to link the library if static integral constants are defined in cpp
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# define BOOST_LOG_BROKEN_STATIC_CONSTANTS_LINKAGE
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# if _MSC_VER <= 1310
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// MSVC 7.1 sometimes fails to match out-of-class template function definitions with
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// their declarations if the return type or arguments of the functions involve typename keyword
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// and depend on the template parameters.
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# define BOOST_LOG_BROKEN_TEMPLATE_DEFINITION_MATCHING
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# endif
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# if _MSC_VER <= 1400
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// Older MSVC versions reject friend declarations for class template specializations
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# define BOOST_LOG_BROKEN_FRIEND_TEMPLATE_SPECIALIZATIONS
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# endif
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# if _MSC_VER <= 1600
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// MSVC up to 10.0 attempts to invoke copy constructor when initializing a const reference from rvalue returned from a function.
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// This fails when the returned value cannot be copied (only moved):
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//
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// class base {};
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// class derived : public base { BOOST_MOVABLE_BUT_NOT_COPYABLE(derived) };
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// derived foo();
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// base const& var = foo(); // attempts to call copy constructor of derived
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# define BOOST_LOG_BROKEN_REFERENCE_FROM_RVALUE_INIT
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# endif
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# if !defined(_STLPORT_VERSION)
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// MSVC 9.0 mandates packaging of STL classes, which apparently affects alignment and
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// makes alignment_of< T >::value no longer be a power of 2 for types that derive from STL classes.
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// This breaks type_with_alignment and everything that relies on it.
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// This doesn't happen with non-native STLs, such as STLPort. Strangely, this doesn't show with
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// STL classes themselves or most of the user-defined derived classes.
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// Not sure if that happens with other MSVC versions.
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// See: http://svn.boost.org/trac/boost/ticket/1946
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# define BOOST_LOG_BROKEN_STL_ALIGNMENT
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# endif
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#endif
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#if defined(BOOST_INTEL) || defined(__SUNPRO_CC)
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// Intel compiler and Sun Studio 12.3 have problems with friend declarations for nested class templates
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# define BOOST_LOG_NO_MEMBER_TEMPLATE_FRIENDS
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#endif
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#if defined(BOOST_MSVC) && BOOST_MSVC <= 1600
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// MSVC cannot interpret constant expressions in certain contexts, such as non-type template parameters
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# define BOOST_LOG_BROKEN_CONSTANT_EXPRESSIONS
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#endif
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#if defined(BOOST_NO_CXX11_HDR_CODECVT)
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// The compiler does not support std::codecvt<char16_t> and std::codecvt<char32_t> specializations.
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// The BOOST_NO_CXX11_HDR_CODECVT means there's no usable <codecvt>, which is slightly different from this macro.
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// But in order for <codecvt> to be implemented the std::codecvt specializations have to be implemented as well.
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# define BOOST_LOG_NO_CXX11_CODECVT_FACETS
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#endif
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#if defined(__CYGWIN__)
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// Boost.ASIO is broken on Cygwin
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# define BOOST_LOG_NO_ASIO
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#endif
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#if !defined(BOOST_LOG_USE_NATIVE_SYSLOG) && defined(BOOST_LOG_NO_ASIO)
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# ifndef BOOST_LOG_WITHOUT_SYSLOG
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# define BOOST_LOG_WITHOUT_SYSLOG
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# endif
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#endif
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#if defined(__GNUC__) && (__GNUC__ == 4 && __GNUC_MINOR__ <= 2)
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// GCC 4.1 and 4.2 have buggy anonymous namespaces support, which interferes with symbol linkage
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# define BOOST_LOG_ANONYMOUS_NAMESPACE namespace anonymous {} using namespace anonymous; namespace anonymous
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#else
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# define BOOST_LOG_ANONYMOUS_NAMESPACE namespace
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#endif
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#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || (defined(__GNUC__) && (__GNUC__ == 4 && __GNUC_MINOR__ <= 6))
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// GCC up to 4.6 (inclusively) did not support expanding template argument packs into non-variadic template arguments
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#define BOOST_LOG_NO_CXX11_ARG_PACKS_TO_NON_VARIADIC_ARGS_EXPANSION
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#endif
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#if defined(BOOST_NO_CXX11_CONSTEXPR) || (defined(BOOST_GCC) && ((BOOST_GCC+0) / 100) <= 406)
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// GCC 4.6 does not support in-class brace initializers for static constexpr array members
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#define BOOST_LOG_NO_CXX11_CONSTEXPR_DATA_MEMBER_BRACE_INITIALIZERS
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#endif
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#if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || (defined(BOOST_GCC) && ((BOOST_GCC+0) / 100) <= 406)
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// GCC 4.6 cannot handle a defaulted function with noexcept specifier
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#define BOOST_LOG_NO_CXX11_DEFAULTED_NOEXCEPT_FUNCTIONS
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#endif
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#if defined(_MSC_VER)
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# define BOOST_LOG_NO_VTABLE __declspec(novtable)
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#elif defined(__GNUC__)
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# define BOOST_LOG_NO_VTABLE
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#else
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# define BOOST_LOG_NO_VTABLE
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#endif
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// An MS-like compilers' extension that allows to optimize away the needless code
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#if defined(_MSC_VER)
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# define BOOST_LOG_ASSUME(expr) __assume(expr)
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#else
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# define BOOST_LOG_ASSUME(expr)
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#endif
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// The statement marking unreachable branches of code to avoid warnings
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#if defined(BOOST_CLANG)
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# if __has_builtin(__builtin_unreachable)
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# define BOOST_LOG_UNREACHABLE() __builtin_unreachable()
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# endif
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#elif defined(__GNUC__)
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# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
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# define BOOST_LOG_UNREACHABLE() __builtin_unreachable()
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# endif
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#elif defined(_MSC_VER)
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# define BOOST_LOG_UNREACHABLE() __assume(0)
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#endif
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#if !defined(BOOST_LOG_UNREACHABLE)
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# define BOOST_LOG_UNREACHABLE()
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# define BOOST_LOG_UNREACHABLE_RETURN(r) return r
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#else
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# define BOOST_LOG_UNREACHABLE_RETURN(r) BOOST_LOG_UNREACHABLE()
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#endif
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// The macro efficiently returns a local lvalue from a function.
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// It employs NRVO, if supported by compiler, or uses a move constructor otherwise.
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#if defined(BOOST_HAS_NRVO)
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#define BOOST_LOG_NRVO_RESULT(x) x
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#else
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#define BOOST_LOG_NRVO_RESULT(x) boost::move(x)
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#endif
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// Some compilers support a special attribute that shows that a function won't return
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#if defined(__GNUC__) || (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x590)
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// GCC and Sun Studio 12 support attribute syntax
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# define BOOST_LOG_NORETURN __attribute__((noreturn))
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#elif defined (_MSC_VER)
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// Microsoft-compatible compilers go here
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# define BOOST_LOG_NORETURN __declspec(noreturn)
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#else
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// The rest compilers might emit bogus warnings about missing return statements
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// in functions with non-void return types when throw_exception is used.
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# define BOOST_LOG_NORETURN
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#endif
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// GCC and compatible compilers may require marking types that may alias other types
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#if defined(__GNUC__)
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# define BOOST_LOG_MAY_ALIAS __attribute__ ((__may_alias__))
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#else
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# define BOOST_LOG_MAY_ALIAS
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#endif
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#if !defined(BOOST_LOG_BUILDING_THE_LIB)
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// Detect if we're dealing with dll
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# if defined(BOOST_LOG_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
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# define BOOST_LOG_DLL
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# endif
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# if defined(BOOST_LOG_DLL)
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# define BOOST_LOG_API BOOST_SYMBOL_IMPORT
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# else
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# define BOOST_LOG_API
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# endif
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//
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// Automatically link to the correct build variant where possible.
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//
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# if !defined(BOOST_ALL_NO_LIB)
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# if !defined(BOOST_LOG_NO_LIB)
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# define BOOST_LIB_NAME boost_log
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# if defined(BOOST_LOG_DLL)
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# define BOOST_DYN_LINK
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# endif
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# include <boost/config/auto_link.hpp>
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# endif
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// In static-library builds compilers ignore auto-link comments from Boost.Log binary to
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// other Boost libraries. We explicitly add comments here for other libraries.
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// In dynamic-library builds this is not needed.
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# if !defined(BOOST_LOG_DLL)
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# include <boost/system/config.hpp>
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# include <boost/filesystem/config.hpp>
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# if !defined(BOOST_DATE_TIME_NO_LIB) && !defined(BOOST_DATE_TIME_SOURCE)
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# define BOOST_LIB_NAME boost_date_time
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# if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_DATE_TIME_DYN_LINK)
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# define BOOST_DYN_LINK
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# endif
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# include <boost/config/auto_link.hpp>
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# endif
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// Boost.Thread's config is included below, if needed
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# endif
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# endif // auto-linking disabled
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#else // !defined(BOOST_LOG_BUILDING_THE_LIB)
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# if defined(BOOST_LOG_DLL)
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# define BOOST_LOG_API BOOST_SYMBOL_EXPORT
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# else
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# define BOOST_LOG_API BOOST_SYMBOL_VISIBLE
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# endif
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#endif // !defined(BOOST_LOG_BUILDING_THE_LIB)
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// By default we provide support for both char and wchar_t
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#if !defined(BOOST_LOG_WITHOUT_CHAR)
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# define BOOST_LOG_USE_CHAR
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#endif
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#if !defined(BOOST_LOG_WITHOUT_WCHAR_T)
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# define BOOST_LOG_USE_WCHAR_T
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#endif
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#if !defined(BOOST_LOG_DOXYGEN_PASS)
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// Check if multithreading is supported
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# if !defined(BOOST_LOG_NO_THREADS) && !defined(BOOST_HAS_THREADS)
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# define BOOST_LOG_NO_THREADS
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# endif // !defined(BOOST_LOG_NO_THREADS) && !defined(BOOST_HAS_THREADS)
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#endif // !defined(BOOST_LOG_DOXYGEN_PASS)
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#if !defined(BOOST_LOG_NO_THREADS)
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// We need this header to (i) enable auto-linking with Boost.Thread and
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// (ii) to bring in configuration macros of Boost.Thread.
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# include <boost/thread/detail/config.hpp>
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#endif // !defined(BOOST_LOG_NO_THREADS)
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#if !defined(BOOST_LOG_NO_THREADS)
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# define BOOST_LOG_EXPR_IF_MT(expr) expr
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#else
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# undef BOOST_LOG_USE_COMPILER_TLS
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# define BOOST_LOG_EXPR_IF_MT(expr)
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#endif // !defined(BOOST_LOG_NO_THREADS)
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#if defined(BOOST_LOG_USE_COMPILER_TLS)
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# if defined(__GNUC__) || defined(__SUNPRO_CC)
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# define BOOST_LOG_TLS __thread
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# elif defined(BOOST_MSVC)
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# define BOOST_LOG_TLS __declspec(thread)
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# else
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# undef BOOST_LOG_USE_COMPILER_TLS
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# endif
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#endif // defined(BOOST_LOG_USE_COMPILER_TLS)
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#ifndef BOOST_LOG_CPU_CACHE_LINE_SIZE
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//! The macro defines the CPU cache line size for the target architecture. This is mostly used for optimization.
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#define BOOST_LOG_CPU_CACHE_LINE_SIZE 64
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#endif
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namespace boost {
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// Setup namespace name
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#if !defined(BOOST_LOG_DOXYGEN_PASS)
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# if defined(BOOST_LOG_DLL)
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# if defined(BOOST_LOG_NO_THREADS)
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# define BOOST_LOG_VERSION_NAMESPACE v2_st
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# else
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# if defined(BOOST_THREAD_PLATFORM_PTHREAD)
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# define BOOST_LOG_VERSION_NAMESPACE v2_mt_posix
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# elif defined(BOOST_THREAD_PLATFORM_WIN32)
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# if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
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# define BOOST_LOG_VERSION_NAMESPACE v2_mt_nt6
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# else
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# define BOOST_LOG_VERSION_NAMESPACE v2_mt_nt5
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# endif
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# else
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# define BOOST_LOG_VERSION_NAMESPACE v2_mt
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# endif
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# endif // defined(BOOST_LOG_NO_THREADS)
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# else
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# if defined(BOOST_LOG_NO_THREADS)
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# define BOOST_LOG_VERSION_NAMESPACE v2s_st
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# else
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# if defined(BOOST_THREAD_PLATFORM_PTHREAD)
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# define BOOST_LOG_VERSION_NAMESPACE v2s_mt_posix
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# elif defined(BOOST_THREAD_PLATFORM_WIN32)
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# if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
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# define BOOST_LOG_VERSION_NAMESPACE v2s_mt_nt6
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# else
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# define BOOST_LOG_VERSION_NAMESPACE v2s_mt_nt5
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# endif
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# else
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# define BOOST_LOG_VERSION_NAMESPACE v2s_mt
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# endif
|
||
|
|
# endif // defined(BOOST_LOG_NO_THREADS)
|
||
|
|
# endif // defined(BOOST_LOG_DLL)
|
||
|
|
|
||
|
|
|
||
|
|
namespace log {
|
||
|
|
|
||
|
|
# if !defined(BOOST_NO_CXX11_INLINE_NAMESPACES)
|
||
|
|
|
||
|
|
inline namespace BOOST_LOG_VERSION_NAMESPACE {}
|
||
|
|
}
|
||
|
|
|
||
|
|
# define BOOST_LOG_OPEN_NAMESPACE namespace log { inline namespace BOOST_LOG_VERSION_NAMESPACE {
|
||
|
|
# define BOOST_LOG_CLOSE_NAMESPACE }}
|
||
|
|
|
||
|
|
# else
|
||
|
|
|
||
|
|
namespace BOOST_LOG_VERSION_NAMESPACE {}
|
||
|
|
|
||
|
|
using namespace BOOST_LOG_VERSION_NAMESPACE
|
||
|
|
# if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) && !defined(__clang__)
|
||
|
|
__attribute__((__strong__))
|
||
|
|
# endif
|
||
|
|
;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
# define BOOST_LOG_OPEN_NAMESPACE namespace log { namespace BOOST_LOG_VERSION_NAMESPACE {
|
||
|
|
# define BOOST_LOG_CLOSE_NAMESPACE }}
|
||
|
|
# endif
|
||
|
|
|
||
|
|
#else // !defined(BOOST_LOG_DOXYGEN_PASS)
|
||
|
|
|
||
|
|
namespace log {}
|
||
|
|
# define BOOST_LOG_OPEN_NAMESPACE namespace log {
|
||
|
|
# define BOOST_LOG_CLOSE_NAMESPACE }
|
||
|
|
|
||
|
|
#endif // !defined(BOOST_LOG_DOXYGEN_PASS)
|
||
|
|
|
||
|
|
#if defined(BOOST_LOG_HAS_PRAGMA_DETECT_MISMATCH)
|
||
|
|
#pragma detect_mismatch("boost_log_abi", BOOST_PP_STRINGIZE(BOOST_LOG_VERSION_NAMESPACE))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif // BOOST_LOG_DETAIL_CONFIG_HPP_INCLUDED_
|