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