blob: c5a73679ae0e0377fc73979d3c87684ef1169f53 [file] [log] [blame]
/*
* 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 <limits.h> // To bring in libc macros
#include <boost/config.hpp>
#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(__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(_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
// 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
#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)
# if defined(BOOST_SYMBOL_IMPORT)
# define BOOST_LOG_API BOOST_SYMBOL_IMPORT
# elif defined(BOOST_HAS_DECLSPEC)
# define BOOST_LOG_API __declspec(dllimport)
# endif
# endif
# ifndef BOOST_LOG_API
# 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)
# if defined(BOOST_SYMBOL_EXPORT)
# define BOOST_LOG_API BOOST_SYMBOL_EXPORT
# elif defined(BOOST_HAS_DECLSPEC)
# define BOOST_LOG_API __declspec(dllexport)
# endif
# endif
# ifndef BOOST_LOG_API
# 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 defined(BOOST_LOG_USE_WINNT6_API)
# define BOOST_LOG_VERSION_NAMESPACE v2_mt_nt6
# else
# define BOOST_LOG_VERSION_NAMESPACE v2_mt_nt5
# endif // defined(BOOST_LOG_USE_WINNT6_API)
# 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 defined(BOOST_LOG_USE_WINNT6_API)
# define BOOST_LOG_VERSION_NAMESPACE v2s_mt_nt6
# else
# define BOOST_LOG_VERSION_NAMESPACE v2s_mt_nt5
# endif // defined(BOOST_LOG_USE_WINNT6_API)
# 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_