Chris@16: //  (C) Copyright John Maddock 2001 - 2003.
Chris@16: //  (C) Copyright Darin Adler 2001 - 2002.
Chris@16: //  (C) Copyright Jens Maurer 2001 - 2002.
Chris@16: //  (C) Copyright Beman Dawes 2001 - 2003.
Chris@16: //  (C) Copyright Douglas Gregor 2002.
Chris@16: //  (C) Copyright David Abrahams 2002 - 2003.
Chris@16: //  (C) Copyright Synge Todo 2003.
Chris@16: //  Use, modification and distribution are subject to the
Chris@16: //  Boost Software License, Version 1.0. (See accompanying file
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for most recent version.
Chris@16: 
Chris@16: //  GNU C++ compiler setup.
Chris@16: 
Chris@16: //
Chris@16: // Define BOOST_GCC so we know this is "real" GCC and not some pretender:
Chris@16: //
Chris@101: #define BOOST_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
Chris@16: #if !defined(__CUDACC__)
Chris@101: #define BOOST_GCC BOOST_GCC_VERSION
Chris@101: #endif
Chris@101: 
Chris@101: #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L)
Chris@101: #  define BOOST_GCC_CXX11
Chris@16: #endif
Chris@16: 
Chris@16: #if __GNUC__ == 3
Chris@16: #  if defined (__PATHSCALE__)
Chris@16: #     define BOOST_NO_TWO_PHASE_NAME_LOOKUP
Chris@16: #     define BOOST_NO_IS_ABSTRACT
Chris@16: #  endif
Chris@16: 
Chris@16: #  if __GNUC_MINOR__ < 4
Chris@16: #     define BOOST_NO_IS_ABSTRACT
Chris@16: #  endif
Chris@16: #  define BOOST_NO_CXX11_EXTERN_TEMPLATE
Chris@16: #endif
Chris@16: #if __GNUC__ < 4
Chris@16: //
Chris@16: // All problems to gcc-3.x and earlier here:
Chris@16: //
Chris@16: #define BOOST_NO_TWO_PHASE_NAME_LOOKUP
Chris@16: #  ifdef __OPEN64__
Chris@16: #     define BOOST_NO_IS_ABSTRACT
Chris@16: #  endif
Chris@16: #endif
Chris@16: 
Chris@16: // GCC prior to 3.4 had #pragma once too but it didn't work well with filesystem links
Chris@101: #if BOOST_GCC_VERSION >= 30400
Chris@16: #define BOOST_HAS_PRAGMA_ONCE
Chris@16: #endif
Chris@16: 
Chris@101: #if BOOST_GCC_VERSION < 40400
Chris@16: // Previous versions of GCC did not completely implement value-initialization:
Chris@16: // GCC Bug 30111, "Value-initialization of POD base class doesn't initialize
Chris@16: // members", reported by Jonathan Wakely in 2006,
Chris@16: // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111 (fixed for GCC 4.4)
Chris@16: // GCC Bug 33916, "Default constructor fails to initialize array members",
Chris@16: // reported by Michael Elizabeth Chastain in 2007,
Chris@16: // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33916 (fixed for GCC 4.2.4)
Chris@16: // See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
Chris@16: #define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(__EXCEPTIONS) && !defined(BOOST_NO_EXCEPTIONS)
Chris@16: # define BOOST_NO_EXCEPTIONS
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: //
Chris@16: // Threading support: Turn this on unconditionally here (except for
Chris@16: // those platforms where we can know for sure). It will get turned off again
Chris@16: // later if no threading API is detected.
Chris@16: //
Chris@16: #if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
Chris@16: # define BOOST_HAS_THREADS
Chris@16: #endif
Chris@16: 
Chris@16: //
Chris@16: // gcc has "long long"
Chris@101: // Except on Darwin with standard compliance enabled (-pedantic)
Chris@101: // Apple gcc helpfully defines this macro we can query
Chris@16: //
Chris@101: #if !defined(__DARWIN_NO_LONG_LONG)
Chris@101: # define BOOST_HAS_LONG_LONG
Chris@101: #endif
Chris@16: 
Chris@16: //
Chris@16: // gcc implements the named return value optimization since version 3.1
Chris@16: //
Chris@16: #define BOOST_HAS_NRVO
Chris@16: 
Chris@16: // Branch prediction hints
Chris@16: #define BOOST_LIKELY(x) __builtin_expect(x, 1)
Chris@16: #define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
Chris@16: 
Chris@16: //
Chris@16: // Dynamic shared object (DSO) and dynamic-link library (DLL) support
Chris@16: //
Chris@16: #if __GNUC__ >= 4
Chris@16: #  if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
Chris@16:      // All Win32 development environments, including 64-bit Windows and MinGW, define
Chris@16:      // _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,
Chris@16:      // so does not define _WIN32 or its variants.
Chris@16: #    define BOOST_HAS_DECLSPEC
Chris@16: #    define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__))
Chris@16: #    define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))
Chris@16: #  else
Chris@16: #    define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default")))
Chris@16: #    define BOOST_SYMBOL_IMPORT
Chris@16: #  endif
Chris@16: #  define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
Chris@16: #else
Chris@16: // config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined
Chris@16: #  define BOOST_SYMBOL_EXPORT
Chris@16: #endif
Chris@16: 
Chris@16: //
Chris@16: // RTTI and typeinfo detection is possible post gcc-4.3:
Chris@16: //
Chris@101: #if BOOST_GCC_VERSION > 40300
Chris@16: #  ifndef __GXX_RTTI
Chris@16: #     ifndef BOOST_NO_TYPEID
Chris@16: #        define BOOST_NO_TYPEID
Chris@16: #     endif
Chris@16: #     ifndef BOOST_NO_RTTI
Chris@16: #        define BOOST_NO_RTTI
Chris@16: #     endif
Chris@16: #  endif
Chris@16: #endif
Chris@16: 
Chris@16: //
Chris@16: // Recent GCC versions have __int128 when in 64-bit mode.
Chris@16: //
Chris@16: // We disable this if the compiler is really nvcc as it
Chris@16: // doesn't actually support __int128 as of CUDA_VERSION=5000
Chris@16: // even though it defines __SIZEOF_INT128__.
Chris@16: // See https://svn.boost.org/trac/boost/ticket/8048
Chris@16: // Only re-enable this for nvcc if you're absolutely sure
Chris@16: // of the circumstances under which it's supported:
Chris@16: //
Chris@16: #if defined(__SIZEOF_INT128__) && !defined(__CUDACC__)
Chris@16: #  define BOOST_HAS_INT128
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.3.n and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION >= 40300) && defined(BOOST_GCC_CXX11)
Chris@16: // C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
Chris@16: // passed on the command line, which in turn defines
Chris@16: // __GXX_EXPERIMENTAL_CXX0X__.
Chris@16: #  define BOOST_HAS_DECLTYPE
Chris@16: #  define BOOST_HAS_RVALUE_REFS
Chris@16: #  define BOOST_HAS_STATIC_ASSERT
Chris@16: #  define BOOST_HAS_VARIADIC_TMPL
Chris@16: #else
Chris@16: #  define BOOST_NO_CXX11_DECLTYPE
Chris@16: #  define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
Chris@16: #  define BOOST_NO_CXX11_RVALUE_REFERENCES
Chris@16: #  define BOOST_NO_CXX11_STATIC_ASSERT
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.4.n and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40400) || !defined(BOOST_GCC_CXX11)
Chris@16: #  define BOOST_NO_CXX11_AUTO_DECLARATIONS
Chris@16: #  define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
Chris@16: #  define BOOST_NO_CXX11_CHAR16_T
Chris@16: #  define BOOST_NO_CXX11_CHAR32_T
Chris@16: #  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
Chris@16: #  define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
Chris@16: #  define BOOST_NO_CXX11_DELETED_FUNCTIONS
Chris@16: #  define BOOST_NO_CXX11_TRAILING_RESULT_TYPES
Chris@16: #  define BOOST_NO_CXX11_INLINE_NAMESPACES
Chris@101: #  define BOOST_NO_CXX11_VARIADIC_TEMPLATES
Chris@16: #endif
Chris@16: 
Chris@101: #if BOOST_GCC_VERSION < 40500
Chris@16: #  define BOOST_NO_SFINAE_EXPR
Chris@16: #endif
Chris@16: 
Chris@16: // GCC 4.5 forbids declaration of defaulted functions in private or protected sections
Chris@101: #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 5) || !defined(BOOST_GCC_CXX11)
Chris@16: #  define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.5.0 and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40500) || !defined(BOOST_GCC_CXX11)
Chris@16: #  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
Chris@16: #  define BOOST_NO_CXX11_LAMBDAS
Chris@16: #  define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
Chris@16: #  define BOOST_NO_CXX11_RAW_LITERALS
Chris@16: #  define BOOST_NO_CXX11_UNICODE_LITERALS
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.5.1 and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40501) || !defined(BOOST_GCC_CXX11)
Chris@16: // scoped enums have a serious bug in 4.4.0, so define BOOST_NO_CXX11_SCOPED_ENUMS before 4.5.1
Chris@16: // See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38064
Chris@16: #  define BOOST_NO_CXX11_SCOPED_ENUMS
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.6.n and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40600) || !defined(BOOST_GCC_CXX11)
Chris@16: #define BOOST_NO_CXX11_CONSTEXPR
Chris@16: #define BOOST_NO_CXX11_NOEXCEPT
Chris@16: #define BOOST_NO_CXX11_NULLPTR
Chris@16: #define BOOST_NO_CXX11_RANGE_BASED_FOR
Chris@16: #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.7.n and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11)
Chris@101: #  define BOOST_NO_CXX11_FINAL
Chris@16: #  define BOOST_NO_CXX11_TEMPLATE_ALIASES
Chris@16: #  define BOOST_NO_CXX11_USER_DEFINED_LITERALS
Chris@101: #  define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.8.n and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40800) || !defined(BOOST_GCC_CXX11)
Chris@16: #  define BOOST_NO_CXX11_ALIGNAS
Chris@16: #endif
Chris@16: 
Chris@16: // C++0x features in 4.8.1 and later
Chris@16: //
Chris@101: #if (BOOST_GCC_VERSION < 40801) || !defined(BOOST_GCC_CXX11)
Chris@16: #  define BOOST_NO_CXX11_DECLTYPE_N3276
Chris@101: #  define BOOST_NO_CXX11_REF_QUALIFIERS
Chris@101: #  define BOOST_NO_CXX14_BINARY_LITERALS
Chris@101: #endif
Chris@101: 
Chris@101: // C++14 features in 4.9.0 and later
Chris@101: //
Chris@101: #if (BOOST_GCC_VERSION < 40900) || (__cplusplus < 201300)
Chris@101: #  define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
Chris@101: #  define BOOST_NO_CXX14_GENERIC_LAMBDAS
Chris@101: #  define BOOST_NO_CXX14_DIGIT_SEPARATORS
Chris@101: #  define BOOST_NO_CXX14_DECLTYPE_AUTO
Chris@101: #  if !((BOOST_GCC_VERSION >= 40801) && (BOOST_GCC_VERSION < 40900) && defined(BOOST_GCC_CXX11))
Chris@101: #     define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES
Chris@101: #  endif
Chris@101: #endif
Chris@101: 
Chris@101: 
Chris@101: // C++ 14:
Chris@101: #if !defined(__cpp_aggregate_nsdmi) || (__cpp_aggregate_nsdmi < 201304)
Chris@101: #  define BOOST_NO_CXX14_AGGREGATE_NSDMI
Chris@101: #endif
Chris@101: #if !defined(__cpp_constexpr) || (__cpp_constexpr < 201304)
Chris@101: #  define BOOST_NO_CXX14_CONSTEXPR
Chris@101: #endif
Chris@101: #if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
Chris@101: #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
Chris@101: #endif
Chris@101: 
Chris@101: //
Chris@101: // Unused attribute:
Chris@101: #if __GNUC__ >= 4
Chris@101: #  define BOOST_ATTRIBUTE_UNUSED __attribute__((unused))
Chris@16: #endif
Chris@16: 
Chris@16: #ifndef BOOST_COMPILER
Chris@16: #  define BOOST_COMPILER "GNU C++ version " __VERSION__
Chris@16: #endif
Chris@16: 
Chris@16: // ConceptGCC compiler:
Chris@16: //   http://www.generic-programming.org/software/ConceptGCC/
Chris@16: #ifdef __GXX_CONCEPTS__
Chris@16: #  define BOOST_HAS_CONCEPTS
Chris@16: #  define BOOST_COMPILER "ConceptGCC version " __VERSION__
Chris@16: #endif
Chris@16: 
Chris@16: // versions check:
Chris@16: // we don't know gcc prior to version 3.30:
Chris@101: #if (BOOST_GCC_VERSION< 30300)
Chris@16: #  error "Compiler not configured - please reconfigure"
Chris@16: #endif
Chris@16: //
Chris@101: // last known and checked version is 4.9:
Chris@101: #if (BOOST_GCC_VERSION > 40900)
Chris@16: #  if defined(BOOST_ASSERT_CONFIG)
Chris@16: #     error "Unknown compiler version - please run the configure tests and report the results"
Chris@16: #  else
Chris@16: // we don't emit warnings here anymore since there are no defect macros defined for
Chris@16: // gcc post 3.4, so any failures are gcc regressions...
Chris@16: //#     warning "Unknown compiler version - please run the configure tests and report the results"
Chris@16: #  endif
Chris@16: #endif
Chris@16: