gcc.hpp

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//  (C) Copyright John Maddock 2001 - 2003.
//  (C) Copyright Darin Adler 2001 - 2002.
//  (C) Copyright Jens Maurer 2001 - 2002.
//  (C) Copyright Beman Dawes 2001 - 2003.
//  (C) Copyright Douglas Gregor 2002.
//  (C) Copyright David Abrahams 2002 - 2003.
//  (C) Copyright Synge Todo 2003.
//  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.
 
//  GNU C++ compiler setup:
 
#if __GNUC__ < 3
#  if __GNUC_MINOR__ == 91
// egcs 1.1 won't parse shared_ptr.hpp without this:
#    define BOOST_NO_AUTO_PTR
#  endif
#  if __GNUC_MINOR__ < 95
//
// Prior to gcc 2.95 member templates only partly
// work - define BOOST_MSVC6_MEMBER_TEMPLATES
// instead since inline member templates mostly work.
//
#    define BOOST_NO_MEMBER_TEMPLATES
#    if __GNUC_MINOR__ >= 9
#      define BOOST_MSVC6_MEMBER_TEMPLATES
#    endif
#  endif
 
#  if __GNUC_MINOR__ < 96
#    define BOOST_NO_SFINAE
#  endif
 
#  if __GNUC_MINOR__ <= 97
#    define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
#    define BOOST_NO_OPERATORS_IN_NAMESPACE
#  endif
 
#  define BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE
#  define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
#  define BOOST_NO_IS_ABSTRACT
#  define BOOST_NO_CXX11_EXTERN_TEMPLATE
// Variadic macros do not exist for gcc versions before 3.0
#  define BOOST_NO_CXX11_VARIADIC_MACROS
#elif __GNUC__ == 3
#  if defined(__PATHSCALE__)
#    define BOOST_NO_TWO_PHASE_NAME_LOOKUP
#    define BOOST_NO_IS_ABSTRACT
#  endif
//
// gcc-3.x problems:
//
// Bug specific to gcc 3.1 and 3.2:
//
#  if ((__GNUC_MINOR__ == 1) || (__GNUC_MINOR__ == 2))
#    define BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
#  endif
#  if __GNUC_MINOR__ < 4
#    define BOOST_NO_IS_ABSTRACT
#  endif
#  define BOOST_NO_CXX11_EXTERN_TEMPLATE
#endif
#if __GNUC__ < 4
//
// All problems to gcc-3.x and earlier here:
//
#  define BOOST_NO_TWO_PHASE_NAME_LOOKUP
#  ifdef __OPEN64__
#    define BOOST_NO_IS_ABSTRACT
#  endif
#endif
 
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4)
// Previous versions of GCC did not completely implement value-initialization:
// GCC Bug 30111, "Value-initialization of POD base class doesn't initialize
// members", reported by Jonathan Wakely in 2006,
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111 (fixed for GCC 4.4)
// GCC Bug 33916, "Default constructor fails to initialize array members",
// reported by Michael Elizabeth Chastain in 2007,
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33916 (fixed for GCC 4.2.4)
// See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
#  define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
#endif
 
#if !defined(__EXCEPTIONS) && !defined(BOOST_NO_EXCEPTIONS)
#  define BOOST_NO_EXCEPTIONS
#endif
 
//
// Threading support: Turn this on unconditionally here (except for
// those platforms where we can know for sure). It will get turned off again
// later if no threading API is detected.
//
#if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) &&           \
  !defined(__linux__)
#  define BOOST_HAS_THREADS
#endif
 
//
// gcc has "long long"
//
#define BOOST_HAS_LONG_LONG
 
//
// gcc implements the named return value optimization since version 3.1
//
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
#  define BOOST_HAS_NRVO
#endif
 
//
// Dynamic shared object (DSO) and dynamic-link library (DLL) support
//
#if __GNUC__ >= 4
#  if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) &&             \
    !defined(__CYGWIN__)
// All Win32 development environments, including 64-bit Windows and MinGW, define
// _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,
// so does not define _WIN32 or its variants.
#    define BOOST_HAS_DECLSPEC
#    define BOOST_SYMBOL_EXPORT __attribute__((dllexport))
#    define BOOST_SYMBOL_IMPORT __attribute__((dllimport))
#  else
#    define BOOST_SYMBOL_EXPORT __attribute__((visibility("default")))
#    define BOOST_SYMBOL_IMPORT
#  endif
#  define BOOST_SYMBOL_VISIBLE __attribute__((visibility("default")))
#else
// config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined
#  define BOOST_SYMBOL_EXPORT
#endif
 
//
// RTTI and typeinfo detection is possible post gcc-4.3:
//
#if __GNUC__ * 100 + __GNUC_MINOR__ >= 403
#  ifndef __GXX_RTTI
#    ifndef BOOST_NO_TYPEID
#      define BOOST_NO_TYPEID
#    endif
#    ifndef BOOST_NO_RTTI
#      define BOOST_NO_RTTI
#    endif
#  endif
#endif
 
// C++0x features in 4.3.n and later
//
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)) &&                 \
  defined(__GXX_EXPERIMENTAL_CXX0X__)
// C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
// passed on the command line, which in turn defines
// __GXX_EXPERIMENTAL_CXX0X__.
#  define BOOST_HAS_DECLTYPE
#  define BOOST_HAS_RVALUE_REFS
#  define BOOST_HAS_STATIC_ASSERT
#  define BOOST_HAS_VARIADIC_TMPL
#else
#  define BOOST_NO_CXX11_DECLTYPE
#  define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
#  define BOOST_NO_CXX11_RVALUE_REFERENCES
#  define BOOST_NO_CXX11_STATIC_ASSERT
 
// Variadic templates compiler:
//   http://www.generic-programming.org/~dgregor/cpp/variadic-templates.html
#  if defined(__VARIADIC_TEMPLATES) || (__GNUC__ > 4) ||                       \
    ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4) &&                               \
     defined(__GXX_EXPERIMENTAL_CXX0X__))
#    define BOOST_HAS_VARIADIC_TMPL
#  else
#    define BOOST_NO_CXX11_VARIADIC_TEMPLATES
#  endif
#endif
 
// C++0x features in 4.4.n and later
//
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4) ||                   \
  !defined(__GXX_EXPERIMENTAL_CXX0X__)
#  define BOOST_NO_CXX11_AUTO_DECLARATIONS
#  define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
#  define BOOST_NO_CXX11_CHAR16_T
#  define BOOST_NO_CXX11_CHAR32_T
#  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
#  define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
#  define BOOST_NO_CXX11_DELETED_FUNCTIONS
#endif
 
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4)
#  define BOOST_NO_SFINAE_EXPR
#endif
 
// C++0x features in 4.5.0 and later
//
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) ||                   \
  !defined(__GXX_EXPERIMENTAL_CXX0X__)
#  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
#  define BOOST_NO_CXX11_LAMBDAS
#  define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
#  define BOOST_NO_CXX11_RAW_LITERALS
#  define BOOST_NO_CXX11_UNICODE_LITERALS
#endif
 
// C++0x features in 4.5.1 and later
//
#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ < 40501) || \
  !defined(__GXX_EXPERIMENTAL_CXX0X__)
// scoped enums have a serious bug in 4.4.0, so define BOOST_NO_CXX11_SCOPED_ENUMS before 4.5.1
// See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38064
#  define BOOST_NO_CXX11_SCOPED_ENUMS
#endif
 
// C++0x features in 4.6.n and later
//
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6) ||                   \
  !defined(__GXX_EXPERIMENTAL_CXX0X__)
#  define BOOST_NO_CXX11_CONSTEXPR
#  define BOOST_NO_CXX11_NOEXCEPT
#  define BOOST_NO_CXX11_NULLPTR
#  define BOOST_NO_CXX11_RANGE_BASED_FOR
#  define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
#endif
 
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) ||                   \
  !defined(__GXX_EXPERIMENTAL_CXX0X__)
#  define BOOST_NO_CXX11_TEMPLATE_ALIASES
#endif
// C++0x features not supported at all yet
//
#define BOOST_NO_CXX11_DECLTYPE_N3276
 
#ifndef BOOST_COMPILER
#  define BOOST_COMPILER "GNU C++ version " __VERSION__
#endif
 
// ConceptGCC compiler:
//   http://www.generic-programming.org/software/ConceptGCC/
#ifdef __GXX_CONCEPTS__
#  define BOOST_HAS_CONCEPTS
#  define BOOST_COMPILER "ConceptGCC version " __VERSION__
#endif
 
// versions check:
// we don't know gcc prior to version 2.90:
#if (__GNUC__ == 2) && (__GNUC_MINOR__ < 90)
#  error "Compiler not configured - please reconfigure"
#endif
//
// last known and checked version is 4.6 (Pre-release):
#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6))
#  if defined(BOOST_ASSERT_CONFIG)
#    error                                                                     \
      "Unknown compiler version - please run the configure tests and report the results"
#  else
// we don't emit warnings here anymore since there are no defect macros defined for
// gcc post 3.4, so any failures are gcc regressions...
//#     warning "Unknown compiler version - please run the configure tests and report the results"
#  endif
#endif