329 lines
10 KiB
C++
329 lines
10 KiB
C++
// (C) Copyright John Maddock 2001 - 2003.
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// (C) Copyright Darin Adler 2001 - 2002.
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// (C) Copyright Jens Maurer 2001 - 2002.
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// (C) Copyright Beman Dawes 2001 - 2003.
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// (C) Copyright Douglas Gregor 2002.
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// (C) Copyright David Abrahams 2002 - 2003.
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// (C) Copyright Synge Todo 2003.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for most recent version.
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// GNU C++ compiler setup.
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//
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// Define BOOST_GCC so we know this is "real" GCC and not some pretender:
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//
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#define BOOST_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#if !defined(__CUDACC__)
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#define BOOST_GCC BOOST_GCC_VERSION
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#endif
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#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L)
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# define BOOST_GCC_CXX11
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#endif
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#if __GNUC__ == 3
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# if defined (__PATHSCALE__)
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# define BOOST_NO_TWO_PHASE_NAME_LOOKUP
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# define BOOST_NO_IS_ABSTRACT
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# endif
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# if __GNUC_MINOR__ < 4
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# define BOOST_NO_IS_ABSTRACT
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# endif
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# define BOOST_NO_CXX11_EXTERN_TEMPLATE
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#endif
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#if __GNUC__ < 4
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//
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// All problems to gcc-3.x and earlier here:
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//
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#define BOOST_NO_TWO_PHASE_NAME_LOOKUP
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# ifdef __OPEN64__
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# define BOOST_NO_IS_ABSTRACT
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# endif
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#endif
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// GCC prior to 3.4 had #pragma once too but it didn't work well with filesystem links
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#if BOOST_GCC_VERSION >= 30400
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#define BOOST_HAS_PRAGMA_ONCE
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#endif
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#if BOOST_GCC_VERSION < 40400
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// Previous versions of GCC did not completely implement value-initialization:
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// GCC Bug 30111, "Value-initialization of POD base class doesn't initialize
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// members", reported by Jonathan Wakely in 2006,
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// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30111 (fixed for GCC 4.4)
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// GCC Bug 33916, "Default constructor fails to initialize array members",
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// reported by Michael Elizabeth Chastain in 2007,
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// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33916 (fixed for GCC 4.2.4)
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// See also: http://www.boost.org/libs/utility/value_init.htm#compiler_issues
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#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
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#endif
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#if !defined(__EXCEPTIONS) && !defined(BOOST_NO_EXCEPTIONS)
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# define BOOST_NO_EXCEPTIONS
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#endif
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//
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// Threading support: Turn this on unconditionally here (except for
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// those platforms where we can know for sure). It will get turned off again
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// later if no threading API is detected.
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//
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#if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
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# define BOOST_HAS_THREADS
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#endif
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//
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// gcc has "long long"
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// Except on Darwin with standard compliance enabled (-pedantic)
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// Apple gcc helpfully defines this macro we can query
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//
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#if !defined(__DARWIN_NO_LONG_LONG)
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# define BOOST_HAS_LONG_LONG
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#endif
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//
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// gcc implements the named return value optimization since version 3.1
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//
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#define BOOST_HAS_NRVO
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// Branch prediction hints
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#define BOOST_LIKELY(x) __builtin_expect(x, 1)
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#define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
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//
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// Dynamic shared object (DSO) and dynamic-link library (DLL) support
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//
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#if __GNUC__ >= 4
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# if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__CYGWIN__)
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// All Win32 development environments, including 64-bit Windows and MinGW, define
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// _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,
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// so does not define _WIN32 or its variants.
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# define BOOST_HAS_DECLSPEC
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# define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__))
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# define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))
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# else
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# define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default")))
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# define BOOST_SYMBOL_IMPORT
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# endif
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# define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
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#else
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// config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined
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# define BOOST_SYMBOL_EXPORT
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#endif
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//
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// RTTI and typeinfo detection is possible post gcc-4.3:
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//
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#if BOOST_GCC_VERSION > 40300
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# ifndef __GXX_RTTI
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# ifndef BOOST_NO_TYPEID
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# define BOOST_NO_TYPEID
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# endif
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# ifndef BOOST_NO_RTTI
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# define BOOST_NO_RTTI
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# endif
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# endif
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#endif
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//
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// Recent GCC versions have __int128 when in 64-bit mode.
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//
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// We disable this if the compiler is really nvcc with C++03 as it
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// doesn't actually support __int128 as of CUDA_VERSION=7500
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// even though it defines __SIZEOF_INT128__.
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// See https://svn.boost.org/trac/boost/ticket/8048
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// https://svn.boost.org/trac/boost/ticket/11852
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// Only re-enable this for nvcc if you're absolutely sure
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// of the circumstances under which it's supported:
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//
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#if defined(__CUDACC__)
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# if defined(BOOST_GCC_CXX11)
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# define BOOST_NVCC_CXX11
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# else
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# define BOOST_NVCC_CXX03
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# endif
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#endif
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#if defined(__SIZEOF_INT128__) && !defined(BOOST_NVCC_CXX03)
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# define BOOST_HAS_INT128
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#endif
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//
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// Recent GCC versions have a __float128 native type, we need to
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// include a std lib header to detect this - not ideal, but we'll
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// be including <cstddef> later anyway when we select the std lib.
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//
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// Nevertheless, as of CUDA 7.5, using __float128 with the host
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// compiler in pre-C++11 mode is still not supported.
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// See https://svn.boost.org/trac/boost/ticket/11852
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//
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#ifdef __cplusplus
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#include <cstddef>
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#else
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#include <stddef.h>
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#endif
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#if defined(_GLIBCXX_USE_FLOAT128) && !defined(__STRICT_ANSI__) && !defined(BOOST_NVCC_CXX03)
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# define BOOST_HAS_FLOAT128
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#endif
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// C++0x features in 4.3.n and later
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//
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#if (BOOST_GCC_VERSION >= 40300) && defined(BOOST_GCC_CXX11)
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// C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
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// passed on the command line, which in turn defines
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// __GXX_EXPERIMENTAL_CXX0X__.
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# define BOOST_HAS_DECLTYPE
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# define BOOST_HAS_RVALUE_REFS
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# define BOOST_HAS_STATIC_ASSERT
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# define BOOST_HAS_VARIADIC_TMPL
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#else
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# define BOOST_NO_CXX11_DECLTYPE
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# define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
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# define BOOST_NO_CXX11_RVALUE_REFERENCES
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# define BOOST_NO_CXX11_STATIC_ASSERT
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#endif
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// C++0x features in 4.4.n and later
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//
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#if (BOOST_GCC_VERSION < 40400) || !defined(BOOST_GCC_CXX11)
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# define BOOST_NO_CXX11_AUTO_DECLARATIONS
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# define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
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# define BOOST_NO_CXX11_CHAR16_T
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# define BOOST_NO_CXX11_CHAR32_T
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# define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
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# define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
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# define BOOST_NO_CXX11_DELETED_FUNCTIONS
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# define BOOST_NO_CXX11_TRAILING_RESULT_TYPES
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# define BOOST_NO_CXX11_INLINE_NAMESPACES
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# define BOOST_NO_CXX11_VARIADIC_TEMPLATES
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#endif
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#if BOOST_GCC_VERSION < 40500
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# define BOOST_NO_SFINAE_EXPR
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#endif
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// GCC 4.5 forbids declaration of defaulted functions in private or protected sections
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#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 5) || !defined(BOOST_GCC_CXX11)
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# define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS
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#endif
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// C++0x features in 4.5.0 and later
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//
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#if (BOOST_GCC_VERSION < 40500) || !defined(BOOST_GCC_CXX11)
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# define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
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# define BOOST_NO_CXX11_LAMBDAS
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# define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
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# define BOOST_NO_CXX11_RAW_LITERALS
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# define BOOST_NO_CXX11_UNICODE_LITERALS
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#endif
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// C++0x features in 4.5.1 and later
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//
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#if (BOOST_GCC_VERSION < 40501) || !defined(BOOST_GCC_CXX11)
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// scoped enums have a serious bug in 4.4.0, so define BOOST_NO_CXX11_SCOPED_ENUMS before 4.5.1
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// See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38064
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# define BOOST_NO_CXX11_SCOPED_ENUMS
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#endif
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// C++0x features in 4.6.n and later
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//
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#if (BOOST_GCC_VERSION < 40600) || !defined(BOOST_GCC_CXX11)
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#define BOOST_NO_CXX11_CONSTEXPR
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#define BOOST_NO_CXX11_NOEXCEPT
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#define BOOST_NO_CXX11_NULLPTR
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#define BOOST_NO_CXX11_RANGE_BASED_FOR
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#define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
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#endif
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// C++0x features in 4.7.n and later
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//
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#if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11)
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# define BOOST_NO_CXX11_FINAL
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# define BOOST_NO_CXX11_TEMPLATE_ALIASES
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# define BOOST_NO_CXX11_USER_DEFINED_LITERALS
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# define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS
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#endif
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// C++0x features in 4.8.n and later
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//
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#if (BOOST_GCC_VERSION < 40800) || !defined(BOOST_GCC_CXX11)
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# define BOOST_NO_CXX11_ALIGNAS
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# define BOOST_NO_CXX11_THREAD_LOCAL
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#endif
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// C++0x features in 4.8.1 and later
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//
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#if (BOOST_GCC_VERSION < 40801) || !defined(BOOST_GCC_CXX11)
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# define BOOST_NO_CXX11_DECLTYPE_N3276
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# define BOOST_NO_CXX11_REF_QUALIFIERS
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# define BOOST_NO_CXX14_BINARY_LITERALS
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#endif
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// C++14 features in 4.9.0 and later
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//
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#if (BOOST_GCC_VERSION < 40900) || (__cplusplus < 201300)
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# define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
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# define BOOST_NO_CXX14_GENERIC_LAMBDAS
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# define BOOST_NO_CXX14_DIGIT_SEPARATORS
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# define BOOST_NO_CXX14_DECLTYPE_AUTO
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# if !((BOOST_GCC_VERSION >= 40801) && (BOOST_GCC_VERSION < 40900) && defined(BOOST_GCC_CXX11))
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# define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES
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# endif
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#endif
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// C++ 14:
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#if !defined(__cpp_aggregate_nsdmi) || (__cpp_aggregate_nsdmi < 201304)
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# define BOOST_NO_CXX14_AGGREGATE_NSDMI
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#endif
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#if !defined(__cpp_constexpr) || (__cpp_constexpr < 201304)
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# define BOOST_NO_CXX14_CONSTEXPR
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#endif
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#if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
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# define BOOST_NO_CXX14_VARIABLE_TEMPLATES
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#endif
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//
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// Unused attribute:
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#if __GNUC__ >= 4
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# define BOOST_ATTRIBUTE_UNUSED __attribute__((__unused__))
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#endif
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//
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// __builtin_unreachable:
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#if BOOST_GCC_VERSION >= 40800
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#define BOOST_UNREACHABLE_RETURN(x) __builtin_unreachable();
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#endif
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#ifndef BOOST_COMPILER
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# define BOOST_COMPILER "GNU C++ version " __VERSION__
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#endif
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// ConceptGCC compiler:
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// http://www.generic-programming.org/software/ConceptGCC/
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#ifdef __GXX_CONCEPTS__
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# define BOOST_HAS_CONCEPTS
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# define BOOST_COMPILER "ConceptGCC version " __VERSION__
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#endif
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// versions check:
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// we don't know gcc prior to version 3.30:
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#if (BOOST_GCC_VERSION< 30300)
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# error "Compiler not configured - please reconfigure"
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#endif
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//
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// last known and checked version is 4.9:
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#if (BOOST_GCC_VERSION > 40900)
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# if defined(BOOST_ASSERT_CONFIG)
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# error "Unknown compiler version - please run the configure tests and report the results"
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# else
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// we don't emit warnings here anymore since there are no defect macros defined for
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// gcc post 3.4, so any failures are gcc regressions...
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//# warning "Unknown compiler version - please run the configure tests and report the results"
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# endif
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#endif
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