diff options
Diffstat (limited to 'boost/config/compiler/gcc.hpp')
| -rw-r--r-- | boost/config/compiler/gcc.hpp | 214 |
1 files changed, 128 insertions, 86 deletions
diff --git a/boost/config/compiler/gcc.hpp b/boost/config/compiler/gcc.hpp index f42fd790ca..41705df039 100644 --- a/boost/config/compiler/gcc.hpp +++ b/boost/config/compiler/gcc.hpp @@ -1,63 +1,36 @@ -// (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 +// (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 +// GNU C++ compiler setup. + +// +// Define BOOST_GCC so we know this is "real" GCC and not some pretender: +// +#define BOOST_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) +#if !defined(__CUDACC__) +#define BOOST_GCC BOOST_GCC_VERSION +#endif + +#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L) +# define BOOST_GCC_CXX11 +#endif + +#if __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 @@ -73,7 +46,12 @@ # endif #endif -#if __GNUC__ < 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ < 4 ) +// GCC prior to 3.4 had #pragma once too but it didn't work well with filesystem links +#if BOOST_GCC_VERSION >= 30400 +#define BOOST_HAS_PRAGMA_ONCE +#endif + +#if BOOST_GCC_VERSION < 40400 // 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, @@ -97,45 +75,51 @@ // #if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__) # define BOOST_HAS_THREADS -#endif +#endif // // gcc has "long long" +// Except on Darwin with standard compliance enabled (-pedantic) +// Apple gcc helpfully defines this macro we can query // -#define BOOST_HAS_LONG_LONG +#if !defined(__DARWIN_NO_LONG_LONG) +# define BOOST_HAS_LONG_LONG +#endif // // gcc implements the named return value optimization since version 3.1 // -#if __GNUC__ > 3 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 1 ) #define BOOST_HAS_NRVO -#endif + +// Branch prediction hints +#define BOOST_LIKELY(x) __builtin_expect(x, 1) +#define BOOST_UNLIKELY(x) __builtin_expect(x, 0) // // 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 + // 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)) +# define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__)) +# define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__)) # else -# define BOOST_SYMBOL_EXPORT __attribute__((visibility("default"))) +# define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default"))) # define BOOST_SYMBOL_IMPORT # endif -# define BOOST_SYMBOL_VISIBLE __attribute__((visibility("default"))) +# define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default"))) #else -// config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined +// 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 +#if BOOST_GCC_VERSION > 40300 # ifndef __GXX_RTTI # ifndef BOOST_NO_TYPEID # define BOOST_NO_TYPEID @@ -146,10 +130,23 @@ # endif #endif +// +// Recent GCC versions have __int128 when in 64-bit mode. +// +// We disable this if the compiler is really nvcc as it +// doesn't actually support __int128 as of CUDA_VERSION=5000 +// even though it defines __SIZEOF_INT128__. +// See https://svn.boost.org/trac/boost/ticket/8048 +// Only re-enable this for nvcc if you're absolutely sure +// of the circumstances under which it's supported: +// +#if defined(__SIZEOF_INT128__) && !defined(__CUDACC__) +# define BOOST_HAS_INT128 +#endif // C++0x features in 4.3.n and later // -#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)) && defined(__GXX_EXPERIMENTAL_CXX0X__) +#if (BOOST_GCC_VERSION >= 40300) && defined(BOOST_GCC_CXX11) // 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__. @@ -162,19 +159,11 @@ # 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__) +#if (BOOST_GCC_VERSION < 40400) || !defined(BOOST_GCC_CXX11) # define BOOST_NO_CXX11_AUTO_DECLARATIONS # define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS # define BOOST_NO_CXX11_CHAR16_T @@ -182,15 +171,23 @@ # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST # define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS # define BOOST_NO_CXX11_DELETED_FUNCTIONS +# define BOOST_NO_CXX11_TRAILING_RESULT_TYPES +# define BOOST_NO_CXX11_INLINE_NAMESPACES +# define BOOST_NO_CXX11_VARIADIC_TEMPLATES #endif -#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4) +#if BOOST_GCC_VERSION < 40500 # define BOOST_NO_SFINAE_EXPR #endif +// GCC 4.5 forbids declaration of defaulted functions in private or protected sections +#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 5) || !defined(BOOST_GCC_CXX11) +# define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS +#endif + // C++0x features in 4.5.0 and later // -#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) || !defined(__GXX_EXPERIMENTAL_CXX0X__) +#if (BOOST_GCC_VERSION < 40500) || !defined(BOOST_GCC_CXX11) # define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS # define BOOST_NO_CXX11_LAMBDAS # define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS @@ -200,7 +197,7 @@ // C++0x features in 4.5.1 and later // -#if (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__ < 40501) || !defined(__GXX_EXPERIMENTAL_CXX0X__) +#if (BOOST_GCC_VERSION < 40501) || !defined(BOOST_GCC_CXX11) // 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 @@ -208,7 +205,7 @@ // C++0x features in 4.6.n and later // -#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6) || !defined(__GXX_EXPERIMENTAL_CXX0X__) +#if (BOOST_GCC_VERSION < 40600) || !defined(BOOST_GCC_CXX11) #define BOOST_NO_CXX11_CONSTEXPR #define BOOST_NO_CXX11_NOEXCEPT #define BOOST_NO_CXX11_NULLPTR @@ -216,12 +213,58 @@ #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX #endif -#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) || !defined(__GXX_EXPERIMENTAL_CXX0X__) +// C++0x features in 4.7.n and later +// +#if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11) +# define BOOST_NO_CXX11_FINAL # define BOOST_NO_CXX11_TEMPLATE_ALIASES +# define BOOST_NO_CXX11_USER_DEFINED_LITERALS +# define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS +#endif + +// C++0x features in 4.8.n and later +// +#if (BOOST_GCC_VERSION < 40800) || !defined(BOOST_GCC_CXX11) +# define BOOST_NO_CXX11_ALIGNAS +#endif + +// C++0x features in 4.8.1 and later +// +#if (BOOST_GCC_VERSION < 40801) || !defined(BOOST_GCC_CXX11) +# define BOOST_NO_CXX11_DECLTYPE_N3276 +# define BOOST_NO_CXX11_REF_QUALIFIERS +# define BOOST_NO_CXX14_BINARY_LITERALS +#endif + +// C++14 features in 4.9.0 and later +// +#if (BOOST_GCC_VERSION < 40900) || (__cplusplus < 201300) +# define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION +# define BOOST_NO_CXX14_GENERIC_LAMBDAS +# define BOOST_NO_CXX14_DIGIT_SEPARATORS +# define BOOST_NO_CXX14_DECLTYPE_AUTO +# if !((BOOST_GCC_VERSION >= 40801) && (BOOST_GCC_VERSION < 40900) && defined(BOOST_GCC_CXX11)) +# define BOOST_NO_CXX14_INITIALIZED_LAMBDA_CAPTURES +# endif +#endif + + +// C++ 14: +#if !defined(__cpp_aggregate_nsdmi) || (__cpp_aggregate_nsdmi < 201304) +# define BOOST_NO_CXX14_AGGREGATE_NSDMI +#endif +#if !defined(__cpp_constexpr) || (__cpp_constexpr < 201304) +# define BOOST_NO_CXX14_CONSTEXPR #endif -// C++0x features not supported at all yet +#if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304) +# define BOOST_NO_CXX14_VARIABLE_TEMPLATES +#endif + // -#define BOOST_NO_CXX11_DECLTYPE_N3276 +// Unused attribute: +#if __GNUC__ >= 4 +# define BOOST_ATTRIBUTE_UNUSED __attribute__((unused)) +#endif #ifndef BOOST_COMPILER # define BOOST_COMPILER "GNU C++ version " __VERSION__ @@ -235,13 +278,13 @@ #endif // versions check: -// we don't know gcc prior to version 2.90: -#if (__GNUC__ == 2) && (__GNUC_MINOR__ < 90) +// we don't know gcc prior to version 3.30: +#if (BOOST_GCC_VERSION< 30300) # 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)) +// last known and checked version is 4.9: +#if (BOOST_GCC_VERSION > 40900) # if defined(BOOST_ASSERT_CONFIG) # error "Unknown compiler version - please run the configure tests and report the results" # else @@ -251,4 +294,3 @@ # endif #endif - |