diff options
Diffstat (limited to 'src/corelib/global/qcompilerdetection.h')
| -rw-r--r-- | src/corelib/global/qcompilerdetection.h | 140 |
1 files changed, 79 insertions, 61 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index b12f944357..48adc43b77 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -1,41 +1,33 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Copyright (C) 2012 Intel Corporation ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -89,7 +81,9 @@ # define Q_CC_MSVC # define Q_CC_MSVC_NET # define Q_OUTOFLINE_TEMPLATE inline -# define Q_NO_TEMPLATE_FRIENDS +# if _MSC_VER < 1600 +# define Q_NO_TEMPLATE_FRIENDS +# endif # define Q_COMPILER_MANGLES_RETURN_TYPE # define Q_FUNC_INFO __FUNCSIG__ # define Q_ALIGNOF(type) __alignof(type) @@ -200,6 +194,8 @@ # define Q_UNLIKELY(expr) __builtin_expect(!!(expr), false) # define Q_NORETURN __attribute__((__noreturn__)) # define Q_REQUIRED_RESULT __attribute__ ((__warn_unused_result__)) +# define Q_DECL_PURE_FUNCTION __attribute__((pure)) +# define Q_DECL_CONST_FUNCTION __attribute__((const)) # if !defined(QT_MOC_CPP) # define Q_PACKED __attribute__ ((__packed__)) # ifndef __ARM_EABI__ @@ -439,59 +435,55 @@ /* * C++11 support * - * Paper Macro + * Paper Macro SD-6 macro * N2341 Q_COMPILER_ALIGNAS * N2341 Q_COMPILER_ALIGNOF * N2427 Q_COMPILER_ATOMICS - * N2761 Q_COMPILER_ATTRIBUTES + * N2761 Q_COMPILER_ATTRIBUTES __cpp_attributes = 200809 * N2541 Q_COMPILER_AUTO_FUNCTION * N1984 N2546 Q_COMPILER_AUTO_TYPE * N2437 Q_COMPILER_CLASS_ENUM - * N2235 Q_COMPILER_CONSTEXPR - * N2343 N3276 Q_COMPILER_DECLTYPE + * N2235 Q_COMPILER_CONSTEXPR __cpp_constexpr = 200704 + * N2343 N3276 Q_COMPILER_DECLTYPE __cpp_decltype = 200707 * N2346 Q_COMPILER_DEFAULT_MEMBERS * N2346 Q_COMPILER_DELETE_MEMBERS * N1986 Q_COMPILER_DELEGATING_CONSTRUCTORS * N2437 Q_COMPILER_EXPLICIT_CONVERSIONS - * N3206 N3272 Q_COMPILER_EXPLICIT_OVERRIDES (v0.9 and above only) + * N3206 N3272 Q_COMPILER_EXPLICIT_OVERRIDES * N1987 Q_COMPILER_EXTERN_TEMPLATES * N2540 Q_COMPILER_INHERITING_CONSTRUCTORS * N2672 Q_COMPILER_INITIALIZER_LISTS - * N2658 N2927 Q_COMPILER_LAMBDA (v1.0 and above only) + * N2658 N2927 Q_COMPILER_LAMBDA __cpp_lambdas = 200907 * N2756 Q_COMPILER_NONSTATIC_MEMBER_INIT * N2855 N3050 Q_COMPILER_NOEXCEPT * N2431 Q_COMPILER_NULLPTR * N2930 Q_COMPILER_RANGE_FOR - * N2442 Q_COMPILER_RAW_STRINGS + * N2442 Q_COMPILER_RAW_STRINGS __cpp_raw_strings = 200710 * N2439 Q_COMPILER_REF_QUALIFIERS - * N2118 N2844 N3053 Q_COMPILER_RVALUE_REFS (Note: GCC 4.3 implements only the oldest) - * N1720 Q_COMPILER_STATIC_ASSERT + * N2118 N2844 N3053 Q_COMPILER_RVALUE_REFS __cpp_rvalue_references = 200610 + * N1720 Q_COMPILER_STATIC_ASSERT __cpp_static_assert = 200410 * N2258 Q_COMPILER_TEMPLATE_ALIAS * N2659 Q_COMPILER_THREAD_LOCAL - * N2765 Q_COMPILER_UDL - * N2442 Q_COMPILER_UNICODE_STRINGS + * N2660 Q_COMPILER_THREADSAFE_STATICS + * N2765 Q_COMPILER_UDL __cpp_user_defined_literals = 200809 + * N2442 Q_COMPILER_UNICODE_STRINGS __cpp_unicode_literals = 200710 * N2640 Q_COMPILER_UNIFORM_INIT * N2544 Q_COMPILER_UNRESTRICTED_UNIONS * N1653 Q_COMPILER_VARIADIC_MACROS - * N2242 N2555 Q_COMPILER_VARIADIC_TEMPLATES - * - * C++1y proposed features + * N2242 N2555 Q_COMPILER_VARIADIC_TEMPLATES __cpp_variadic_templates = 200704 * - * N3472 Q_COMPILER_BINARY_LITERALS - * N3649 Q_COMPILER_GENERIC_LAMBDA - * N3638 Q_COMPILER_LAMBDA_CAPTURES - * N3652 Q_COMPILER_RELAXED_CONSTEXPR_FUNCTIONS - * N3386 N3638 Q_COMPILER_RETURN_TYPE_DEDUCTION - * N3651 Q_COMPILER_VARIABLE_TEMPLATES - * - * C++14 Technical Specifications / C++17: - * N3639 Q_COMPILER_VLA (see also Q_COMPILER_RESTRICTED_VLA) + * For any future version of the C++ standard, we use only the SD-6 macro. + * For full listing, see + * http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations * + * C++ extensions: + * Q_COMPILER_RESTRICTED_VLA variable-length arrays, prior to __cpp_runtime_arrays */ #ifdef Q_CC_INTEL # define Q_COMPILER_RESTRICTED_VLA # define Q_COMPILER_VARIADIC_MACROS // C++11 feature supported as an extension in other modes, too +# define Q_COMPILER_THREADSAFE_STATICS # if __INTEL_COMPILER < 1200 # define Q_NO_TEMPLATE_FRIENDS # endif @@ -533,18 +525,28 @@ // causes issues with QArrayData and QtPrivate::RefCount - Intel issue ID 6000056211, bug DPD200534796 //# define Q_COMPILER_CONSTEXPR # define Q_COMPILER_DELEGATING_CONSTRUCTORS +# define Q_COMPILER_EXPLICIT_CONVERSIONS # define Q_COMPILER_EXPLICIT_OVERRIDES # define Q_COMPILER_NONSTATIC_MEMBER_INIT +# define Q_COMPILER_RANGE_FOR # define Q_COMPILER_RAW_STRINGS # define Q_COMPILER_REF_QUALIFIERS # define Q_COMPILER_UNRESTRICTED_UNIONS # endif +# if __INTEL_COMPILER >= 1500 +# define Q_COMPILER_ALIGNAS +# define Q_COMPILER_ALIGNOF +# define Q_COMPILER_INHERITING_CONSTRUCTORS +# define Q_COMPILER_THREAD_LOCAL +# define Q_COMPILER_UDL +# endif # endif #endif #if defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) /* General C++ features */ # define Q_COMPILER_RESTRICTED_VLA +# define Q_COMPILER_THREADSAFE_STATICS # if !__has_feature(cxx_exceptions) # ifndef QT_NO_EXCEPTIONS # define QT_NO_EXCEPTIONS @@ -671,8 +673,7 @@ # endif # endif -/* C++1y features, see http://clang.llvm.org/cxx_status.html and - * http://clang.llvm.org/docs/LanguageExtensions.html#checks-for-standard-language-features */ +/* C++1y features, deprecated macros. Do not update this list. */ # if __cplusplus > 201103L //# if __has_feature(cxx_binary_literals) //# define Q_COMPILER_BINARY_LITERALS // see above @@ -696,10 +697,18 @@ # define Q_COMPILER_VLA # endif # endif + +# if defined(__has_warning) +# if __has_warning("-Wunused-private-field") +# define Q_DECL_UNUSED_MEMBER Q_DECL_UNUSED +# endif +# endif + #endif // Q_CC_CLANG #if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_CC_CLANG) # define Q_COMPILER_RESTRICTED_VLA +# define Q_COMPILER_THREADSAFE_STATICS # if (__GNUC__ * 100 + __GNUC_MINOR__) >= 403 // GCC supports binary literals in C, C++98 and C++11 modes # define Q_COMPILER_BINARY_LITERALS @@ -725,7 +734,6 @@ # define Q_COMPILER_DEFAULT_MEMBERS # define Q_COMPILER_DELETE_MEMBERS # define Q_COMPILER_EXTERN_TEMPLATES -# define Q_COMPILER_INITIALIZER_LISTS # define Q_COMPILER_UNIFORM_INIT # define Q_COMPILER_UNICODE_STRINGS # define Q_COMPILER_VARIADIC_TEMPLATES @@ -733,6 +741,9 @@ # if (__GNUC__ * 100 + __GNUC_MINOR__) >= 405 /* C++11 features supported in GCC 4.5: */ # define Q_COMPILER_EXPLICIT_CONVERSIONS + /* GCC 4.4 implements initializer_list but does not define typedefs required + * by the standard. */ +# define Q_COMPILER_INITIALIZER_LISTS # define Q_COMPILER_LAMBDA # define Q_COMPILER_RAW_STRINGS # endif @@ -773,7 +784,7 @@ # endif # if __cplusplus > 201103L # if (__GNUC__ * 100 + __GNUC_MINOR__) >= 409 - /* C++1y features in GCC 4.9 */ + /* C++1y features in GCC 4.9 - deprecated, do not update this list */ //# define Q_COMPILER_BINARY_LITERALS // already supported since GCC 4.3 as an extension # define Q_COMPILER_LAMBDA_CAPTURES # define Q_COMPILER_RETURN_TYPE_DEDUCTION @@ -782,6 +793,7 @@ #endif #if defined(Q_CC_MSVC) && !defined(Q_CC_INTEL) +# if defined(__cplusplus) # if _MSC_VER >= 1400 /* C++11 features supported in VC8 = VC2005: */ # define Q_COMPILER_VARIADIC_MACROS @@ -804,8 +816,10 @@ /* C++11 features supported in VC10 = VC2010: */ # define Q_COMPILER_AUTO_FUNCTION # define Q_COMPILER_AUTO_TYPE -# define Q_COMPILER_LAMBDA # define Q_COMPILER_DECLTYPE +# define Q_COMPILER_EXTERN_TEMPLATES +# define Q_COMPILER_LAMBDA +# define Q_COMPILER_NULLPTR # define Q_COMPILER_RVALUE_REFS # define Q_COMPILER_STATIC_ASSERT // MSVC's library has std::initializer_list, but the compiler does not support the braces initialization @@ -817,7 +831,6 @@ # undef Q_DECL_OVERRIDE /* undo 2005/2008 settings... */ # undef Q_DECL_FINAL /* undo 2005/2008 settings... */ # define Q_COMPILER_EXPLICIT_OVERRIDES /* ...and use std C++11 now */ -# define Q_COMPILER_RANGE_FOR # define Q_COMPILER_CLASS_ENUM # define Q_COMPILER_ATOMICS # endif /* VC 11 */ @@ -840,6 +853,7 @@ # define Q_COMPILER_INITIALIZER_LISTS # endif /* VC 12 SP 2 RC */ +# endif /* __cplusplus */ #endif /* Q_CC_MSVC */ #ifdef __cplusplus @@ -864,6 +878,13 @@ # undef Q_COMPILER_RVALUE_REFS # undef Q_COMPILER_REF_QUALIFIERS # endif +# if defined(Q_COMPILER_THREADSAFE_STATICS) && defined(Q_OS_MAC) +// Mac OS X: Apple's low-level implementation of the C++ support library +// (libc++abi.dylib, shared between libstdc++ and libc++) has deadlocks. The +// C++11 standard requires the deadlocks to be removed, so this will eventually +// be fixed; for now, let's disable this. +# undef Q_COMPILER_THREADSAFE_STATICS +# endif #endif /* @@ -976,6 +997,9 @@ #ifndef Q_DECL_UNUSED # define Q_DECL_UNUSED #endif +#ifndef Q_DECL_UNUSED_MEMBER +# define Q_DECL_UNUSED_MEMBER +#endif #ifndef Q_FUNC_INFO # if defined(Q_OS_SOLARIS) || defined(Q_CC_XLC) # define Q_FUNC_INFO __FILE__ "(line number unavailable)" @@ -989,17 +1013,11 @@ #ifndef Q_DECL_NS_RETURNS_AUTORELEASED # define Q_DECL_NS_RETURNS_AUTORELEASED #endif - -/* - Workaround for static const members on MSVC++. -*/ - -#if defined(Q_CC_MSVC) -# define QT_STATIC_CONST static -# define QT_STATIC_CONST_IMPL -#else -# define QT_STATIC_CONST static const -# define QT_STATIC_CONST_IMPL const +#ifndef Q_DECL_PURE_FUNCTION +# define Q_DECL_PURE_FUNCTION +#endif +#ifndef Q_DECL_CONST_FUNCTION +# define Q_DECL_CONST_FUNCTION Q_DECL_PURE_FUNCTION #endif /* @@ -1045,7 +1063,7 @@ # undef QT_COMPILER_SUPPORTS_AVX2 #endif #if !defined(Q_PROCESSOR_ARM) -# undef QT_COMPILER_SUPPORTS_IWMMXT +# undef QT_COMPILER_SUPPORTS_NEON #endif #if !defined(Q_PROCESSOR_MIPS) # undef QT_COMPILER_SUPPORTS_MIPS_DSP |