diff options
Diffstat (limited to 'src/corelib/global/qcompilerdetection.h')
| -rw-r--r-- | src/corelib/global/qcompilerdetection.h | 169 |
1 files changed, 148 insertions, 21 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index e324c043af..d0eb2af423 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -1,32 +1,38 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Copyright (C) 2014 Intel Corporation -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2016 Intel Corporation. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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 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. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company 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 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -77,6 +83,9 @@ # endif #elif defined(_MSC_VER) +# ifdef __clang__ +# define Q_CC_CLANG ((__clang_major__ * 100) + __clang_minor__) +# endif # define Q_CC_MSVC (_MSC_VER) # define Q_CC_MSVC_NET # define Q_OUTOFLINE_TEMPLATE inline @@ -91,7 +100,9 @@ # define Q_UNREACHABLE_IMPL() __assume(0) # define Q_NORETURN __declspec(noreturn) # define Q_DECL_DEPRECATED __declspec(deprecated) -# define Q_DECL_DEPRECATED_X(text) __declspec(deprecated(text)) +# ifndef Q_CC_CLANG +# define Q_DECL_DEPRECATED_X(text) __declspec(deprecated(text)) +# endif # define Q_DECL_EXPORT __declspec(dllexport) # define Q_DECL_IMPORT __declspec(dllimport) # if _MSC_VER >= 1800 @@ -313,14 +324,14 @@ and PGI C++ 5.2-4 */ #elif !defined(Q_OS_HPUX) && (defined(__EDG) || defined(__EDG__)) # define Q_CC_EDG -/* From the EDG documentation (does not seem to apply to Compaq C++): +/* From the EDG documentation (does not seem to apply to Compaq C++ or GHS C): _BOOL Defined in C++ mode when bool is a keyword. The name of this predefined macro is specified by a configuration flag. _BOOL is the default. __BOOL_DEFINED Defined in Microsoft C++ mode when bool is a keyword. */ -# if !defined(_BOOL) && !defined(__BOOL_DEFINED) +# if !defined(_BOOL) && !defined(__BOOL_DEFINED) && !defined(__ghs) # error "Compiler not supported" # endif @@ -342,6 +353,52 @@ /* Uses CFront, make sure to read the manual how to tweak templates. */ # elif defined(__ghs) # define Q_CC_GHS +# define Q_DECL_DEPRECATED __attribute__ ((__deprecated__)) +# define Q_FUNC_INFO __PRETTY_FUNCTION__ +# define Q_TYPEOF(expr) __typeof__(expr) +# define Q_ALIGNOF(type) __alignof__(type) +# define Q_UNREACHABLE_IMPL() +# if defined(__cplusplus) +# define Q_COMPILER_AUTO_TYPE +# define Q_COMPILER_STATIC_ASSERT +# define Q_COMPILER_RANGE_FOR +# if __GHS_VERSION_NUMBER >= 201505 +# define Q_COMPILER_ALIGNAS +# define Q_COMPILER_ALIGNOF +# define Q_COMPILER_ATOMICS +# define Q_COMPILER_ATTRIBUTES +# define Q_COMPILER_AUTO_FUNCTION +# define Q_COMPILER_CLASS_ENUM +# define Q_COMPILER_CONSTEXPR +# define Q_COMPILER_DECLTYPE +# define Q_COMPILER_DEFAULT_MEMBERS +# define Q_COMPILER_DELETE_MEMBERS +# define Q_COMPILER_DELEGATING_CONSTRUCTORS +# define Q_COMPILER_EXPLICIT_CONVERSIONS +# define Q_COMPILER_EXPLICIT_OVERRIDES +# define Q_COMPILER_EXTERN_TEMPLATES +# define Q_COMPILER_INHERITING_CONSTRUCTORS +# define Q_COMPILER_INITIALIZER_LISTS +# define Q_COMPILER_LAMBDA +# define Q_COMPILER_NONSTATIC_MEMBER_INIT +# define Q_COMPILER_NOEXCEPT +# define Q_COMPILER_NULLPTR +# define Q_COMPILER_RANGE_FOR +# define Q_COMPILER_RAW_STRINGS +# define Q_COMPILER_REF_QUALIFIERS +# define Q_COMPILER_RVALUE_REFS +# define Q_COMPILER_STATIC_ASSERT +# define Q_COMPILER_TEMPLATE_ALIAS +# define Q_COMPILER_THREAD_LOCAL +# define Q_COMPILER_THREADSAFE_STATICS +# define Q_COMPILER_UDL +# define Q_COMPILER_UNICODE_STRINGS +# define Q_COMPILER_UNIFORM_INIT +# define Q_COMPILER_UNRESTRICTED_UNIONS +# define Q_COMPILER_VARIADIC_MACROS +# define Q_COMPILER_VARIADIC_TEMPLATES +# endif +# endif //__cplusplus # elif defined(__DCC__) # define Q_CC_DIAB @@ -500,6 +557,12 @@ * Q_COMPILER_RESTRICTED_VLA variable-length arrays, prior to __cpp_runtime_arrays */ +#ifdef __cplusplus +# if __cplusplus < 201103L && !(defined(Q_CC_MSVC) && Q_CC_MSVC >= 1800) +# error Qt requires a C++11 compiler and yours does not seem to be that. +# endif +#endif + #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 @@ -970,9 +1033,42 @@ // Also disable <atomic>, since it's clearly not there # undef Q_COMPILER_ATOMICS # endif -# if defined(_LIBCPP_VERSION) +# if defined(Q_CC_CLANG) && defined(Q_CC_INTEL) && Q_CC_INTEL >= 1500 +// ICC 15.x and 16.0 have their own implementation of std::atomic, which is activated when in Clang mode +// (probably because libc++'s <atomic> on OS X failed to compile), but they're missing some +// critical definitions. (Reported as Intel Issue ID 6000117277) +# define __USE_CONSTEXPR 1 +# define __USE_NOEXCEPT 1 +# elif defined(Q_CC_MSVC) && (defined(Q_CC_CLANG) || defined(Q_CC_INTEL)) +// Clang and the Intel compiler support more C++ features than the Microsoft compiler +// so make sure we don't enable them if the MS headers aren't properly adapted. +# ifndef _HAS_CONSTEXPR +# undef Q_COMPILER_CONSTEXPR +# endif +# ifndef _HAS_DECLTYPE +# undef Q_COMPILER_DECLTYPE +# endif +# ifndef _HAS_INITIALIZER_LISTS +# undef Q_COMPILER_INITIALIZER_LISTS +# endif +# ifndef _HAS_NULLPTR_T +# undef Q_COMPILER_NULLPTR +# endif +# ifndef _HAS_RVALUE_REFERENCES +# undef Q_COMPILER_RVALUE_REFS +# endif +# ifndef _HAS_SCOPED_ENUM +# undef Q_COMPILER_CLASS_ENUM +# endif +# ifndef _HAS_TEMPLATE_ALIAS +# undef Q_COMPILER_TEMPLATE_ALIAS +# endif +# ifndef _HAS_VARIADIC_TEMPLATES +# undef Q_COMPILER_VARIADIC_TEMPLATES +# endif +# elif defined(_LIBCPP_VERSION) // libc++ uses __has_feature(cxx_atomic), so disable the feature if the compiler -// doesn't support it. That's required for the Intel compiler on OS X, for example. +// doesn't support it. That's required for the Intel compiler 14.x or earlier on OS X, for example. # if !__has_feature(cxx_atomic) # undef Q_COMPILER_ATOMICS # endif @@ -1143,6 +1239,37 @@ #endif /* + * SG10's SD-6 feature detection and some useful extensions from Clang and GCC + * https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations + * http://clang.llvm.org/docs/LanguageExtensions.html#feature-checking-macros + */ +#ifdef __has_builtin +# define QT_HAS_BUILTIN(x) __has_builtin(x) +#else +# define QT_HAS_BUILTIN(x) 0 +#endif +#ifdef __has_attribute +# define QT_HAS_ATTRIBUTE(x) __has_attribute(x) +#else +# define QT_HAS_ATTRIBUTE(x) 0 +#endif +#ifdef __has_cpp_attribute +# define QT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +#else +# define QT_HAS_CPP_ATTRIBUTE(x) 0 +#endif +#ifdef __has_include +# define QT_HAS_INCLUDE(x) __has_include(x) +#else +# define QT_HAS_INCLUDE(x) 0 +#endif +#ifdef __has_include_next +# define QT_HAS_INCLUDE_NEXT(x) __has_include_next(x) +#else +# define QT_HAS_INCLUDE_NEXT(x) 0 +#endif + +/* * Warning/diagnostic handling */ @@ -1164,7 +1291,7 @@ # define QT_WARNING_DISABLE_MSVC(number) # define QT_WARNING_DISABLE_CLANG(text) # define QT_WARNING_DISABLE_GCC(text) -#elif defined(Q_CC_MSVC) && _MSC_VER >= 1500 +#elif defined(Q_CC_MSVC) && _MSC_VER >= 1500 && !defined(Q_CC_CLANG) # undef QT_DO_PRAGMA /* not needed */ # define QT_WARNING_PUSH __pragma(warning(push)) # define QT_WARNING_POP __pragma(warning(pop)) |