/**************************************************************************** ** ** Copyright (C) 2022 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. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 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 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. ** ** 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. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QGLOBAL_H # include #endif #ifndef QCOMPILERDETECTION_H #define QCOMPILERDETECTION_H /* The compiler, must be one of: (Q_CC_x) COVERITY - Coverity cov-scan SYM - Digital Mars C/C++ (used to be Symantec C++) MSVC - Microsoft Visual C/C++, Intel C++ for Windows BOR - Borland/Turbo C++ WAT - Watcom C++ GNU - GNU C++ COMEAU - Comeau C++ EDG - Edison Design Group C++ OC - CenterLine C++ SUN - Forte Developer, or Sun Studio C++ MIPS - MIPSpro C++ DEC - DEC C++ HPACC - HP aC++ USLC - SCO OUDK and UDK CDS - Reliant C++ KAI - KAI C++ INTEL - Intel C++ for Linux, Intel C++ for Windows HIGHC - MetaWare High C/C++ PGI - Portland Group C++ GHS - Green Hills Optimizing C++ Compilers RVCT - ARM Realview Compiler Suite CLANG - C++ front-end for the LLVM compiler Should be sorted most to least authoritative. */ #if defined(__COVERITY__) # define Q_CC_COVERITY #endif /* Symantec C++ is now Digital Mars */ #if defined(__DMC__) || defined(__SC__) # define Q_CC_SYM /* "explicit" semantics implemented in 8.1e but keyword recognized since 7.5 */ # if defined(__SC__) && __SC__ < 0x750 # error "Compiler not supported" # endif #elif defined(_MSC_VER) # define Q_CC_MSVC (_MSC_VER) # define Q_CC_MSVC_NET # define Q_CC_MSVC_ONLY Q_CC_MSVC # ifdef __clang__ # undef Q_CC_MSVC_ONLY # define Q_CC_CLANG ((__clang_major__ * 100) + __clang_minor__) # define Q_CC_CLANG_ONLY Q_CC_CLANG # endif # define Q_OUTOFLINE_TEMPLATE inline # define Q_COMPILER_MANGLES_RETURN_TYPE # define Q_FUNC_INFO __FUNCSIG__ # define Q_ALIGNOF(type) __alignof(type) # define Q_DECL_ALIGN(n) __declspec(align(n)) # define Q_ASSUME_IMPL(expr) __assume(expr) # define Q_UNREACHABLE_IMPL() __assume(0) # define Q_NORETURN __declspec(noreturn) # define Q_DECL_DEPRECATED __declspec(deprecated) # 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) # define QT_MAKE_UNCHECKED_ARRAY_ITERATOR(x) stdext::make_unchecked_array_iterator(x) // Since _MSC_VER >= 1800 # define QT_MAKE_CHECKED_ARRAY_ITERATOR(x, N) stdext::make_checked_array_iterator(x, size_t(N)) // Since _MSC_VER >= 1500 /* Intel C++ disguising as Visual C++: the `using' keyword avoids warnings */ # if defined(__INTEL_COMPILER) # undef Q_CC_MSVC_ONLY # ifdef Q_CC_CLANG_ONLY # undef Q_CC_CLANG_ONLY # endif # define Q_DECL_VARIABLE_DEPRECATED # define Q_CC_INTEL __INTEL_COMPILER # endif #elif defined(__BORLANDC__) || defined(__TURBOC__) # define Q_CC_BOR # define Q_INLINE_TEMPLATE # if __BORLANDC__ < 0x502 # error "Compiler not supported" # endif #elif defined(__WATCOMC__) # define Q_CC_WAT /* ARM Realview Compiler Suite RVCT compiler also defines __EDG__ and __GNUC__ (if --gnu flag is given), so check for it before that */ #elif defined(__ARMCC__) || defined(__CC_ARM) # define Q_CC_RVCT /* work-around for missing compiler intrinsics */ # define __is_empty(X) false # define __is_pod(X) false # define Q_DECL_DEPRECATED __attribute__ ((__deprecated__)) # ifdef Q_OS_LINUX # define Q_DECL_EXPORT __attribute__((visibility("default"))) # define Q_DECL_IMPORT __attribute__((visibility("default"))) # define Q_DECL_HIDDEN __attribute__((visibility("hidden"))) # else # define Q_DECL_EXPORT __declspec(dllexport) # define Q_DECL_IMPORT __declspec(dllimport) # endif #elif defined(__GNUC__) # define Q_CC_GNU (__GNUC__ * 100 + __GNUC_MINOR__) # if defined(__MINGW32__) # define Q_CC_MINGW # endif # if defined(__INTEL_COMPILER) /* Intel C++ also masquerades as GCC */ # define Q_CC_INTEL (__INTEL_COMPILER) # ifdef __clang__ /* Intel C++ masquerades as Clang masquerading as GCC */ # define Q_CC_CLANG 305 # endif # define Q_ASSUME_IMPL(expr) __assume(expr) # define Q_UNREACHABLE_IMPL() __builtin_unreachable() # if __INTEL_COMPILER >= 1300 && !defined(__APPLE__) # define Q_DECL_DEPRECATED_X(text) __attribute__ ((__deprecated__(text))) # endif # elif defined(__clang__) /* Clang also masquerades as GCC */ # if defined(__apple_build_version__) # /* http://en.wikipedia.org/wiki/Xcode#Toolchain_Versions */ # if __apple_build_version__ >= 8020041 # define Q_CC_CLANG 309 # elif __apple_build_version__ >= 8000038 # define Q_CC_CLANG 308 # elif __apple_build_version__ >= 7000053 # define Q_CC_CLANG 306 # elif __apple_build_version__ >= 6000051 # define Q_CC_CLANG 305 # elif __apple_build_version__ >= 5030038 # define Q_CC_CLANG 304 # elif __apple_build_version__ >= 5000275 # define Q_CC_CLANG 303 # elif __apple_build_version__ >= 4250024 # define Q_CC_CLANG 302 # elif __apple_build_version__ >= 3180045 # define Q_CC_CLANG 301 # elif __apple_build_version__ >= 2111001 # define Q_CC_CLANG 300 # else # error "Unknown Apple Clang version" # endif # else # define Q_CC_CLANG ((__clang_major__ * 100) + __clang_minor__) # endif # define Q_CC_CLANG_ONLY Q_CC_CLANG # if __has_builtin(__builtin_assume) # define Q_ASSUME_IMPL(expr) __builtin_assume(expr) # else # define Q_ASSUME_IMPL(expr) if (expr){} else __builtin_unreachable() # endif # define Q_UNREACHABLE_IMPL() __builtin_unreachable() # if !defined(__has_extension) # /* Compatibility with older Clang versions */ # define __has_extension __has_feature # endif # if defined(__APPLE__) /* Apple/clang specific features */ # define Q_DECL_CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) # ifdef __OBJC__ # define Q_DECL_NS_RETURNS_AUTORELEASED __attribute__((ns_returns_autoreleased)) # endif # endif # ifdef __EMSCRIPTEN__ # define Q_CC_EMSCRIPTEN # endif # else /* Plain GCC */ # define Q_CC_GNU_ONLY Q_CC_GNU # if Q_CC_GNU >= 405 # define Q_ASSUME_IMPL(expr) if (expr){} else __builtin_unreachable() # define Q_UNREACHABLE_IMPL() __builtin_unreachable() # define Q_DECL_DEPRECATED_X(text) __attribute__ ((__deprecated__(text))) # endif # endif # ifdef Q_OS_WIN # define Q_DECL_EXPORT __declspec(dllexport) # define Q_DECL_IMPORT __declspec(dllimport) # elif defined(QT_VISIBILITY_AVAILABLE) # define Q_DECL_EXPORT __attribute__((visibility("default"))) # define Q_DECL_IMPORT __attribute__((visibility("default"))) # define Q_DECL_HIDDEN __attribute__((visibility("hidden"))) # endif # define Q_FUNC_INFO __PRETTY_FUNCTION__ # define Q_ALIGNOF(type) __alignof__(type) # define Q_TYPEOF(expr) __typeof__(expr) # define Q_DECL_DEPRECATED __attribute__ ((__deprecated__)) # define Q_DECL_ALIGN(n) __attribute__((__aligned__(n))) # define Q_DECL_UNUSED __attribute__((__unused__)) # define Q_LIKELY(expr) __builtin_expect(!!(expr), true) # 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)) # define Q_DECL_COLD_FUNCTION __attribute__((cold)) # if !defined(QT_MOC_CPP) # define Q_PACKED __attribute__ ((__packed__)) # ifndef __ARM_EABI__ # define QT_NO_ARM_EABI # endif # endif # if Q_CC_GNU >= 403 && !defined(Q_CC_CLANG) # define Q_ALLOC_SIZE(x) __attribute__((alloc_size(x))) # endif /* IBM compiler versions are a bit messy. There are actually two products: the C product, and the C++ product. The C++ compiler is always packaged with the latest version of the C compiler. Version numbers do not always match. This little table (I'm not sure it's accurate) should be helpful: C++ product C product C Set 3.1 C Compiler 3.0 ... ... C++ Compiler 3.6.6 C Compiler 4.3 ... ... Visual Age C++ 4.0 ... ... ... Visual Age C++ 5.0 C Compiler 5.0 ... ... Visual Age C++ 6.0 C Compiler 6.0 Now: __xlC__ is the version of the C compiler in hexadecimal notation is only an approximation of the C++ compiler version __IBMCPP__ is the version of the C++ compiler in decimal notation but it is not defined on older compilers like C Set 3.1 */ #elif defined(__xlC__) # define Q_CC_XLC # define Q_FULL_TEMPLATE_INSTANTIATION # if __xlC__ < 0x400 # error "Compiler not supported" # elif __xlC__ >= 0x0600 # define Q_ALIGNOF(type) __alignof__(type) # define Q_TYPEOF(expr) __typeof__(expr) # define Q_DECL_ALIGN(n) __attribute__((__aligned__(n))) # define Q_PACKED __attribute__((__packed__)) # endif /* Older versions of DEC C++ do not define __EDG__ or __EDG - observed on DEC C++ V5.5-004. New versions do define __EDG__ - observed on Compaq C++ V6.3-002. This compiler is different enough from other EDG compilers to handle it separately anyway. */ #elif defined(__DECCXX) || defined(__DECC) # define Q_CC_DEC /* Compaq C++ V6 compilers are EDG-based but I'm not sure about older DEC C++ V5 compilers. */ # if defined(__EDG__) # define Q_CC_EDG # endif /* Compaq has disabled EDG's _BOOL macro and uses _BOOL_EXISTS instead - observed on Compaq C++ V6.3-002. In any case versions prior to Compaq C++ V6.0-005 do not have bool. */ # if !defined(_BOOL_EXISTS) # error "Compiler not supported" # endif /* Spurious (?) error messages observed on Compaq C++ V6.5-014. */ /* Apply to all versions prior to Compaq C++ V6.0-000 - observed on DEC C++ V5.5-004. */ # if __DECCXX_VER < 60060000 # define Q_BROKEN_TEMPLATE_SPECIALIZATION # endif /* avoid undefined symbol problems with out-of-line template members */ # define Q_OUTOFLINE_TEMPLATE inline /* The Portland Group C++ compiler is based on EDG and does define __EDG__ but the C compiler does not */ #elif defined(__PGI) # define Q_CC_PGI # if defined(__EDG__) # define Q_CC_EDG # endif /* Compilers with EDG front end are similar. To detect them we test: __EDG documented by SGI, observed on MIPSpro 7.3.1.1 and KAI C++ 4.0b __EDG__ documented in EDG online docs, observed on Compaq C++ V6.3-002 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++ 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) && !defined(__ghs) # error "Compiler not supported" # endif /* The Comeau compiler is based on EDG and does define __EDG__ */ # if defined(__COMO__) # define Q_CC_COMEAU /* The `using' keyword was introduced to avoid KAI C++ warnings but it's now causing KAI C++ errors instead. The standard is unclear about the use of this keyword, and in practice every compiler is using its own set of rules. Forget it. */ # elif defined(__KCC) # define Q_CC_KAI /* Using the `using' keyword avoids Intel C++ for Linux warnings */ # elif defined(__INTEL_COMPILER) # define Q_CC_INTEL (__INTEL_COMPILER) /* 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_PACKED __attribute__ ((__packed__)) # 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_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 # if !defined(__bool) # error "Compiler not supported" # endif /* The UnixWare 7 UDK compiler is based on EDG and does define __EDG__ */ # elif defined(__USLC__) && defined(__SCO_VERSION__) # define Q_CC_USLC /* The latest UDK 7.1.1b does not need this, but previous versions do */ # if !defined(__SCO_VERSION__) || (__SCO_VERSION__ < 302200010) # define Q_OUTOFLINE_TEMPLATE inline # endif /* Never tested! */ # elif defined(CENTERLINE_CLPP) || defined(OBJECTCENTER) # define Q_CC_OC /* CDS++ defines __EDG__ although this is not documented in the Reliant documentation. It also follows conventions like _BOOL and this documented */ # elif defined(sinix) # define Q_CC_CDS /* The MIPSpro compiler defines __EDG */ # elif defined(__sgi) # define Q_CC_MIPS # define Q_NO_TEMPLATE_FRIENDS # if defined(_COMPILER_VERSION) && (_COMPILER_VERSION >= 740) # define Q_OUTOFLINE_TEMPLATE inline # pragma set woff 3624,3625,3649 /* turn off some harmless warnings */ # endif # endif /* VxWorks' DIAB toolchain has an additional EDG type C++ compiler (see __DCC__ above). This one is for C mode files (__EDG is not defined) */ #elif defined(_DIAB_TOOL) # define Q_CC_DIAB # define Q_FUNC_INFO __PRETTY_FUNCTION__ /* Never tested! */ #elif defined(__HIGHC__) # define Q_CC_HIGHC #elif defined(__SUNPRO_CC) || defined(__SUNPRO_C) # define Q_CC_SUN # define Q_COMPILER_MANGLES_RETURN_TYPE /* 5.0 compiler or better 'bool' is enabled by default but can be disabled using -features=nobool in which case _BOOL is not defined this is the default in 4.2 compatibility mode triggered by -compat=4 */ # if __SUNPRO_CC >= 0x500 # define QT_NO_TEMPLATE_TEMPLATE_PARAMETERS /* see http://developers.sun.com/sunstudio/support/Ccompare.html */ # if __SUNPRO_CC >= 0x590 # define Q_ALIGNOF(type) __alignof__(type) # define Q_TYPEOF(expr) __typeof__(expr) # define Q_DECL_ALIGN(n) __attribute__((__aligned__(n))) # endif # if __SUNPRO_CC >= 0x550 # define Q_DECL_EXPORT __global # endif # if __SUNPRO_CC < 0x5a0 # define Q_NO_TEMPLATE_FRIENDS # endif # if !defined(_BOOL) # error "Compiler not supported" # endif /* 4.2 compiler or older */ # else # error "Compiler not supported" # endif /* CDS++ does not seem to define __EDG__ or __EDG according to Reliant documentation but nevertheless uses EDG conventions like _BOOL */ #elif defined(sinix) # define Q_CC_EDG # define Q_CC_CDS # if !defined(_BOOL) # error "Compiler not supported" # endif # define Q_BROKEN_TEMPLATE_SPECIALIZATION #elif defined(Q_OS_HPUX) /* __HP_aCC was not defined in first aCC releases */ # if defined(__HP_aCC) || __cplusplus >= 199707L # define Q_NO_TEMPLATE_FRIENDS # define Q_CC_HPACC # define Q_FUNC_INFO __PRETTY_FUNCTION__ # if __HP_aCC-0 < 060000 # define QT_NO_TEMPLATE_TEMPLATE_PARAMETERS # define Q_DECL_EXPORT __declspec(dllexport) # define Q_DECL_IMPORT __declspec(dllimport) # endif # if __HP_aCC-0 >= 061200 # define Q_DECL_ALIGN(n) __attribute__((aligned(n))) # endif # if __HP_aCC-0 >= 062000 # define Q_DECL_EXPORT __attribute__((visibility("default"))) # define Q_DECL_HIDDEN __attribute__((visibility("hidden"))) # define Q_DECL_IMPORT Q_DECL_EXPORT # endif # else # error "Compiler not supported" # endif #else # error "Qt has not been tested with this compiler - see http://www.qt-project.org/" #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 * Not using wrapper macros, per http://eel.is/c++draft/cpp.cond#7.sentence-2 */ #ifndef __has_builtin # define __has_builtin(x) 0 #endif #ifndef __has_feature # define __has_feature(x) 0 #endif #ifndef __has_attribute # define __has_attribute(x) 0 #endif #ifndef __has_cpp_attribute # define __has_cpp_attribute(x) 0 #endif #ifndef __has_include # define __has_include(x) 0 #endif #ifndef __has_include_next # define __has_include_next(x) 0 #endif // Kept around until all submodules have transitioned #define QT_HAS_BUILTIN(x) __has_builtin(x) #define QT_HAS_FEATURE(x) __has_feature(x) #define QT_HAS_ATTRIBUTE(x) __has_attribute(x) #define QT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) #define QT_HAS_INCLUDE(x) __has_include(x) #define QT_HAS_INCLUDE_NEXT(x) __has_include_next(x) /* * C++11 support * * Paper Macro SD-6 macro * N2341 Q_COMPILER_ALIGNAS * N2341 Q_COMPILER_ALIGNOF * N2427 Q_COMPILER_ATOMICS * 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 __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 * N1987 Q_COMPILER_EXTERN_TEMPLATES * N2540 Q_COMPILER_INHERITING_CONSTRUCTORS * N2672 Q_COMPILER_INITIALIZER_LISTS * 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 __cpp_raw_strings = 200710 * N2439 Q_COMPILER_REF_QUALIFIERS * 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 * 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 __cpp_variadic_templates = 200704 * * 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 __cplusplus # if __cplusplus < 201103L && !defined(Q_CC_MSVC) # error Qt requires a C++11 compiler and yours does not seem to be that. # endif #endif #if defined(Q_CC_INTEL) && !defined(Q_CC_MSVC) # 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 # if __INTEL_COMPILER >= 1310 && !defined(_WIN32) // ICC supports C++14 binary literals in C, C++98, and C++11 modes // at least since 13.1, but I can't test further back # define Q_COMPILER_BINARY_LITERALS # endif # if __cplusplus >= 201103L || defined(__INTEL_CXX11_MODE__) # if __INTEL_COMPILER >= 1200 # define Q_COMPILER_AUTO_TYPE # define Q_COMPILER_CLASS_ENUM # define Q_COMPILER_DECLTYPE # define Q_COMPILER_DEFAULT_MEMBERS # define Q_COMPILER_DELETE_MEMBERS # define Q_COMPILER_EXTERN_TEMPLATES # define Q_COMPILER_LAMBDA # define Q_COMPILER_RVALUE_REFS # define Q_COMPILER_STATIC_ASSERT # define Q_COMPILER_VARIADIC_MACROS # endif # if __INTEL_COMPILER >= 1210 # define Q_COMPILER_ATTRIBUTES # define Q_COMPILER_AUTO_FUNCTION # define Q_COMPILER_NULLPTR # define Q_COMPILER_TEMPLATE_ALIAS # ifndef _CHAR16T // MSVC headers # define Q_COMPILER_UNICODE_STRINGS # endif # define Q_COMPILER_VARIADIC_TEMPLATES # endif # if __INTEL_COMPILER >= 1300 # define Q_COMPILER_ATOMICS // constexpr support is only partial //# define Q_COMPILER_CONSTEXPR # define Q_COMPILER_INITIALIZER_LISTS # define Q_COMPILER_UNIFORM_INIT # define Q_COMPILER_NOEXCEPT # endif # if __INTEL_COMPILER >= 1400 // 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_UNICODE_STRINGS # define Q_COMPILER_UNRESTRICTED_UNIONS # endif # if __INTEL_COMPILER >= 1500 # if __INTEL_COMPILER * 100 + __INTEL_COMPILER_UPDATE >= 150001 // the bug mentioned above is fixed in 15.0.1 # define Q_COMPILER_CONSTEXPR # endif # define Q_COMPILER_ALIGNAS # define Q_COMPILER_ALIGNOF # define Q_COMPILER_INHERITING_CONSTRUCTORS # define Q_COMPILER_THREAD_LOCAL # define Q_COMPILER_UDL # endif # elif defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L // C11 features supported. Only tested with ICC 17 and up. # define Q_COMPILER_STATIC_ASSERT # if __has_include() # define Q_COMPILER_THREAD_LOCAL # endif # endif #endif #if defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) && !defined(Q_CC_MSVC) /* General C++ features */ # define Q_COMPILER_RESTRICTED_VLA # define Q_COMPILER_THREADSAFE_STATICS # if __has_feature(attribute_deprecated_with_message) # define Q_DECL_DEPRECATED_X(text) __attribute__ ((__deprecated__(text))) # endif // Clang supports binary literals in C, C++98 and C++11 modes // It's been supported "since the dawn of time itself" (cf. commit 179883) # if __has_extension(cxx_binary_literals) # define Q_COMPILER_BINARY_LITERALS # endif // Variadic macros are supported for gnu++98, c++11, c99 ... since 2.9 # if Q_CC_CLANG >= 209 # if !defined(__STRICT_ANSI__) || defined(__GXX_EXPERIMENTAL_CXX0X__) \ || (defined(__cplusplus) && (__cplusplus >= 201103L)) \ || (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) # define Q_COMPILER_VARIADIC_MACROS # endif # endif /* C++11 features, see http://clang.llvm.org/cxx_status.html */ # if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) /* Detect C++ features using __has_feature(), see http://clang.llvm.org/docs/LanguageExtensions.html#cxx11 */ # if __has_feature(cxx_alignas) # define Q_COMPILER_ALIGNAS # define Q_COMPILER_ALIGNOF # endif # if __has_feature(cxx_atomic) && __has_include() # define Q_COMPILER_ATOMICS # endif # if __has_feature(cxx_attributes) # define Q_COMPILER_ATTRIBUTES # endif # if __has_feature(cxx_auto_type) # define Q_COMPILER_AUTO_FUNCTION # define Q_COMPILER_AUTO_TYPE # endif # if __has_feature(cxx_strong_enums) # define Q_COMPILER_CLASS_ENUM # endif # if __has_feature(cxx_constexpr) && Q_CC_CLANG > 302 /* CLANG 3.2 has bad/partial support */ # define Q_COMPILER_CONSTEXPR # endif # if __has_feature(cxx_decltype) /* && __has_feature(cxx_decltype_incomplete_return_types) */ # define Q_COMPILER_DECLTYPE # endif # if __has_feature(cxx_defaulted_functions) # define Q_COMPILER_DEFAULT_MEMBERS # endif # if __has_feature(cxx_deleted_functions) # define Q_COMPILER_DELETE_MEMBERS # endif # if __has_feature(cxx_delegating_constructors) # define Q_COMPILER_DELEGATING_CONSTRUCTORS # endif # if __has_feature(cxx_explicit_conversions) # define Q_COMPILER_EXPLICIT_CONVERSIONS # endif # if __has_feature(cxx_override_control) # define Q_COMPILER_EXPLICIT_OVERRIDES # endif # if __has_feature(cxx_inheriting_constructors) # define Q_COMPILER_INHERITING_CONSTRUCTORS # endif # if __has_feature(cxx_generalized_initializers) # define Q_COMPILER_INITIALIZER_LISTS # define Q_COMPILER_UNIFORM_INIT /* both covered by this feature macro, according to docs */ # endif # if __has_feature(cxx_lambdas) # define Q_COMPILER_LAMBDA # endif # if __has_feature(cxx_noexcept) # define Q_COMPILER_NOEXCEPT # endif # if __has_feature(cxx_nonstatic_member_init) # define Q_COMPILER_NONSTATIC_MEMBER_INIT # endif # if __has_feature(cxx_nullptr) # define Q_COMPILER_NULLPTR # endif # if __has_feature(cxx_range_for) # define Q_COMPILER_RANGE_FOR # endif # if __has_feature(cxx_raw_string_literals) # define Q_COMPILER_RAW_STRINGS # endif # if __has_feature(cxx_reference_qualified_functions) # define Q_COMPILER_REF_QUALIFIERS # endif # if __has_feature(cxx_rvalue_references) # define Q_COMPILER_RVALUE_REFS # endif # if __has_feature(cxx_static_assert) # define Q_COMPILER_STATIC_ASSERT # endif # if __has_feature(cxx_alias_templates) # define Q_COMPILER_TEMPLATE_ALIAS # endif # if __has_feature(cxx_thread_local) # if !defined(__FreeBSD__) /* FreeBSD clang fails on __cxa_thread_atexit */ # define Q_COMPILER_THREAD_LOCAL # endif # endif # if __has_feature(cxx_user_literals) # define Q_COMPILER_UDL # endif # if __has_feature(cxx_unicode_literals) # define Q_COMPILER_UNICODE_STRINGS # endif # if __has_feature(cxx_unrestricted_unions) # define Q_COMPILER_UNRESTRICTED_UNIONS # endif # if __has_feature(cxx_variadic_templates) # define Q_COMPILER_VARIADIC_TEMPLATES # endif /* Features that have no __has_feature() check */ # if Q_CC_CLANG >= 209 /* since clang 2.9 */ # define Q_COMPILER_EXTERN_TEMPLATES # endif # endif /* 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 //# endif # if __has_feature(cxx_generic_lambda) # define Q_COMPILER_GENERIC_LAMBDA # endif # if __has_feature(cxx_init_capture) # define Q_COMPILER_LAMBDA_CAPTURES # endif # if __has_feature(cxx_relaxed_constexpr) # define Q_COMPILER_RELAXED_CONSTEXPR_FUNCTIONS # endif # if __has_feature(cxx_decltype_auto) && __has_feature(cxx_return_type_deduction) # define Q_COMPILER_RETURN_TYPE_DEDUCTION # endif # if __has_feature(cxx_variable_templates) # define Q_COMPILER_VARIABLE_TEMPLATES # endif # if __has_feature(cxx_runtime_array) # define Q_COMPILER_VLA # endif # endif # if defined(__STDC_VERSION__) # if __has_feature(c_static_assert) # define Q_COMPILER_STATIC_ASSERT # endif # if __has_feature(c_thread_local) && __has_include() # if !defined(__FreeBSD__) /* FreeBSD clang fails on __cxa_thread_atexit */ # define Q_COMPILER_THREAD_LOCAL # endif # endif # endif #endif // Q_CC_CLANG && !Q_CC_INTEL && !Q_CC_MSVC #if defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) # ifndef Q_DECL_UNUSED # define Q_DECL_UNUSED __attribute__((__unused__)) # endif # define Q_DECL_UNUSED_MEMBER Q_DECL_UNUSED #endif #if defined(Q_CC_GNU_ONLY) # define Q_COMPILER_RESTRICTED_VLA # define Q_COMPILER_THREADSAFE_STATICS # if Q_CC_GNU >= 403 // GCC supports binary literals in C, C++98 and C++11 modes # define Q_COMPILER_BINARY_LITERALS # endif # if !defined(__STRICT_ANSI__) || defined(__GXX_EXPERIMENTAL_CXX0X__) \ || (defined(__cplusplus) && (__cplusplus >= 201103L)) \ || (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) // Variadic macros are supported for gnu++98, c++11, C99 ... since forever (gcc 2.97) # define Q_COMPILER_VARIADIC_MACROS # endif # if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L # if Q_CC_GNU >= 403 /* C++11 features supported in GCC 4.3: */ # define Q_COMPILER_DECLTYPE # define Q_COMPILER_RVALUE_REFS # define Q_COMPILER_STATIC_ASSERT # endif # if Q_CC_GNU >= 404 /* C++11 features supported in GCC 4.4: */ # define Q_COMPILER_AUTO_FUNCTION # define Q_COMPILER_AUTO_TYPE # define Q_COMPILER_EXTERN_TEMPLATES # define Q_COMPILER_UNIFORM_INIT # define Q_COMPILER_UNICODE_STRINGS # define Q_COMPILER_VARIADIC_TEMPLATES # endif # if Q_CC_GNU >= 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 # define Q_COMPILER_CLASS_ENUM # endif # if Q_CC_GNU >= 406 /* Pre-4.6 compilers implement a non-final snapshot of N2346, hence default and delete * functions are supported only if they are public. Starting from 4.6, GCC handles * final version - the access modifier is not relevant. */ # define Q_COMPILER_DEFAULT_MEMBERS # define Q_COMPILER_DELETE_MEMBERS /* C++11 features supported in GCC 4.6: */ # define Q_COMPILER_NULLPTR # define Q_COMPILER_UNRESTRICTED_UNIONS # define Q_COMPILER_RANGE_FOR # endif # if Q_CC_GNU >= 407 /* GCC 4.4 implemented and std::atomic using its old intrinsics. * However, the implementation is incomplete for most platforms until GCC 4.7: * instead, std::atomic would use an external lock. Since we need an std::atomic * that is behavior-compatible with QBasicAtomic, we only enable it here */ # define Q_COMPILER_ATOMICS /* GCC 4.6.x has problems dealing with noexcept expressions, * so turn the feature on for 4.7 and above, only */ # define Q_COMPILER_NOEXCEPT /* C++11 features supported in GCC 4.7: */ # define Q_COMPILER_NONSTATIC_MEMBER_INIT # define Q_COMPILER_DELEGATING_CONSTRUCTORS # define Q_COMPILER_EXPLICIT_OVERRIDES # define Q_COMPILER_TEMPLATE_ALIAS # define Q_COMPILER_UDL # endif # if Q_CC_GNU >= 408 # define Q_COMPILER_ATTRIBUTES # define Q_COMPILER_ALIGNAS # define Q_COMPILER_ALIGNOF # define Q_COMPILER_INHERITING_CONSTRUCTORS # define Q_COMPILER_THREAD_LOCAL # if Q_CC_GNU > 408 || __GNUC_PATCHLEVEL__ >= 1 # define Q_COMPILER_REF_QUALIFIERS # endif # endif # if Q_CC_GNU >= 500 /* GCC 4.6 introduces constexpr, but it's bugged (at least) in the whole * 4.x series, see e.g. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57694 */ # define Q_COMPILER_CONSTEXPR # endif # endif # if __cplusplus > 201103L # if Q_CC_GNU >= 409 /* 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 # endif # endif # if defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L # if Q_CC_GNU >= 407 /* C11 features supported in GCC 4.7: */ # define Q_COMPILER_STATIC_ASSERT # endif # if Q_CC_GNU >= 409 && defined(__has_include) /* C11 features supported in GCC 4.9: */ # if __has_include() # define Q_COMPILER_THREAD_LOCAL # endif # endif # endif #endif #if defined(Q_CC_MSVC) # if defined(__cplusplus) /* C++11 features supported in VC8 = VC2005: */ # define Q_COMPILER_VARIADIC_MACROS /* 2005 supports the override and final contextual keywords, in the same positions as the C++11 variants, but 'final' is called 'sealed' instead: http://msdn.microsoft.com/en-us/library/0w2w91tf%28v=vs.80%29.aspx The behavior is slightly different in C++/CLI, which requires the "virtual" keyword to be present too, so don't define for that. So don't define Q_COMPILER_EXPLICIT_OVERRIDES (since it's not the same as the C++11 version), but define the Q_DECL_* flags accordingly. */ /* C++11 features supported in VC10 = VC2010: */ # define Q_COMPILER_AUTO_FUNCTION # define Q_COMPILER_AUTO_TYPE # 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 /* C++11 features supported in VC11 = VC2012: */ # define Q_COMPILER_EXPLICIT_OVERRIDES /* ...and use std C++11 now */ # define Q_COMPILER_CLASS_ENUM # define Q_COMPILER_ATOMICS /* C++11 features in VC12 = VC2013 */ # define Q_COMPILER_DELETE_MEMBERS # define Q_COMPILER_DELEGATING_CONSTRUCTORS # define Q_COMPILER_EXPLICIT_CONVERSIONS # define Q_COMPILER_NONSTATIC_MEMBER_INIT # define Q_COMPILER_RAW_STRINGS # define Q_COMPILER_TEMPLATE_ALIAS # define Q_COMPILER_VARIADIC_TEMPLATES # define Q_COMPILER_INITIALIZER_LISTS // VC 12 SP 2 RC /* C++11 features in VC14 = VC2015 */ # define Q_COMPILER_DEFAULT_MEMBERS # define Q_COMPILER_ALIGNAS # define Q_COMPILER_ALIGNOF # define Q_COMPILER_INHERITING_CONSTRUCTORS # define Q_COMPILER_NOEXCEPT # define Q_COMPILER_RANGE_FOR # define Q_COMPILER_REF_QUALIFIERS # define Q_COMPILER_THREAD_LOCAL # define Q_COMPILER_UDL # define Q_COMPILER_UNICODE_STRINGS # define Q_COMPILER_UNRESTRICTED_UNIONS # if _MSC_FULL_VER >= 190023419 # define Q_COMPILER_ATTRIBUTES // Almost working, see https://connect.microsoft.com/VisualStudio/feedback/details/2011648 //# define Q_COMPILER_CONSTEXPR # define Q_COMPILER_THREADSAFE_STATICS # define Q_COMPILER_UNIFORM_INIT # endif # if _MSC_VER >= 1910 # define Q_COMPILER_CONSTEXPR # endif # endif /* __cplusplus */ #endif /* Q_CC_MSVC */ #ifdef Q_COMPILER_UNICODE_STRINGS # define Q_STDLIB_UNICODE_STRINGS #endif #ifdef __cplusplus # include # if defined(Q_OS_QNX) // By default, QNX 7.0 uses libc++ (from LLVM) and // QNX 6.X uses Dinkumware's libcpp. In all versions, // it is also possible to use GNU libstdc++. // For Dinkumware, some features must be disabled // (mostly because of library problems). // Dinkumware is assumed when __GLIBCXX__ (GNU libstdc++) // and _LIBCPP_VERSION (LLVM libc++) are both absent. # if !defined(__GLIBCXX__) && !defined(_LIBCPP_VERSION) // Older versions of libcpp (QNX 650) do not support C++11 features // _HAS_* macros are set to 1 by toolchains that actually include // Dinkum C++11 libcpp. # if !defined(_HAS_CPP0X) || !_HAS_CPP0X // Disable C++11 features that depend on library support # undef Q_COMPILER_INITIALIZER_LISTS # undef Q_COMPILER_RVALUE_REFS # undef Q_COMPILER_REF_QUALIFIERS # undef Q_COMPILER_NOEXCEPT // Disable C++11 library features: # undef Q_STDLIB_UNICODE_STRINGS # endif // !_HAS_CPP0X # if !defined(_HAS_NULLPTR_T) || !_HAS_NULLPTR_T # undef Q_COMPILER_NULLPTR # endif //!_HAS_NULLPTR_T # if !defined(_HAS_CONSTEXPR) || !_HAS_CONSTEXPR // The libcpp is missing constexpr keywords on important functions like std::numeric_limits<>::min() // Disable constexpr support on QNX even if the compiler supports it # undef Q_COMPILER_CONSTEXPR # endif // !_HAS_CONSTEXPR # endif // !__GLIBCXX__ && !_LIBCPP_VERSION # endif // Q_OS_QNX # if (defined(Q_CC_CLANG) || defined(Q_CC_INTEL)) && defined(Q_OS_DARWIN) # if defined(__GNUC_LIBSTD__) && ((__GNUC_LIBSTD__-0) * 100 + __GNUC_LIBSTD_MINOR__-0 <= 402) // Apple has not updated libstdc++ since 2007, which means it does not have // or std::move. Let's disable these features # undef Q_COMPILER_INITIALIZER_LISTS # undef Q_COMPILER_RVALUE_REFS # undef Q_COMPILER_REF_QUALIFIERS // Also disable , since it's clearly not there # undef Q_COMPILER_ATOMICS # endif # if defined(__cpp_lib_memory_resource) \ && ((defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 140000) \ || (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 170000)) # undef __cpp_lib_memory_resource // Only supported on macOS 14 and iOS 17 # endif # endif // defined(Q_CC_CLANG) && defined(Q_OS_DARWIN) # 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 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 # endif # if defined(Q_COMPILER_THREADSAFE_STATICS) && defined(Q_OS_MAC) // 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 /* * C++11 keywords and expressions */ #ifdef Q_COMPILER_NULLPTR # define Q_NULLPTR nullptr #else # define Q_NULLPTR NULL #endif #ifdef Q_COMPILER_DEFAULT_MEMBERS # define Q_DECL_EQ_DEFAULT = default #else # define Q_DECL_EQ_DEFAULT #endif #ifdef Q_COMPILER_DELETE_MEMBERS # define Q_DECL_EQ_DELETE = delete #else # define Q_DECL_EQ_DELETE #endif // Don't break code that is already using Q_COMPILER_DEFAULT_DELETE_MEMBERS #if defined(Q_COMPILER_DEFAULT_MEMBERS) && defined(Q_COMPILER_DELETE_MEMBERS) # define Q_COMPILER_DEFAULT_DELETE_MEMBERS #endif #if defined Q_COMPILER_CONSTEXPR # if defined(__cpp_constexpr) && __cpp_constexpr-0 >= 201304 # define Q_DECL_CONSTEXPR constexpr # define Q_DECL_RELAXED_CONSTEXPR constexpr # define Q_CONSTEXPR constexpr # define Q_RELAXED_CONSTEXPR constexpr # else # define Q_DECL_CONSTEXPR constexpr # define Q_DECL_RELAXED_CONSTEXPR # define Q_CONSTEXPR constexpr # define Q_RELAXED_CONSTEXPR const # endif #else # define Q_DECL_CONSTEXPR # define Q_DECL_RELAXED_CONSTEXPR # define Q_CONSTEXPR const # define Q_RELAXED_CONSTEXPR const #endif #ifdef Q_COMPILER_EXPLICIT_OVERRIDES # define Q_DECL_OVERRIDE override # define Q_DECL_FINAL final #else # ifndef Q_DECL_OVERRIDE # define Q_DECL_OVERRIDE # endif # ifndef Q_DECL_FINAL # define Q_DECL_FINAL # endif #endif #ifdef Q_COMPILER_NOEXCEPT # define Q_DECL_NOEXCEPT noexcept # define Q_DECL_NOEXCEPT_EXPR(x) noexcept(x) #else # define Q_DECL_NOEXCEPT # define Q_DECL_NOEXCEPT_EXPR(x) #endif #define Q_DECL_NOTHROW Q_DECL_NOEXCEPT #if defined(Q_COMPILER_ALIGNOF) # undef Q_ALIGNOF # define Q_ALIGNOF(x) alignof(x) #endif #if defined(Q_COMPILER_ALIGNAS) # undef Q_DECL_ALIGN # define Q_DECL_ALIGN(n) alignas(n) #endif #if __has_cpp_attribute(nodiscard) && !defined(Q_CC_CLANG) // P0188R1 // Can't use [[nodiscard]] with Clang, see https://bugs.llvm.org/show_bug.cgi?id=33518 # undef Q_REQUIRED_RESULT # define Q_REQUIRED_RESULT [[nodiscard]] #endif #if defined(__cpp_enumerator_attributes) && __cpp_enumerator_attributes >= 201411 #if defined(Q_CC_MSVC) // Can't mark enum values as __declspec(deprecated) with MSVC, also can't move // everything to [[deprecated]] because MSVC gives a compilation error when marking // friend methods of a class as [[deprecated("text")]], breaking qstring.h # define Q_DECL_ENUMERATOR_DEPRECATED [[deprecated]] # define Q_DECL_ENUMERATOR_DEPRECATED_X(x) [[deprecated(x)]] #else # define Q_DECL_ENUMERATOR_DEPRECATED Q_DECL_DEPRECATED # define Q_DECL_ENUMERATOR_DEPRECATED_X(x) Q_DECL_DEPRECATED_X(x) #endif #endif /* * Fallback macros to certain compiler features */ #ifndef Q_NORETURN # define Q_NORETURN #endif #ifndef Q_LIKELY # define Q_LIKELY(x) (x) #endif #ifndef Q_UNLIKELY # define Q_UNLIKELY(x) (x) #endif #ifndef Q_ASSUME_IMPL # define Q_ASSUME_IMPL(expr) qt_noop() #endif #ifndef Q_UNREACHABLE_IMPL # define Q_UNREACHABLE_IMPL() qt_noop() #endif #ifndef Q_ALLOC_SIZE # define Q_ALLOC_SIZE(x) #endif #ifndef Q_REQUIRED_RESULT # define Q_REQUIRED_RESULT #endif #ifndef Q_DECL_DEPRECATED # define Q_DECL_DEPRECATED #endif #ifndef Q_DECL_VARIABLE_DEPRECATED # define Q_DECL_VARIABLE_DEPRECATED Q_DECL_DEPRECATED #endif #ifndef Q_DECL_DEPRECATED_X # define Q_DECL_DEPRECATED_X(text) Q_DECL_DEPRECATED #endif #ifndef Q_DECL_ENUMERATOR_DEPRECATED # define Q_DECL_ENUMERATOR_DEPRECATED #endif #ifndef Q_DECL_ENUMERATOR_DEPRECATED_X # define Q_DECL_ENUMERATOR_DEPRECATED_X(x) #endif #ifndef Q_DECL_EXPORT # define Q_DECL_EXPORT #endif #ifndef Q_DECL_IMPORT # define Q_DECL_IMPORT #endif #ifndef Q_DECL_HIDDEN # define Q_DECL_HIDDEN #endif #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)" # else # define Q_FUNC_INFO __FILE__ ":" QT_STRINGIFY(__LINE__) # endif #endif #ifndef Q_DECL_CF_RETURNS_RETAINED # define Q_DECL_CF_RETURNS_RETAINED #endif #ifndef Q_DECL_NS_RETURNS_AUTORELEASED # define Q_DECL_NS_RETURNS_AUTORELEASED #endif #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 #ifndef Q_DECL_COLD_FUNCTION # define Q_DECL_COLD_FUNCTION #endif #ifndef QT_MAKE_UNCHECKED_ARRAY_ITERATOR # define QT_MAKE_UNCHECKED_ARRAY_ITERATOR(x) (x) #endif #ifndef QT_MAKE_CHECKED_ARRAY_ITERATOR # define QT_MAKE_CHECKED_ARRAY_ITERATOR(x, N) (x) #endif /* * "Weak overloads" - makes an otherwise confliciting overload weaker * (by making it a template) */ #ifndef Q_CLANG_QDOC # define Q_WEAK_OVERLOAD template #else # define Q_WEAK_OVERLOAD #endif /* * Warning/diagnostic handling */ #define QT_DO_PRAGMA(text) _Pragma(#text) #if defined(Q_CC_INTEL) && defined(Q_CC_MSVC) /* icl.exe: Intel compiler on Windows */ # undef QT_DO_PRAGMA /* not needed */ # define QT_WARNING_PUSH __pragma(warning(push)) # define QT_WARNING_POP __pragma(warning(pop)) # define QT_WARNING_DISABLE_MSVC(number) # define QT_WARNING_DISABLE_INTEL(number) __pragma(warning(disable: number)) # define QT_WARNING_DISABLE_CLANG(text) # define QT_WARNING_DISABLE_GCC(text) # define QT_WARNING_DISABLE_DEPRECATED QT_WARNING_DISABLE_INTEL(1478 1786) #elif defined(Q_CC_INTEL) /* icc: Intel compiler on Linux or OS X */ # define QT_WARNING_PUSH QT_DO_PRAGMA(warning(push)) # define QT_WARNING_POP QT_DO_PRAGMA(warning(pop)) # define QT_WARNING_DISABLE_INTEL(number) QT_DO_PRAGMA(warning(disable: number)) # define QT_WARNING_DISABLE_MSVC(number) # define QT_WARNING_DISABLE_CLANG(text) # define QT_WARNING_DISABLE_GCC(text) # define QT_WARNING_DISABLE_DEPRECATED QT_WARNING_DISABLE_INTEL(1478 1786) #elif defined(Q_CC_MSVC) && !defined(Q_CC_CLANG) # undef QT_DO_PRAGMA /* not needed */ # define QT_WARNING_PUSH __pragma(warning(push)) # define QT_WARNING_POP __pragma(warning(pop)) # define QT_WARNING_DISABLE_MSVC(number) __pragma(warning(disable: number)) # define QT_WARNING_DISABLE_INTEL(number) # define QT_WARNING_DISABLE_CLANG(text) # define QT_WARNING_DISABLE_GCC(text) # define QT_WARNING_DISABLE_DEPRECATED QT_WARNING_DISABLE_MSVC(4996) #elif defined(Q_CC_CLANG) # define QT_WARNING_PUSH QT_DO_PRAGMA(clang diagnostic push) # define QT_WARNING_POP QT_DO_PRAGMA(clang diagnostic pop) # define QT_WARNING_DISABLE_CLANG(text) QT_DO_PRAGMA(clang diagnostic ignored text) # define QT_WARNING_DISABLE_GCC(text) # define QT_WARNING_DISABLE_INTEL(number) # define QT_WARNING_DISABLE_MSVC(number) # define QT_WARNING_DISABLE_DEPRECATED QT_WARNING_DISABLE_CLANG("-Wdeprecated-declarations") #elif defined(Q_CC_GNU) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 406) # define QT_WARNING_PUSH QT_DO_PRAGMA(GCC diagnostic push) # define QT_WARNING_POP QT_DO_PRAGMA(GCC diagnostic pop) # define QT_WARNING_DISABLE_GCC(text) QT_DO_PRAGMA(GCC diagnostic ignored text) # define QT_WARNING_DISABLE_CLANG(text) # define QT_WARNING_DISABLE_INTEL(number) # define QT_WARNING_DISABLE_MSVC(number) # define QT_WARNING_DISABLE_DEPRECATED QT_WARNING_DISABLE_GCC("-Wdeprecated-declarations") #else // All other compilers, GCC < 4.6 and MSVC < 2008 # define QT_WARNING_DISABLE_GCC(text) # define QT_WARNING_PUSH # define QT_WARNING_POP # define QT_WARNING_DISABLE_INTEL(number) # define QT_WARNING_DISABLE_MSVC(number) # define QT_WARNING_DISABLE_CLANG(text) # define QT_WARNING_DISABLE_GCC(text) # define QT_WARNING_DISABLE_DEPRECATED #endif #ifndef QT_IGNORE_DEPRECATIONS #define QT_IGNORE_DEPRECATIONS(statement) \ QT_WARNING_PUSH \ QT_WARNING_DISABLE_DEPRECATED \ statement \ QT_WARNING_POP #endif /* Proper for-scoping in MIPSpro CC */ #ifndef QT_NO_KEYWORDS # if defined(Q_CC_MIPS) || (defined(Q_CC_HPACC) && defined(__ia64)) # define for if (0) {} else for # endif #endif #ifdef Q_COMPILER_RVALUE_REFS #define qMove(x) std::move(x) #else #define qMove(x) (x) #endif #define Q_UNREACHABLE() \ do {\ Q_ASSERT_X(false, "Q_UNREACHABLE()", "Q_UNREACHABLE was reached");\ Q_UNREACHABLE_IMPL();\ } while (false) #define Q_ASSUME(Expr) \ do {\ const bool valueOfExpression = Expr;\ Q_ASSERT_X(valueOfExpression, "Q_ASSUME()", "Assumption in Q_ASSUME(\"" #Expr "\") was not correct");\ Q_ASSUME_IMPL(valueOfExpression);\ } while (false) #if defined(__cplusplus) #if __has_cpp_attribute(clang::fallthrough) # define Q_FALLTHROUGH() [[clang::fallthrough]] #elif __has_cpp_attribute(gnu::fallthrough) # define Q_FALLTHROUGH() [[gnu::fallthrough]] #elif __has_cpp_attribute(fallthrough) # define Q_FALLTHROUGH() [[fallthrough]] #endif #endif #ifndef Q_FALLTHROUGH # if (defined(Q_CC_GNU) && Q_CC_GNU >= 700) && !defined(Q_CC_INTEL) # define Q_FALLTHROUGH() __attribute__((fallthrough)) # else # define Q_FALLTHROUGH() (void)0 #endif #endif /* Sanitize compiler feature availability */ #if !defined(Q_PROCESSOR_X86) # undef QT_COMPILER_SUPPORTS_SSE2 # undef QT_COMPILER_SUPPORTS_SSE3 # undef QT_COMPILER_SUPPORTS_SSSE3 # undef QT_COMPILER_SUPPORTS_SSE4_1 # undef QT_COMPILER_SUPPORTS_SSE4_2 # undef QT_COMPILER_SUPPORTS_AVX # undef QT_COMPILER_SUPPORTS_AVX2 # undef QT_COMPILER_SUPPORTS_F16C #endif #if !defined(Q_PROCESSOR_ARM) # undef QT_COMPILER_SUPPORTS_NEON #endif #if !defined(Q_PROCESSOR_MIPS) # undef QT_COMPILER_SUPPORTS_MIPS_DSP # undef QT_COMPILER_SUPPORTS_MIPS_DSPR2 #endif #endif // QCOMPILERDETECTION_H