diff options
author | Bradley T. Hughes <bradley.hughes@nokia.com> | 2012-02-04 14:20:32 +0100 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-02-06 14:32:32 +0100 |
commit | 475cef58f96d1d274e5c7b448df7231415783af0 (patch) | |
tree | 5daf0ffc694eff493c8fb99f07e391bbd457f70c /src/corelib/global | |
parent | ba3dc5f3b56d1fab6fe37fe7ae08096d7dc68bcb (diff) |
Move compiler detection from qglobal.h to a separate header
qcompilerdetection.h is included from qglobal.h, and does all Q_CC_*
and compiler feature detection.
Change-Id: Idd06054e172ef6fa73774e26fa38753996c4161b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/global')
-rw-r--r-- | src/corelib/global/global.pri | 1 | ||||
-rw-r--r-- | src/corelib/global/qcompilerdetection.h | 551 | ||||
-rw-r--r-- | src/corelib/global/qglobal.h | 493 |
3 files changed, 553 insertions, 492 deletions
diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri index ded3e4db57..e00917c805 100644 --- a/src/corelib/global/global.pri +++ b/src/corelib/global/global.pri @@ -3,6 +3,7 @@ HEADERS += \ global/qglobal.h \ global/qsystemdetection.h \ + global/qcompilerdetection.h \ global/qnamespace.h \ global/qendian.h \ global/qnumeric_p.h \ diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h new file mode 100644 index 0000000000..7621b76f54 --- /dev/null +++ b/src/corelib/global/qcompilerdetection.h @@ -0,0 +1,551 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QCOMPILERDETECTION_H +#define QCOMPILERDETECTION_H + +#if 0 +// header is automatically included in qglobal.h +#pragma qt_no_master_include + +// silence syncqt warnings (QT_* macros are not yet defined) +QT_BEGIN_HEADER +QT_BEGIN_NAMESPACE + +QT_END_NAMESPACE +QT_END_HEADER + +#pragma qt_sync_stop_processing +#endif + +/* + The compiler, must be one of: (Q_CC_x) + + 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. +*/ + +/* 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 +# define Q_NO_EXPLICIT_KEYWORD +# endif +# define Q_NO_USING_KEYWORD + +#elif defined(_MSC_VER) +# define Q_CC_MSVC +# define Q_CC_MSVC_NET +# define Q_CANNOT_DELETE_CONSTANT +# define Q_OUTOFLINE_TEMPLATE inline +# define Q_NO_TEMPLATE_FRIENDS +# define Q_ALIGNOF(type) __alignof(type) +# define Q_DECL_ALIGN(n) __declspec(align(n)) +/* Intel C++ disguising as Visual C++: the `using' keyword avoids warnings */ +# if defined(__INTEL_COMPILER) +# define Q_CC_INTEL +# endif +/* MSVC does not support SSE/MMX on x64 */ +# if (defined(Q_CC_MSVC) && defined(_M_X64)) +# undef QT_HAVE_SSE +# undef QT_HAVE_MMX +# undef QT_HAVE_3DNOW +# endif + +#if defined(Q_CC_MSVC) && _MSC_VER >= 1600 +# define Q_COMPILER_RVALUE_REFS +# define Q_COMPILER_AUTO_TYPE +# define Q_COMPILER_LAMBDA +# define Q_COMPILER_DECLTYPE +# define Q_COMPILER_STATIC_ASSERT +// MSCV has std::initilizer_list, but do not support the braces initialization +//# define Q_COMPILER_INITIALIZER_LISTS +# endif + + +#elif defined(__BORLANDC__) || defined(__TURBOC__) +# define Q_CC_BOR +# define Q_INLINE_TEMPLATE +# if __BORLANDC__ < 0x502 +# define Q_NO_BOOL_TYPE +# define Q_NO_EXPLICIT_KEYWORD +# endif +# define Q_NO_USING_KEYWORD + +#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 +# if __TARGET_ARCH_ARM >= 6 +# define QT_HAVE_ARMV6 +# endif +/* work-around for missing compiler intrinsics */ +# define __is_empty(X) false +# define __is_pod(X) false +#elif defined(__GNUC__) +# define Q_CC_GNU +# define Q_C_CALLBACKS +# if defined(__MINGW32__) +# define Q_CC_MINGW +# endif +# if defined(__INTEL_COMPILER) +/* Intel C++ also masquerades as GCC 3.2.0 */ +# define Q_CC_INTEL +# endif +# if defined(__clang__) +/* Clang also masquerades as GCC 4.2.1 */ +# define Q_CC_CLANG +# endif +# ifdef __APPLE__ +# define Q_NO_DEPRECATED_CONSTRUCTORS +# endif +# if __GNUC__ == 2 && __GNUC_MINOR__ <= 7 +# define Q_FULL_TEMPLATE_INSTANTIATION +# endif +/* GCC 2.95 knows "using" but does not support it correctly */ +# if __GNUC__ == 2 && __GNUC_MINOR__ <= 95 +# define Q_NO_USING_KEYWORD +# endif +# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) +# define Q_ALIGNOF(type) __alignof__(type) +# define Q_TYPEOF(expr) __typeof__(expr) +# define Q_DECL_ALIGN(n) __attribute__((__aligned__(n))) +# endif +# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define Q_LIKELY(expr) __builtin_expect(!!(expr), true) +# define Q_UNLIKELY(expr) __builtin_expect(!!(expr), false) +# endif +/* GCC 3.1 and GCC 3.2 wrongly define _SB_CTYPE_MACROS on HP-UX */ +# if defined(Q_OS_HPUX) && __GNUC__ == 3 && __GNUC_MINOR__ >= 1 +# define Q_WRONG_SB_CTYPE_MACROS +# endif +/* GCC <= 3.3 cannot handle template friends */ +# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ <= 3) +# define Q_NO_TEMPLATE_FRIENDS +# endif +/* Apple's GCC 3.1 chokes on our streaming qDebug() */ +# if defined(Q_OS_DARWIN) && __GNUC__ == 3 && (__GNUC_MINOR__ >= 1 && __GNUC_MINOR__ < 3) +# define Q_BROKEN_DEBUG_STREAM +# endif +# if (defined(Q_CC_GNU) || defined(Q_CC_INTEL)) && !defined(QT_MOC_CPP) +# define Q_PACKED __attribute__ ((__packed__)) +# define Q_NO_PACKED_REFERENCE +# ifndef __ARM_EABI__ +# define QT_NO_ARM_EABI +# endif +# endif +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 403 +# define Q_ALLOC_SIZE(x) __attribute__((alloc_size(x))) +# endif +# if defined(__GXX_EXPERIMENTAL_CXX0X__) && !defined(__clang__) /* clang C++11 enablers are found below, don't do them here */ +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 403 + /* C++0x features supported in GCC 4.3: */ +# define Q_COMPILER_VARIADIC_MACROS +# define Q_COMPILER_RVALUE_REFS +# define Q_COMPILER_DECLTYPE +# define Q_COMPILER_STATIC_ASSERT +# endif +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 404 + /* C++0x features supported in GCC 4.4: */ +# define Q_COMPILER_UNICODE_STRINGS +# define Q_COMPILER_VARIADIC_TEMPLATES +# define Q_COMPILER_AUTO_TYPE +# define Q_COMPILER_EXTERN_TEMPLATES +# define Q_COMPILER_DEFAULT_DELETE_MEMBERS +# define Q_COMPILER_CLASS_ENUM +# define Q_COMPILER_INITIALIZER_LISTS +# define Q_COMPILER_ATOMICS +# endif +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 405 + /* C++0x features supported in GCC 4.5: */ +# define Q_COMPILER_LAMBDA +# endif +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 406 + /* C++0x features supported in GCC 4.6: */ +# define Q_COMPILER_NULLPTR +# define Q_COMPILER_CONSTEXPR +# define Q_COMPILER_UNRESTRICTED_UNIONS +# define Q_COMPILER_RANGE_FOR +# endif +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 407 + /* C++0x features supported in GCC 4.7: */ +# define Q_COMPILER_EXPLICIT_OVERRIDES +# endif + +# 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 +# define Q_NO_BOOL_TYPE +# define Q_NO_EXPLICIT_KEYWORD +# define Q_NO_USING_KEYWORD +# define Q_OUTOFLINE_TEMPLATE inline +# define Q_BROKEN_TEMPLATE_SPECIALIZATION +# define Q_CANNOT_DELETE_CONSTANT +# 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 have disabled EDG's _BOOL macro and use _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) +# define Q_NO_BOOL_TYPE +# endif +/* Spurious (?) error messages observed on Compaq C++ V6.5-014. */ +# define Q_NO_USING_KEYWORD +/* 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 +# define Q_CANNOT_DELETE_CONSTANT +# 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++): + _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) +# define Q_NO_BOOL_TYPE +# endif + +/* The Comeau compiler is based on EDG and does define __EDG__ */ +# if defined(__COMO__) +# define Q_CC_COMEAU +# define Q_C_CALLBACKS + +/* 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 +# define Q_NO_USING_KEYWORD + +/* Using the `using' keyword avoids Intel C++ for Linux warnings */ +# elif defined(__INTEL_COMPILER) +# define Q_CC_INTEL + +/* Uses CFront, make sure to read the manual how to tweak templates. */ +# elif defined(__ghs) +# define Q_CC_GHS + +# elif defined(__DCC__) +# define Q_CC_DIAB +# undef Q_NO_BOOL_TYPE +# if !defined(__bool) +# define Q_NO_BOOL_TYPE +# 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 +# define Q_NO_USING_KEYWORD /* ### check "using" status */ + +/* Never tested! */ +# elif defined(CENTERLINE_CLPP) || defined(OBJECTCENTER) +# define Q_CC_OC +# define Q_NO_USING_KEYWORD + +/* 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 +# define Q_NO_USING_KEYWORD + +/* The MIPSpro compiler defines __EDG */ +# elif defined(__sgi) +# define Q_CC_MIPS +# define Q_NO_USING_KEYWORD /* ### check "using" status */ +# 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 + +/* Never tested! */ +#elif defined(__HIGHC__) +# define Q_CC_HIGHC + +#elif defined(__SUNPRO_CC) || defined(__SUNPRO_C) +# define Q_CC_SUN +/* 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) +# define Q_NO_BOOL_TYPE +# endif +# if defined(__SUNPRO_CC_COMPAT) && (__SUNPRO_CC_COMPAT <= 4) +# define Q_NO_USING_KEYWORD +# endif +# define Q_C_CALLBACKS +/* 4.2 compiler or older */ +# else +# define Q_NO_BOOL_TYPE +# define Q_NO_EXPLICIT_KEYWORD +# define Q_NO_USING_KEYWORD +# 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) +# define Q_NO_BOOL_TYPE +# 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 +# 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 +# define Q_CC_HP +# define Q_NO_BOOL_TYPE +# define Q_FULL_TEMPLATE_INSTANTIATION +# define Q_BROKEN_TEMPLATE_SPECIALIZATION +# define Q_NO_EXPLICIT_KEYWORD +# endif +# define Q_NO_USING_KEYWORD /* ### check "using" status */ + +#else +# error "Qt has not been tested with this compiler - see http://www.qt-project.org/" +#endif + + +#ifdef Q_CC_INTEL +# if __INTEL_COMPILER < 1200 +# define Q_NO_TEMPLATE_FRIENDS +# endif +# if defined(__GXX_EXPERIMENTAL_CXX0X__) || defined(__GXX_EXPERIMENTAL_CPP0X__) +# if __INTEL_COMPILER >= 1200 +# define Q_COMPILER_RVALUE_REFS +# define Q_COMPILER_EXTERN_TEMPLATES +# define Q_COMPILER_DECLTYPE +# define Q_COMPILER_VARIADIC_TEMPLATES +# define Q_COMPILER_AUTO_TYPE +# define Q_COMPILER_DEFAULT_DELETE_MEMBERS +# define Q_COMPILER_CLASS_ENUM +# define Q_COMPILER_LAMBDA +# define Q_COMPILER_STATIC_ASSERT +# endif +# endif +#endif + +#ifdef Q_CC_CLANG +/* General C++ features */ +# if !__has_feature(cxx_exceptions) +# define QT_NO_EXCEPTIONS +# endif +# if !__has_feature(cxx_rtti) +# define QT_NO_RTTI +# endif +/* C++11 features, see http://clang.llvm.org/cxx_status.html */ +# if __cplusplus >= 201103L || __GXX_EXPERIMENTAL_CXX0X__ +# if ((__clang_major__ * 100) + __clang_minor__) >= 209 /* since clang 2.9 */ +# define Q_COMPILER_AUTO_TYPE +# define Q_COMPILER_DECLTYPE +# define Q_COMPILER_EXTERN_TEMPLATES +# define Q_COMPILER_RVALUE_REFS +# define Q_COMPILER_STATIC_ASSERT +# define Q_COMPILER_VARIADIC_MACROS +# define Q_COMPILER_VARIADIC_TEMPLATES +# endif +# if ((__clang_major__ * 100) + __clang_minor__) >= 300 /* since clang 3.0 */ +# define Q_COMPILER_CLASS_ENUM + /* defaulted members in 3.0, deleted members in 2.9 */ +# define Q_COMPILER_DEFAULT_DELETE_MEMBERS +# define Q_COMPILER_EXPLICIT_OVERRIDES +# define Q_COMPILER_NULLPTR +# define Q_COMPILER_RANGE_FOR +# define Q_COMPILER_UNICODE_STRINGS +# endif + /* not implemented in clang yet */ +# if __has_feature(cxx_constexpr) +# define Q_COMPILER_CONSTEXPR +# endif +# if __has_feature(cxx_lambdas) +# define Q_COMPILER_LAMBDA +# endif +# if __has_feature(cxx_generalized_initializers) +# define Q_COMPILER_INITIALIZER_LISTS +# endif +# if __has_feature(cxx_unrestricted_unions) +# define Q_COMPILER_UNRESTRICTED_UNIONS +# endif +# if 0 +# define Q_COMPILER_ATOMICS +# endif +# endif +#endif // Q_CC_CLANG + +#ifndef Q_COMPILER_MANGLES_RETURN_TYPE +# if defined(Q_CC_MSVC) +# define Q_COMPILER_MANGLES_RETURN_TYPE +# endif +#endif + +#endif // QCOMPILERDETECTION_H diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index 6cb3cc2f44..dea96b297e 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -63,6 +63,7 @@ #endif #include <QtCore/qsystemdetection.h> +#include <QtCore/qcompilerdetection.h> #ifdef __cplusplus @@ -149,492 +150,6 @@ namespace QT_NAMESPACE {} # define QT_LARGEFILE_SUPPORT 64 #endif -/* - The compiler, must be one of: (Q_CC_x) - - 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. -*/ - -/* 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 -# define Q_NO_EXPLICIT_KEYWORD -# endif -# define Q_NO_USING_KEYWORD - -#elif defined(_MSC_VER) -# define Q_CC_MSVC -# define Q_CC_MSVC_NET -# define Q_CANNOT_DELETE_CONSTANT -# define Q_OUTOFLINE_TEMPLATE inline -# define Q_NO_TEMPLATE_FRIENDS -# define Q_ALIGNOF(type) __alignof(type) -# define Q_DECL_ALIGN(n) __declspec(align(n)) -/* Intel C++ disguising as Visual C++: the `using' keyword avoids warnings */ -# if defined(__INTEL_COMPILER) -# define Q_CC_INTEL -# endif -/* MSVC does not support SSE/MMX on x64 */ -# if (defined(Q_CC_MSVC) && defined(_M_X64)) -# undef QT_HAVE_SSE -# undef QT_HAVE_MMX -# undef QT_HAVE_3DNOW -# endif - -#if defined(Q_CC_MSVC) && _MSC_VER >= 1600 -# define Q_COMPILER_RVALUE_REFS -# define Q_COMPILER_AUTO_TYPE -# define Q_COMPILER_LAMBDA -# define Q_COMPILER_DECLTYPE -# define Q_COMPILER_STATIC_ASSERT -// MSCV has std::initilizer_list, but do not support the braces initialization -//# define Q_COMPILER_INITIALIZER_LISTS -# endif - - -#elif defined(__BORLANDC__) || defined(__TURBOC__) -# define Q_CC_BOR -# define Q_INLINE_TEMPLATE -# if __BORLANDC__ < 0x502 -# define Q_NO_BOOL_TYPE -# define Q_NO_EXPLICIT_KEYWORD -# endif -# define Q_NO_USING_KEYWORD - -#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 -# if __TARGET_ARCH_ARM >= 6 -# define QT_HAVE_ARMV6 -# endif -/* work-around for missing compiler intrinsics */ -# define __is_empty(X) false -# define __is_pod(X) false -#elif defined(__GNUC__) -# define Q_CC_GNU -# define Q_C_CALLBACKS -# if defined(__MINGW32__) -# define Q_CC_MINGW -# endif -# if defined(__INTEL_COMPILER) -/* Intel C++ also masquerades as GCC 3.2.0 */ -# define Q_CC_INTEL -# endif -# if defined(__clang__) -/* Clang also masquerades as GCC 4.2.1 */ -# define Q_CC_CLANG -# endif -# ifdef __APPLE__ -# define Q_NO_DEPRECATED_CONSTRUCTORS -# endif -# if __GNUC__ == 2 && __GNUC_MINOR__ <= 7 -# define Q_FULL_TEMPLATE_INSTANTIATION -# endif -/* GCC 2.95 knows "using" but does not support it correctly */ -# if __GNUC__ == 2 && __GNUC_MINOR__ <= 95 -# define Q_NO_USING_KEYWORD -# endif -# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) -# define Q_ALIGNOF(type) __alignof__(type) -# define Q_TYPEOF(expr) __typeof__(expr) -# define Q_DECL_ALIGN(n) __attribute__((__aligned__(n))) -# endif -# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) -# define Q_LIKELY(expr) __builtin_expect(!!(expr), true) -# define Q_UNLIKELY(expr) __builtin_expect(!!(expr), false) -# endif -/* GCC 3.1 and GCC 3.2 wrongly define _SB_CTYPE_MACROS on HP-UX */ -# if defined(Q_OS_HPUX) && __GNUC__ == 3 && __GNUC_MINOR__ >= 1 -# define Q_WRONG_SB_CTYPE_MACROS -# endif -/* GCC <= 3.3 cannot handle template friends */ -# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ <= 3) -# define Q_NO_TEMPLATE_FRIENDS -# endif -/* Apple's GCC 3.1 chokes on our streaming qDebug() */ -# if defined(Q_OS_DARWIN) && __GNUC__ == 3 && (__GNUC_MINOR__ >= 1 && __GNUC_MINOR__ < 3) -# define Q_BROKEN_DEBUG_STREAM -# endif -# if (defined(Q_CC_GNU) || defined(Q_CC_INTEL)) && !defined(QT_MOC_CPP) -# define Q_PACKED __attribute__ ((__packed__)) -# define Q_NO_PACKED_REFERENCE -# ifndef __ARM_EABI__ -# define QT_NO_ARM_EABI -# endif -# endif -# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 403 -# define Q_ALLOC_SIZE(x) __attribute__((alloc_size(x))) -# endif -# if defined(__GXX_EXPERIMENTAL_CXX0X__) && !defined(__clang__) /* clang C++11 enablers are found below, don't do them here */ -# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 403 - /* C++0x features supported in GCC 4.3: */ -# define Q_COMPILER_VARIADIC_MACROS -# define Q_COMPILER_RVALUE_REFS -# define Q_COMPILER_DECLTYPE -# define Q_COMPILER_STATIC_ASSERT -# endif -# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 404 - /* C++0x features supported in GCC 4.4: */ -# define Q_COMPILER_UNICODE_STRINGS -# define Q_COMPILER_VARIADIC_TEMPLATES -# define Q_COMPILER_AUTO_TYPE -# define Q_COMPILER_EXTERN_TEMPLATES -# define Q_COMPILER_DEFAULT_DELETE_MEMBERS -# define Q_COMPILER_CLASS_ENUM -# define Q_COMPILER_INITIALIZER_LISTS -# define Q_COMPILER_ATOMICS -# endif -# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 405 - /* C++0x features supported in GCC 4.5: */ -# define Q_COMPILER_LAMBDA -# endif -# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 406 - /* C++0x features supported in GCC 4.6: */ -# define Q_COMPILER_NULLPTR -# define Q_COMPILER_CONSTEXPR -# define Q_COMPILER_UNRESTRICTED_UNIONS -# define Q_COMPILER_RANGE_FOR -# endif -# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 407 - /* C++0x features supported in GCC 4.7: */ -# define Q_COMPILER_EXPLICIT_OVERRIDES -# endif - -# 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 -# define Q_NO_BOOL_TYPE -# define Q_NO_EXPLICIT_KEYWORD -# define Q_NO_USING_KEYWORD -# define Q_OUTOFLINE_TEMPLATE inline -# define Q_BROKEN_TEMPLATE_SPECIALIZATION -# define Q_CANNOT_DELETE_CONSTANT -# 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 have disabled EDG's _BOOL macro and use _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) -# define Q_NO_BOOL_TYPE -# endif -/* Spurious (?) error messages observed on Compaq C++ V6.5-014. */ -# define Q_NO_USING_KEYWORD -/* 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 -# define Q_CANNOT_DELETE_CONSTANT -# 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++): - _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) -# define Q_NO_BOOL_TYPE -# endif - -/* The Comeau compiler is based on EDG and does define __EDG__ */ -# if defined(__COMO__) -# define Q_CC_COMEAU -# define Q_C_CALLBACKS - -/* 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 -# define Q_NO_USING_KEYWORD - -/* Using the `using' keyword avoids Intel C++ for Linux warnings */ -# elif defined(__INTEL_COMPILER) -# define Q_CC_INTEL - -/* Uses CFront, make sure to read the manual how to tweak templates. */ -# elif defined(__ghs) -# define Q_CC_GHS - -# elif defined(__DCC__) -# define Q_CC_DIAB -# undef Q_NO_BOOL_TYPE -# if !defined(__bool) -# define Q_NO_BOOL_TYPE -# 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 -# define Q_NO_USING_KEYWORD /* ### check "using" status */ - -/* Never tested! */ -# elif defined(CENTERLINE_CLPP) || defined(OBJECTCENTER) -# define Q_CC_OC -# define Q_NO_USING_KEYWORD - -/* 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 -# define Q_NO_USING_KEYWORD - -/* The MIPSpro compiler defines __EDG */ -# elif defined(__sgi) -# define Q_CC_MIPS -# define Q_NO_USING_KEYWORD /* ### check "using" status */ -# 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 - -/* Never tested! */ -#elif defined(__HIGHC__) -# define Q_CC_HIGHC - -#elif defined(__SUNPRO_CC) || defined(__SUNPRO_C) -# define Q_CC_SUN -/* 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) -# define Q_NO_BOOL_TYPE -# endif -# if defined(__SUNPRO_CC_COMPAT) && (__SUNPRO_CC_COMPAT <= 4) -# define Q_NO_USING_KEYWORD -# endif -# define Q_C_CALLBACKS -/* 4.2 compiler or older */ -# else -# define Q_NO_BOOL_TYPE -# define Q_NO_EXPLICIT_KEYWORD -# define Q_NO_USING_KEYWORD -# 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) -# define Q_NO_BOOL_TYPE -# 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 -# 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 -# define Q_CC_HP -# define Q_NO_BOOL_TYPE -# define Q_FULL_TEMPLATE_INSTANTIATION -# define Q_BROKEN_TEMPLATE_SPECIALIZATION -# define Q_NO_EXPLICIT_KEYWORD -# endif -# define Q_NO_USING_KEYWORD /* ### check "using" status */ - -#else -# error "Qt has not been tested with this compiler - see http://www.qt-project.org/" -#endif - - -#ifdef Q_CC_INTEL -# if __INTEL_COMPILER < 1200 -# define Q_NO_TEMPLATE_FRIENDS -# endif -# if defined(__GXX_EXPERIMENTAL_CXX0X__) || defined(__GXX_EXPERIMENTAL_CPP0X__) -# if __INTEL_COMPILER >= 1200 -# define Q_COMPILER_RVALUE_REFS -# define Q_COMPILER_EXTERN_TEMPLATES -# define Q_COMPILER_DECLTYPE -# define Q_COMPILER_VARIADIC_TEMPLATES -# define Q_COMPILER_AUTO_TYPE -# define Q_COMPILER_DEFAULT_DELETE_MEMBERS -# define Q_COMPILER_CLASS_ENUM -# define Q_COMPILER_LAMBDA -# define Q_COMPILER_STATIC_ASSERT -# endif -# endif -#endif - -#ifdef Q_CC_CLANG -/* General C++ features */ -# if !__has_feature(cxx_exceptions) -# define QT_NO_EXCEPTIONS -# endif -# if !__has_feature(cxx_rtti) -# define QT_NO_RTTI -# endif -/* C++11 features, see http://clang.llvm.org/cxx_status.html */ -# if __cplusplus >= 201103L || __GXX_EXPERIMENTAL_CXX0X__ -# if ((__clang_major__ * 100) + __clang_minor__) >= 209 /* since clang 2.9 */ -# define Q_COMPILER_AUTO_TYPE -# define Q_COMPILER_DECLTYPE -# define Q_COMPILER_EXTERN_TEMPLATES -# define Q_COMPILER_RVALUE_REFS -# define Q_COMPILER_STATIC_ASSERT -# define Q_COMPILER_VARIADIC_MACROS -# define Q_COMPILER_VARIADIC_TEMPLATES -# endif -# if ((__clang_major__ * 100) + __clang_minor__) >= 300 /* since clang 3.0 */ -# define Q_COMPILER_CLASS_ENUM - /* defaulted members in 3.0, deleted members in 2.9 */ -# define Q_COMPILER_DEFAULT_DELETE_MEMBERS -# define Q_COMPILER_EXPLICIT_OVERRIDES -# define Q_COMPILER_NULLPTR -# define Q_COMPILER_RANGE_FOR -# define Q_COMPILER_UNICODE_STRINGS -# endif - /* not implemented in clang yet */ -# if __has_feature(cxx_constexpr) -# define Q_COMPILER_CONSTEXPR -# endif -# if __has_feature(cxx_lambdas) -# define Q_COMPILER_LAMBDA -# endif -# if __has_feature(cxx_generalized_initializers) -# define Q_COMPILER_INITIALIZER_LISTS -# endif -# if __has_feature(cxx_unrestricted_unions) -# define Q_COMPILER_UNRESTRICTED_UNIONS -# endif -# if 0 -# define Q_COMPILER_ATOMICS -# endif -# endif -#endif // Q_CC_CLANG - #ifndef Q_PACKED # define Q_PACKED # undef Q_NO_PACKED_REFERENCE @@ -681,12 +196,6 @@ namespace QT_NAMESPACE {} # endif #endif -#ifndef Q_COMPILER_MANGLES_RETURN_TYPE -# if defined(Q_CC_MSVC) -# define Q_COMPILER_MANGLES_RETURN_TYPE -# endif -#endif - QT_BEGIN_HEADER QT_BEGIN_NAMESPACE |