diff options
Diffstat (limited to 'src/corelib/thread/qbasicatomic.h')
| -rw-r--r-- | src/corelib/thread/qbasicatomic.h | 32 |
1 files changed, 3 insertions, 29 deletions
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h index c6d70e578d..bf94386fb2 100644 --- a/src/corelib/thread/qbasicatomic.h +++ b/src/corelib/thread/qbasicatomic.h @@ -46,42 +46,16 @@ # include <QtCore/qatomic_bootstrap.h> // If C++11 atomics are supported, use them! -#elif defined(Q_COMPILER_ATOMICS) && defined(Q_COMPILER_CONSTEXPR) && !defined(QT_ATOMIC_FORCE_NO_CXX11) +#elif defined(Q_COMPILER_ATOMICS) && defined(Q_COMPILER_CONSTEXPR) # include <QtCore/qatomic_cxx11.h> -// The following is used for testing only. -// Note that we don't check the compiler support -- you had better -// know what you're doing if you set it -#elif defined(QT_ATOMIC_FORCE_GCC) -# include <QtCore/qatomic_gcc.h> - -// Compiler dependent implementation +// We only support one fallback: MSVC, because even on version 2015, it lacks full constexpr support #elif defined(Q_CC_MSVC) # include <QtCore/qatomic_msvc.h> -// Processor dependent implementation -#elif defined(Q_PROCESSOR_ARM_V7) && defined(Q_PROCESSOR_ARM_32) -# include "QtCore/qatomic_armv7.h" -#elif defined(Q_PROCESSOR_ARM_V6) && defined(Q_PROCESSOR_ARM_32) -# include "QtCore/qatomic_armv6.h" -#elif defined(Q_PROCESSOR_ARM_V5) && defined(Q_PROCESSOR_ARM_32) -# include "QtCore/qatomic_armv5.h" -#elif defined(Q_PROCESSOR_IA64) -# include "QtCore/qatomic_ia64.h" -#elif defined(Q_PROCESSOR_X86) -# include <QtCore/qatomic_x86.h> - -// Fallback compiler dependent implementation -#elif defined(Q_CC_GNU) -# include <QtCore/qatomic_gcc.h> - -// Fallback operating system dependent implementation -#elif defined(Q_OS_UNIX) -# include <QtCore/qatomic_unix.h> - // No fallback #else -# error "Qt has not been ported to this platform" +# error "Qt requires C++11 support" #endif QT_BEGIN_NAMESPACE |