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Force inclusion of <atomic> on QNX systems.

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It's documented to exist in QNX 6.6, which is the minimum required
version for Qt 5.7 anyway.

http://www.qnx.com/developers/docs/660/index.jsp?topic=/com.qnx.doc.dinkum/topic/cpp11/index.html

Change-Id: I7e6338336dd6468ead24ffff141133a2d524f148
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Thiago Macieira 2015-10-27 17:55:29 -07:00
parent 7ffcafd1b5
commit d6bb01e177
1 changed files with 3 additions and 1 deletions
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4
src/corelib/thread/qbasicatomic.h
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@ -46,7 +46,9 @@
# include <QtCore/qatomic_bootstrap.h>
// If C++11 atomics are supported, use them!
#elif defined(Q_COMPILER_ATOMICS) && defined(Q_COMPILER_CONSTEXPR)
// Note that constexpr support is sometimes disabled in QNX builds but its
// library has <atomic>.
#elif defined(Q_COMPILER_ATOMICS) && (defined(Q_COMPILER_CONSTEXPR) || defined(Q_OS_QNX))
# include <QtCore/qatomic_cxx11.h>
// We only support one fallback: MSVC, because even on version 2015, it lacks full constexpr support