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authorThiago Macieira <thiago.macieira@intel.com>2015-10-27 17:55:29 -0700
committerThiago Macieira <thiago.macieira@intel.com>2016-01-19 23:41:55 +0000
commitd6bb01e1779f1840dfbab57c6ecd615587bbde62 (patch)
treee541eee2c4aa9e42b184579173642558f6aa5c1f /src/corelib/thread
parent7ffcafd1b5baab0cbb6022ae7b9d4ca1bd76c353 (diff)
Force inclusion of <atomic> on QNX systems.
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>
Diffstat (limited to 'src/corelib/thread')
-rw-r--r--src/corelib/thread/qbasicatomic.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h
index bf94386fb2..7e19c3ff43 100644
--- a/src/corelib/thread/qbasicatomic.h
+++ b/src/corelib/thread/qbasicatomic.h
@@ -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