AuroraMiddleware/qt5base-lts
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Disable constexpr support for QNX

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Even though the compiler on QNX supports C++11, the stdlib it ships
with is missing constexpr on many important functions. This is required
to make qtbase compile on QNX 6.6.

Change-Id: I59a4263483b1d94b9d2dceb947876e445f9662af
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
This commit is contained in:
Sean Harmer 2015-02-18 11:37:09 +00:00
parent 7f12b9da18
commit c38b6a3fde
1 changed files with 5 additions and 0 deletions
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5
src/corelib/global/qcompilerdetection.h
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@ -903,6 +903,11 @@
# undef Q_COMPILER_UNICODE_STRINGS
# undef Q_COMPILER_NOEXCEPT
# endif
# if defined(_HAS_DINKUM_CLIB) && !defined(_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
# endif // Q_OS_QNX
# if (defined(Q_CC_CLANG) || defined(Q_CC_INTEL)) && defined(Q_OS_MAC) && defined(__GNUC_LIBSTD__) \
&& ((__GNUC_LIBSTD__-0) * 100 + __GNUC_LIBSTD_MINOR__-0 <= 402)