Details
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Bug
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Resolution: Duplicate
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Not Evaluated
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None
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5.4.0
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None
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d47b9ace50d47a4472dc9fb029bbf6e8dd810c01
Description
When compiling with Xcode 4.6 and Qt 5.4.0, I get compile errors that did not occur in 5.3.1:
SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtWidgets/qapplication.h:37: In file included from SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtCore/qcoreapplication.h:40: In file included from SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtCore/qobject.h:48: SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtCore/qmetatype.h:1943:1: error: copying variable of type 'QBasicAtomicInt' (aka 'QBasicAtomicInteger<int>') invokes deleted constructor Q_DECLARE_METATYPE_TEMPLATE_2ARG(QPair) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtCore/qmetatype.h:1808:32: note: expanded from macro 'Q_DECLARE_METATYPE_TEMPLATE_2ARG' static QBasicAtomicInt metatype_id = Q_BASIC_ATOMIC_INITIALIZER(0); \ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtCore/qmetatype.h:1509:82: note: in instantiation of member function 'QMetaTypeId<QPair<QVariant, QVariant> >::qt_metatype_id' requested here static inline Q_DECL_CONSTEXPR int qt_metatype_id() { return QMetaTypeId<T>::qt_metatype_id(); } ^ SDKs/Qt/5.4.0/mac/clang/frameworks/include/QtCore/qbasicatomic.h:229:5: note: function has been explicitly marked deleted here QBasicAtomicInteger(const QBasicAtomicInteger &) = delete; ^ 1 error generated.
I believe this is caused by https://qt.gitorious.org/qt/qtbase/commit/85a71381145528d446416d2744734384dbe739b4
That change uses Apple build numbers like "600051" and "425024" but the actual build numbers are one digit longer, so all Xcode versions evaluate to Q_CC_CLANG = 305, incorrectly.
For example:
$ /Applications/Xcode-4.6.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -dM -E - < /dev/null | grep __apple_build_version__
#define __apple_build_version__ 4250028
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