Qt 5.5.0 officially released on July 1st. But on OS X, for example 10.10.4+Xcode 6.4(clang-602.0.53), you will have lots of warnings about ‘-Winconsistent-missing-override’, like:
In file included from moc_widget.cpp:9:
In file included from ./../qt55test/widget.h:4:
In file included from ../../QtSDK/5.5/clang_64/lib/QtWidgets.framework/Headers/QWidget:1:
In file included from ../../QtSDK/5.5/clang_64/lib/QtWidgets.framework/Headers/qwidget.h:38:
/Users/liangqi/QtSDK/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:108:5: warning: unknown warning group '-Winconsistent-missing-override', ignored [-Wunknown-pragmas]
Q_OBJECT
^
/Users/liangqi/QtSDK/5.5/clang_64/lib/QtCore.framework/Headers/qobjectdefs.h:156:5: note: expanded from macro 'Q_OBJECT'
Q_OBJECT_NO_OVERRIDE_WARNING \
^
/Users/liangqi/QtSDK/5.5/clang_64/lib/QtCore.framework/Headers/qobjectdefs.h:146:45: note: expanded from macro 'Q_OBJECT_NO_OVERRIDE_WARNING'
# define Q_OBJECT_NO_OVERRIDE_WARNING QT_WARNING_DISABLE_CLANG("-Winconsistent-missing-override")
^
/Users/liangqi/QtSDK/5.5/clang_64/lib/QtCore.framework/Headers/qcompilerdetection.h:1125:49: note: expanded from macro 'QT_WARNING_DISABLE_CLANG'
# define QT_WARNING_DISABLE_CLANG(text) QT_DO_PRAGMA(clang diagnostic ignored text)
^
/Users/liangqi/QtSDK/5.5/clang_64/lib/QtCore.framework/Headers/qcompilerdetection.h:1096:49: note: expanded from macro 'QT_DO_PRAGMA'
#define QT_DO_PRAGMA(text) _Pragma(#text)
^
<scratch space>:28:27: note: expanded from here
clang diagnostic ignored "-Winconsistent-missing-override"
^
Yes, there is a bug report(QTBUG-46833) for it. And the fix is in 7d5e849e.
The solution is:
cd ~/QtSDK/5.5/clang_64/lib/QtCore.framework/Headers cp qcompilerdetection.h qcompilerdetection.h.bak vi qcompilerdetection.h
Go to Line 158, change 6020049 to 7000053. Save it!