Details
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Bug
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Resolution: Done
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P2: Important
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5.0.0 Beta 1, 5.0.0
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None
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OS X 10.7.4, Xcode 4.3.2, Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
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19e2b4d6eb733d9fd4eb69c0622b699fd08a3203
Description
The following code failed when using clang and libc++ headers:
main.cpp
#include <QtCore> #include <algorithm> int main() { QList<int> lst; std::sort(lst.begin(), lst.end()); return 0; }
Project settings:
cxx11.pro
#-------------------------------------------------
#
# Project created by QtCreator 2012-05-03T10:02:33
#
#-------------------------------------------------
QT += core
TARGET = cxx11
TEMPLATE = app
macx-clang {
QMAKE_CXXFLAGS += -stdlib=libc++
QMAKE_LFLAGS += -stdlib=libc++
}
SOURCES += main.cpp
Error message:
16:56:02: Running steps for project cxx11...
16:56:02: Starting: "/usr/bin/make" clean -w
make: Entering directory `/Users/stephenchu/Dropbox/cxx11'
rm -f main.o
rm -f *~ core *.core
make: Leaving directory `/Users/stephenchu/Dropbox/cxx11'
16:56:02: The process "/usr/bin/make" exited normally.
16:56:02: Starting: "/Qt/5.0/qtbase/bin/qmake" /Users/stephenchu/Dropbox/cxx11/cxx11.pro -r -spec macx-clang CONFIG+=x86_64
16:56:02: The process "/Qt/5.0/qtbase/bin/qmake" exited normally.
16:56:02: Starting: "/usr/bin/make" -w
make: Entering directory `/Users/stephenchu/Dropbox/cxx11'
clang++ -c -pipe -mmacosx-version-min=10.5 -stdlib=libc++ -g -gdwarf-2 -Wall -W -fPIE -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/Qt/5.0/qtbase/mkspecs/macx-clang -I. -I/Qt/5.0/qtbase/include/QtCore -I/Qt/5.0/qtbase/include/QtGui -I/Qt/5.0/qtbase/include -I/System/Library/Frameworks/OpenGL.framework/Versions/A/Headers -I/System/Library/Frameworks/AGL.framework/Headers -I. -F/Qt/5.0/qtbase/lib -o main.o main.cpp
In file included from main.cpp:1:
In file included from /Qt/5.0/qtbase/include/QtCore/QtCore:4:
In file included from /Qt/5.0/qtbase/include/QtCore/qabstractanimation.h:1:
In file included from /Qt/5.0/qtbase/include/QtCore/../../src/corelib/animation/qabstractanimation.h:45:
In file included from /Qt/5.0/qtbase/include/QtCore/qobject.h:1:
In file included from /Qt/5.0/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:47:
In file included from /Qt/5.0/qtbase/include/QtCore/qobjectdefs.h:1:
In file included from /Qt/5.0/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs.h:45:
In file included from /Qt/5.0/qtbase/include/QtCore/qnamespace.h:1:
In file included from /Qt/5.0/qtbase/include/QtCore/../../src/corelib/global/qnamespace.h:45:
In file included from /Qt/5.0/qtbase/include/QtCore/qglobal.h:1:
In file included from /Qt/5.0/qtbase/include/QtCore/../../src/corelib/global/qglobal.h:76:
/usr/bin/../lib/c++/v1/algorithm:3646:90: error: no type named 'value_type' in 'std::__1::iterator_traits<QList<int>::iterator>'
_VSTD::sort(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
main.cpp:133:2: note: in instantiation of function template specialization 'std::__1::sort<QList<int>::iterator>' requested here
std::sort(lst.begin(), lst.end());
^
1 error generated.
make: *** [main.o] Error 1
make: Leaving directory `/Users/stephenchu/Dropbox/cxx11'
16:56:03: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project cxx11 (target: Desktop)
When executing step 'Make'
This happens with or without std=c++11 option. Similar calls to std::sort are used in Qt 5 sources (qfilesystemmodel.cpp for example) and fail the same way when trying to build with libc++.