Qt5项目中的_GLIBCXX_ABI_TAG_CXX11错误

Question

我创建了一个最小的演示，在cmake项目中抛出错误消息。看起来我不能在我的c++ 11最小错误演示中使用Qt5代码是无错误的，并且可以自己编译。有人能解释一下是什么问题吗?

In file included from /usr/include/c++/4.8/cstddef:41:0,
                 from /usr/include/qt5/QtCore/qglobal.h:39,
                 from /usr/include/qt5/QtCore/qnamespace.h:37,
                 from /usr/include/qt5/QtCore/qobjectdefs.h:41,
                 from /usr/include/qt5/QtCore/qobject.h:40,
                 from /usr/include/qt5/QtCore/qabstractanimation.h:37,
                 from /usr/include/qt5/QtCore/QtCore:4,
                 from /usr/include/qt5/QtWidgets/QtWidgetsDepends:3,
                 from /usr/include/qt5/QtWidgets/QtWidgets:3,
                 from /home/dgrat/weird_fail/src/QSOMReader.h:15,
                 from /home/dgrat/weird_fail/src/weird_fail.cpp:2:
/usr/include/c++/4.8/bits/stl_tree.h:803:7: error: expected identifier before string constant
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:803:7: error: expected ‘,’ or ‘...’ before string constant
/usr/include/c++/4.8/bits/stl_tree.h:803:7: error: expected ‘;’ at end of member declaration
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:814:7: error: expected identifier before string constant
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:814:7: error: expected ‘,’ or ‘...’ before string constant
/usr/include/c++/4.8/bits/stl_tree.h:814:7: error: expected ‘;’ at end of member declaration
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:814:7: error: ‘int std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::__abi_tag__(int)’ cannot be overloaded
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:803:7: error: with ‘int std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::__abi_tag__(int)’
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:838:7: error: expected identifier before string constant
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:838:7: error: expected ‘,’ or ‘...’ before string constant
/usr/include/c++/4.8/bits/stl_tree.h:838:7: error: expected ‘;’ at end of member declaration
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:838:7: error: ‘int std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::__abi_tag__(int)’ cannot be overloaded
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_tree.h:803:7: error: with ‘int std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::__abi_tag__(int)’
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_map.h:694:7: error: expected identifier before string constant
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_map.h:694:7: error: expected ‘,’ or ‘...’ before string constant
/usr/include/c++/4.8/bits/stl_map.h:694:7: error: expected ‘;’ at end of member declaration
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_multimap.h:599:7: error: expected identifier before string constant
       _GLIBCXX_ABI_TAG_CXX11
       ^
/usr/include/c++/4.8/bits/stl_multimap.h:599:7: error: expected ‘,’ or ‘...’ before string constant
/usr/include/c++/4.8/bits/stl_multimap.h:599:7: error: expected ‘;’ at end of member declaration
       _GLIBCXX_ABI_TAG_CXX11
       ^

Answer 1

#include <QApplication>

到weird_fail.cpp