教程第一个QT程序的警告，高手路过的帮看下，谢谢

[root@localhost my_first]# make
g++ -c -pipe -DQWS -fno-exceptions -fno-rtti -Wall -W -O2 -DNO_DEBUG -I/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qt2/include -I/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/include -o main.o main.cpp
/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qt2/include/qdatetime.h:51: warning: ‘class QDate’ has virtual functions but non-virtual destructor
/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/include/qtopia/../../src/libraries/qtopia/qcom.h:88: warning: ‘struct QUnknownInterface’ has virtual functions but non-virtual destructor
/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/include/qtopia/../../src/libraries/qtopia/qcom.h:100: warning: ‘struct QLibraryInterface’ has virtual functions but non-virtual destructor
/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/include/qtopia/../../src/libraries/qtopia/applicationinterface.h:49: warning: ‘struct ApplicationInterface’ has virtual functions but non-virtual destructor
g++ -c -pipe -DQWS -fno-exceptions -fno-rtti -Wall -W -O2 -DNO_DEBUG -I/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qt2/include -I/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/include -o my_first.o my_first.cpp
/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qt2/include/qtooltip.h:87: warning: ‘class QToolTip’ has virtual functions but non-virtual destructor
g++ -c -pipe -DQWS -fno-exceptions -fno-rtti -Wall -W -O2 -DNO_DEBUG -I/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qt2/include -I/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/include -o moc_my_first.o moc_my_first.cpp
g++  -o /opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/image/opt/Qtopia/bin/my_first main.o my_first.o moc_my_first.o   -L/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/lib -L/opt/EmbedSky/Qte/x86-qtopia-2.2.0/qt2/lib -lqpe -lqtopia -lqte
cp -f my_first.desktop /opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/image/opt/Qtopia/apps/EmbedSky/my_first.desktop
cp -f my_first.png /opt/EmbedSky/Qte/x86-qtopia-2.2.0/qtopia/image/opt/Qtopia/pics/my_first.png


结果出来了，没问题，就是不知道这些警告怎么回事

你把英文翻译成中文后，你就知道是什么意思了。

2# 亚瑟王


额，我的意思是这个警告我看咱们教程里没有出现过。。。我这里出现了，是不用理会还是我操作上哪里有问题导致的呢

你的代码写得不规范导致的。这种情况正常的很。

有没有QQ交流一下，我做这个实验始终有一个错误，指导一下！加我389662292

把错误信息贴出来