安装qwt后编译工程出错
我也遇到了类似的问题root@forlinx-virtual-machine:~/2014040209# make/witech/builddir/sdk/qtopiacore/target/bin/uic widget.ui -o ui_widget.h
arm-linux-g++ -c -fnp-rtti -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/witech/builddir/sdk/qtopiacore/target/mkspecs/qws/linux-arm-g++ -I. -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include -I/usr/local/qwt-6.0.2/include -I. -I. -o main.o main.cpp
cc1plus: error: unrecognized command line option "-fnp-rtti"
make: *** Error 1
root@forlinx-virtual-machine:~/2014040209# gedit Makefile
root@forlinx-virtual-machine:~/2014040209# make
arm-linux-g++ -c -fno-rtti -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/witech/builddir/sdk/qtopiacore/target/mkspecs/qws/linux-arm-g++ -I. -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include -I/usr/local/qwt-6.0.2/include -I. -I. -o main.o main.cpp
arm-linux-g++ -c -fno-rtti -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/witech/builddir/sdk/qtopiacore/target/mkspecs/qws/linux-arm-g++ -I. -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include -I/usr/local/qwt-6.0.2/include -I. -I. -o widget.o widget.cpp
widget.cpp: In constructor 'Widget::Widget(QWidget*)':
widget.cpp:18: error: 'class Ui::Widget' has no member named 'qwtPlot'
widget.cpp:34: error: 'class Ui::Widget' has no member named 'qwtPlot'
widget.cpp:35: error: 'class Ui::Widget' has no member named 'qwtPlot'
make: *** Error 1
root@forlinx-virtual-machine:~/2014040209# make
/witech/builddir/sdk/qtopiacore/target/bin/uic widget.ui -o ui_widget.h
arm-linux-g++ -c -fno-rtti -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/witech/builddir/sdk/qtopiacore/target/mkspecs/qws/linux-arm-g++ -I. -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include -I/usr/local/qwt-6.0.2/include -I. -I. -o widget.o widget.cpp
/witech/builddir/sdk/qtopiacore/target/bin/moc -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/witech/builddir/sdk/qtopiacore/target/mkspecs/qws/linux-arm-g++ -I. -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include -I/usr/local/qwt-6.0.2/include -I. -I. widget.h -o moc_widget.cpp
arm-linux-g++ -c -fno-rtti -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/witech/builddir/sdk/qtopiacore/target/mkspecs/qws/linux-arm-g++ -I. -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtCore -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtNetwork -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include/QtGui -I/witech/builddir/sdk/qtopiacore/target/include -I/usr/local/qwt-6.0.2/include -I. -I. -o moc_widget.o moc_widget.cpp
arm-linux-g++ -Wl,-rpath,/witech/builddir/sdk/qtopiacore/target/lib -o 2014040209 main.o widget.o moc_widget.o -L/witech/builddir/sdk/qtopiacore/target/lib -L /qtqwt/qwt-6.0.2-arm/lib/ -lqwt -lQtGui -L/usr/local/tslib/lib -L/witech/builddir/sdk/qtopiacore/target/lib -lts -lQtNetwork -lQtCore -lm -lrt -ldl -lpthread
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QLayout'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QFutureInte**ceBase'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QObject'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QFrame'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QPaintDevice'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QWidget'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QPaintEngine'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QPushButton'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QTextDocument'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QThread'
/qtqwt/qwt-6.0.2-arm/lib//libqwt.so: undefined reference to `typeinfo for QScrollArea'
collect2: ld returned 1 exit status
make: *** Error 1
飞凌怎么不解答我的问题呀
楼主，我这里找了两个链接：http://blog.csdn.net/chenlong12580/article/details/7769433
http://www.myexception.cn/qt/1239426.html http://www.qtcn.org/bbs/read-htm-tid-55743.html 你是安装qwt没编译过去 还是编译自个儿的工程没过去呀？？ ─╄OvЁ等待 发表于 2014-4-14 10:33 static/image/common/back.gif
你是安装qwt没编译过去 还是编译自个儿的工程没过去呀？？
自己的工程，，，之前编译arm板子工程时候都是好的，现在添加了一个qwt插件，然后还是按照之前的步骤来，，，就出现这样的问题了，但是编译x86平台的时候是可以的 luowei-ustc 发表于 2014-4-11 10:26 static/image/common/back.gif
http://www.qtcn.org/bbs/read-htm-tid-55743.html
我的错误和这个错误是一样的！ luowei-ustc 发表于 2014-4-14 10:36 static/image/common/back.gif
自己的工程，，，之前编译arm板子工程时候都是好的，现在添加了一个qwt插件，然后还是按照之前的步骤来， ...
楼主，您还是找一下那个库文件吧 飞凌-unix 发表于 2014-4-14 11:44 static/image/common/back.gif
楼主，您还是找一下那个库文件吧
以上是错误信息，库信息如下
root@forlinx-virtual-machine:/qtqwt/qwt-6.0.2-arm/lib# file libqwt.so.6.0.2
libqwt.so.6.0.2: ELF 32-bit LSB shared object, ARM, version 1 (SYSV), dynamically linked, not stripped
root@forlinx-virtual-machine:/qtqwt/qwt-6.0.2-arm/lib# ls
libqwtmathml.so libqwtmathml.so.6.0 libqwt.so libqwt.so.6.0
libqwtmathml.so.6libqwtmathml.so.6.0.2libqwt.so.6libqwt.so.6.0.2
root@forlinx-virtual-machine:/qtqwt/qwt-6.0.2-arm/lib# ll
total 1436
drwxr-xr-x 2 root root 4096 Apr4 09:26 ./
drwxr-xr-x 8500 users 4096 Apr4 09:25 ../
lrwxrwxrwx 1 root root 21 Apr4 09:26 libqwtmathml.so -> libqwtmathml.so.6.0.2*
lrwxrwxrwx 1 root root 21 Apr4 09:26 libqwtmathml.so.6 -> libqwtmathml.so.6.0.2*
lrwxrwxrwx 1 root root 21 Apr4 09:26 libqwtmathml.so.6.0 -> libqwtmathml.so.6.0.2*
-rwxr-xr-x 1 root root 301296 Apr4 09:26 libqwtmathml.so.6.0.2*
lrwxrwxrwx 1 root root 15 Apr4 09:26 libqwt.so -> libqwt.so.6.0.2*
lrwxrwxrwx 1 root root 15 Apr4 09:26 libqwt.so.6 -> libqwt.so.6.0.2*
lrwxrwxrwx 1 root root 15 Apr4 09:26 libqwt.so.6.0 -> libqwt.so.6.0.2*
-rwxr-xr-x 1 root root1158025 Apr4 09:26 libqwt.so.6.0.2*
root@forlinx-virtual-machine:/qtqwt/qwt-6.0.2-arm/lib#
其实工程文件里里面已经把qwt的库文件加进去了，还是这个错误！ http://heyunhuan513.blog.163.com/blog/static/160204220130281300150/ 楼主，你看看这个博客，希望能帮助到您
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