我有成功编译Qt5
Qt库的shared
项目,但是在针对* error: multiple definition of 'XXX'
进行编译时遇到了很多错误(大约130个错误),例如static
Qt库:
/usr/local/Qt-5.3.0/lib/libQt5Quick.a(qquickanimation.o): In function `_q_interpolateShortestRotation(double&, double&, double)':
qquickanimation.cpp:(.text+0x330): multiple definition of `_q_interpolateShortestRotation(double&, double&, double)'
/usr/local/Qt-5.3.0/lib/libQt5Declarative.a(qdeclarativeanimation.o):qdeclarativeanimation.cpp:(.text+0xd80): first defined here
/usr/local/Qt-5.3.0/lib/libQt5Quick.a(qquickanimation.o): In function `_q_interpolateClockwiseRotation(double&, double&, double)':
qquickanimation.cpp:(.text+0x3c0): multiple definition of `_q_interpolateClockwiseRotation(double&, double&, double)'
/usr/local/Qt-5.3.0/lib/libQt5Declarative.a(qdeclarativeanimation.o):qdeclarativeanimation.cpp:(.text+0xe10): first defined here
几乎所有多个定义成对检测到:
我只需要 libQt5Declarative
在我的qml中使用MessageDialog
我的.pro
文件:
QT += quick declarative widgets network xml xmlpatterns multimedia
TARGET = MyApp
TEMPLATE = app
SOURCES += ...
HEADERS += ...
OTHER_FILES += ...
RESOURCES += ...
CONFIG += static
我的问题是:
答案 0 :(得分:1)
Qt Declarative is provided for Qt 4 compatibility。我认为它不是为了与新的Qt 5项目相联系而设计的。它似乎已被Qt QML和Qt Quick所包含。
静态库没有指定导出哪些符号以及哪些符号不导出的功能,因此在两个不同的静态库中定义的相同私有符号可能会发生冲突。