FindQt3

定位 Qt 包含路径和库

此模块定义

QT_INCLUDE_DIR    - where to find qt.h, etc.
QT_LIBRARIES      - the libraries to link against to use Qt.
QT_DEFINITIONS    - definitions to use when
                    compiling code that uses Qt.
QT_FOUND          - If false, don't try to use Qt.
QT_VERSION_STRING - the version of Qt found

如果您需要 Qt 的多线程版本，请将 QT_MT_REQUIRED 设置为 TRUE

也定义了，但通常不使用

QT_MOC_EXECUTABLE, where to find the moc tool.
QT_UIC_EXECUTABLE, where to find the uic tool.
QT_QT_LIBRARY, where to find the Qt library.
QT_QTMAIN_LIBRARY, where to find the qtmain
 library. This is only required by Qt3 on Windows.