这个问题怎么解决啊！
CMake Error at GUISupport/Qt/CMakeLists.txt:72 (find_package):
By not providing "FindQt5.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "Qt5", but
CMake did not find one. Could not find a package configuration file provided by "Qt5" with any of
the following names: Qt5Config.cmake
qt5-config.cmake Add the installation prefix of "Qt5" to CMAKE_PREFIX_PATH or set "Qt5_DIR"
to a directory containing one of the above files. If "Qt5" provides a
separate development package or SDK, be sure it has been installed.
CMake Error at GUISupport/Qt/CMakeLists.txt:72 (find_package):
By not providing "FindQt5.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "Qt5", but
CMake did not find one. Could not find a package configuration file provided by "Qt5" with any of
the following names: Qt5Config.cmake
qt5-config.cmake Add the installation prefix of "Qt5" to CMAKE_PREFIX_PATH or set "Qt5_DIR"
to a directory containing one of the above files. If "Qt5" provides a
separate development package or SDK, be sure it has been installed.
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