opencv+libtorch c++工程问题及解决方案

问题1：添加opencv库后，报错：

 by not providing "findqt5core.cmake" in cmake_module_path this project has  asked cmake to find a ...

• 原因：未安装qt5
• 解决方案：安装qt5

sudo apt-get install qt5-default

安装后编译时，仍然报错如上，解决方案：安装QT5后重启电脑。

问题2：opencv报错

没有规则可制作目标“opencv/build/lib/libopencv_gapi.so.4.5.2libopencv_gapi.so.4.5.2”

• 原因：只采用cmake-gui对opencv进行configure和Generate，尚未进行编译和安装
• 解决方案：在build中打开终端：

make
make install

问题3：CMakeLists设置

cmake_minimum_required(VERSION 3.17)

project(enhance)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOMOC ON)
set(BOOST_LIBRARYDIR "/usr/lib/x86_64-linux-gnu")
find_package(Qt5Core)

add_e