/usr/bin/ld: /tmp/cca791yM.o: in function main': /home/lenovo/desk/vscode/1/main.cpp:23: undefined reference to ceres::Problem::Problem()'
/usr/bin/ld: /home/lenovo/desk/vscode/1/main.cpp:25: undefined reference to ceres::Problem::AddResidualBlock(ceres::CostFunction*, ceres::LossFunction*, double*)' /usr/bin/ld: /home/lenovo/desk/vscode/1/main.cpp:31: undefined reference to ceres::Solver::Summary::Summary()'
/usr/bin/ld: /home/lenovo/desk/vscode/1/main.cpp:32: undefined reference to ceres::Solve(ceres::Solver::Options const&, ceres::Problem*, ceres::Solver::Summary*)' 现在报错 /usr/bin/ld: /home/lenovo/desk/vscode/1/main.cpp:33: undefined reference to ceres::Solver::Summary::BriefReport const'
/usr/bin/ld: /home/lenovo/desk/vscode/1/main.cpp:37: undefined reference to ceres::Problem::Problem()' /usr/bin/ld: /home/lenovo/desk/vscode/1/main.cpp:37: undefined reference to ceres::Problem::Problem()'
collect2: error: ld returned 1 exit status
终端进程“/usr/bin/bash '-c', '/usr/bin/g++ -fdiagnostics-color=always -g /home/lenovo/desk/vscode/1/main.cpp -o /home/lenovo/desk/vscode/1/main.out pkg-config --cflags opencv --libs -I /usr/local/include/opencv -I /usr/local/include/opencv2 -L /usr/local/lib -I opencv_core -I opencv_imgproc -I opencv_imgcodecs -I opencv_video -I opencv_ml -I opencv_highgui -I opecv_obdetect -I opencv_flann -I opencv_imgcodecs -I opencv_photo -I opencv_videoio -l gflags -l glog -I /usr/local/include/ceres -I /usr/lib/x86_64-linux-gnu'”已终止，退出代码: 1。