link error !

[feixiangdekaka]

/home/leiw/clion-2019.3.2/bin/cmake/linux/bin/cmake --build /home/leiw/ImageBasedModellingEduV1.0/examples/task2/cmake-build-debug --target task2_test_camera_model -- -j 2
[ 50%] Linking CXX executable task2_test_camera_model
/usr/bin/ld: 找不到 -lcore
/usr/bin/ld: 找不到 -lfeatures
collect2: error: ld returned 1 exit status
CMakeFiles/task2_test_camera_model.dir/build.make:83: recipe for target 'task2_test_camera_model' failed
make[3]: *** [task2_test_camera_model] Error 1
CMakeFiles/Makefile2:83: recipe for target 'CMakeFiles/task2_test_camera_model.dir/all' failed
make[2]: *** [CMakeFiles/task2_test_camera_model.dir/all] Error 2
CMakeFiles/Makefile2:90: recipe for target 'CMakeFiles/task2_test_camera_model.dir/rule' failed
make[1]: *** [CMakeFiles/task2_test_camera_model.dir/rule] Error 2
Makefile:118: recipe for target 'task2_test_camera_model' failed
make: *** [task2_test_camera_model] Error 2