问题遇到的现象和发生背景
编译视觉SLAM十四讲
或者安装pangolin过程中
运行结果及报错内容
/usr/bin/ld: cannot find -lEigen3::Eigen
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/joinMap.dir/build.make:102: joinMap] Error 1
make[1]: *** [CMakeFiles/Makefile2:76: CMakeFiles/joinMap.dir/all] Error 2
make: *** [Makefile:84: all] Error 2
