我试图做一个迭代的最近点但是因为我是一个菜鸟我尝试从本教程开始：
http://pointclouds.org/documentation/tutorials/iterative_closest_point.php
安装了所有必需的依赖项，操作系统是MacOs High Sierra，执行make命令时出现此错误：
Undefined symbols for architecture x86_64:
"pcl::KdTreeFLANN<pcl::PointXYZ, flann::L2_Simple<float> >::setInputCloud(boost::shared_ptr<pcl::PointCloud<pcl::PointXYZ> const> const&, boost::shared_ptr<std::__1::vector<int, std::__1::allocator<int> > const> const&)", referenced from:
vtable for pcl::KdTreeFLANN<pcl::PointXYZ, flann::L2_Simple<float> > in iterative_closest_point.cpp.o
"pcl::KdTreeFLANN<pcl::PointXYZ, flann::L2_Simple<float> >::radiusSearch(pcl::PointXYZ const&, double, std::__1::vector<int, std::__1::allocator<int> >&, std::__1::vector<float, std::__1::allocator<float> >&, unsigned int) const", referenced from:
vtable for pcl::KdTreeFLANN<pcl::PointXYZ, flann::L2_Simple<float> > in iterative_closest_point.cpp.o
"pcl::KdTreeFLANN<pcl::PointXYZ, flann::L2_Simple<float> >::nearestKSearch(pcl::PointXYZ const&, int, std::__1::vector<int, std::__1::allocator<int> >&, std::__1::vector<float, std::__1::allocator<float> >&) const", referenced from:
vtable for pcl::KdTreeFLANN<pcl::PointXYZ, flann::L2_Simple<float> > in iterative_closest_point.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [iterative_closest_point] Error 1
make[1]: *** [CMakeFiles/iterative_closest_point.dir/all] Error 2
make: *** [all] Error 2
我无法理解我的错误