ubuntu18.04点云库pcl CMakeLists

根据引用\[1\]和引用\[2\]，在Ubuntu 18.04上安装pcl点云库需要执行以下步骤：

1. 执行以下命令安装libvtk7-dev库：

   sudo apt-get install libvtk7-dev=7.1.1+dfsg1-2

2. 在桌面上创建一个名为pcl_test的文件夹，确保文件夹名称与引用\[2\]中的一致。

3. 确保已在Ubuntu上配置了C++环境，即安装了g++和gcc。可以使用以下命令安装：

   sudo apt install gcc
   sudo apt install g++

4. 创建一个CMakeLists.txt文件，内容如下：

   cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
   project(pcl_test)
   find_package(PCL 1.7 REQUIRED)
   include_directories(${PCL_INCLUDE_DIRS})
   link_directories(${PCL_LIBRARY_DIRS})
   add_definitions(${PCL_DEFINITIONS})
   add_executable(pcl_test pcl_test.cpp)
   target_link_libraries(pcl_test ${PCL_LIBRARIES})

请注意，以上步骤是基于引用\[1\]和引用\[2\]提供的信息。
#### 引用[.reference_title]
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