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我是 GIS 新手。我正在尝试使用 VCPKG 管理器使用以下命令在 Windows（MS Visual Studio 2017）上构建 PCL：vcpkg install pcl:x64-windows。构建失败并出现以下 OpenSSL 错误：

Building package openssl-windows[core]:x64-windows...
-- Downloading http://strawberryperl.com/download/5.24.1.1/strawberry-perl- 
5.24.1.1-32bit-portable.zip...
-- Downloading http://strawberryperl.com/download/5.24.1.1/strawberry-perl- 
5.24.1.1-32bit-portable.zip... Failed. Status: 22;"HTTP response code said 
error"
CMake Error at scripts/cmake/vcpkg_download_distfile.cmake:156 (message):

  Failed to download file.
  If you use a proxy, please set the HTTPS_PROXY and HTTP_PROXY environment
  variables to "https://user:password@your-proxy-ip-address:port/".
  Otherwise, please submit an issue at 
  https://github.com/Microsoft/vcpkg/issues

  Call Stack (most recent call first):
  scripts/cmake/vcpkg_find_acquire_program.cmake:237 
  (vcpkg_download_distfile)
  ports/openssl-windows/portfile.cmake:9 (vcpkg_find_acquire_program)
  scripts/ports.cmake:71 (include)


  Error: Building package openssl-windows:x64-windows failed with: 
  BUILD_FAILED
  Please ensure you're using the latest portfiles with `.\vcpkg update`, 
  then
  submit an issue at https://github.com/Microsoft/vcpkg/issues including:
  Package: openssl-windows:x64-windows
  Vcpkg version: 2018.10.20-nohash

看起来 URL 不起作用。或者，我尝试使用 conda 包管理器安装 PCL。它安装正确，但我可以将外部应用程序链接到 PCL 库吗？如果是这样怎么做？我在哪里可以找到标题和库？我也无法运行 pclviewer pcl_visualizer 等应用程序，

请建议是否有其他方法可以从源代码构建 PCL？谢谢！

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