problem of  build Polaris-PHP

Hi, I try to build Polaris-PHP extendsion  for php 7.4.3.  "Unzip the file polaris_cpp_sdk.tar.gz, copy libpolaris_api.a and libprotobuf.a in the slib directory to the lib directory of this project (polaris-php)" ,It make me confuse where have the lib path on  Polaris-PHP  project. 




