hi @imysql
call-home.sh is our script that is used from another repository.
IN order not to have any issues with builds you can use our build script which is located in build-ps directory. So this script will help you to build packages just in the same way as we build.
As for call-home.sh you can get more information here: Percona Is Introducing Telemetry Mechanisms Into MySQL, PostgreSQL, and MongoDB