Rudder

installing rudder-agent on centos5 minimal fails due toi missing libpcre

here is an extract:

==> centos_agent1: CFEngine binaries copied to workdir
==> centos_agent1: /var/rudder/cfengine-community/bin/cf-agent: error while loading shared libraries: libpcre.so.0: cannot open shared object file: No such file or directory
==> centos_agent1: /var/tmp/rpm-tmp.78428: line 75: /var/rudder/share/man/man8/cf-agent.8.gz: No such file or directory
==> centos_agent1: /var/rudder/cfengine-community/bin/cf-promises: error while loading shared libraries: libpcre.so.0: cannot open shared object file: No such file or directory
==> centos_agent1: /var/tmp/rpm-tmp.78428: line 75: /var/rudder/share/man/man8/cf-promises.8.gz: No such file or directory
==> centos_agent1: /var/rudder/cfengine-community/bin/cf-key: error while loading shared libraries: libpcre.so.0: cannot open shared object file: No such file or directory
==> centos_agent1: /var/tmp/rpm-tmp.78428: line 75: /var/rudder/share/man/man8/cf-key.8.gz: No such file or directory
==> centos_agent1: /var/rudder/cfengine-community/bin/cf-execd: error while loading shared libraries: libpcre.so.0: cannot open shared object file: No such file or directory
...
==> centos_agent1: rudder-agent[5589]: [INFO] Launching CFEngine Community cf-serverd...
==> centos_agent1: /var/rudder/cfengine-community/bin/cf-serverd: error while loading shared libraries: libpcre.so.0: cannot open shared object file: No such file or directory
==> centos_agent1: rudder-agent[5709]: [ALERT] no PID file for cf-serverd after 30 seconds. Trying again...
==> centos_agent1: /var/rudder/cfengine-community/bin/cf-serverd: error while loading shared libraries: libpcre.so.0: cannot open shared object file: No such file or directory
==> centos_agent1: rudder-agent[5831]: [ALERT] no PID file for cf-serverd after 60 seconds. Trying again...