Error when install NRPE

- Error message when compile NRPE:
    + SSL header  ---> Centos: yum install openssl-devel                     
                           ---> Ubuntu:   apt-get install libssl-dev
                           ---> OpenSuse:    zypper in libopenssl-devel
                           ---> Sles 11:  Add repository from SDK DVD sles 11
                                                yast2 -i openssl-devel