SSL ques

when I install sysbench-0.4.8, after the make command:

/usr/bin/ld: warning: libssl.so.6, needed by /opt/PostgreSQL/9.0/lib/libpq.so, not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libcrypto.so.6, needed by /opt/PostgreSQL/9.0/lib/libpq.so, not found (try using -rpath or -rpath-link)
/opt/PostgreSQL/9.0/lib/libpq.so: undefined reference to `TLSv1_method'
/opt/PostgreSQL/9.0/lib/libpq.so: undefined reference to `SSL_set_ex_data'
/opt/PostgreSQL/9.0/lib/libpq.so: undefined reference to `SSL_connect'
......

I install PostgreSQL by enterDB's not from source code?

how to solve this problem?

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