$ ldd oci8.so
libclntsh.so.11.1 => /usr/lib/oracle/11.2/client/lib/libclntsh.so.11.1 (0x0071b000)
libc.so.6 => /lib/tls/libc.so.6 (0x00544000)
libnnz11.so => /usr/lib/oracle/11.2/client/lib/libnnz11.so (0x00111000)
libdl.so.2 => /lib/libdl.so.2 (0x0038f000)
libm.so.6 => /lib/tls/libm.so.6 (0x0035e000)
libpthread.so.0 => /lib/tls/libpthread.so.0 (0x00392000)
libnsl.so.1 => /lib/libnsl.so.1 (0x003a2000)
libaio.so.1 => /usr/lib/libaio.so.1 (0x00380000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x00705000)