$ ldd /usr/lib/libgmpxx.so
        linux-gate.so.1 =>  (0xffffe000)
        libgmp.so.3 => /usr/lib/libgmp.so.3 (0xb7ede000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7df8000)
        libc.so.6 => /lib/libc.so.6 (0xb7cd2000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7cc7000)
        /lib/ld-linux.so.2 (0x80000000)