Help with ld.so debug output?

[john h]

It's not clear to me what the "not found" below means.

Thanks,
John


/ # ./hello
./hello: /lib/libm.so.6: version `GLIBC_2.1.3' not found (required by /lib/libm.
so.6)
        libm.so.6 => /lib/libm.so.6 (0x4801c000)

        Version information:
        ./hello:
                libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libm.so.6
        /lib/libm.so.6:
                libc.so.6 (GLIBC_2.1.3) => not found
                libc.so.6 (GLIBC_2.0) => /lib/libm.so.6