[root@m conf]# ldd `which cc`
        linux-vdso.so.1 =>  (0x00007fffd41d0000)
        libiconv.so.2 => /usr/local/lib/libiconv.so.2 (0x00007fbee351b000)
        libm.so.6 => /lib64/libm.so.6 (0x00007fbee3297000)
        libc.so.6 => /lib64/libc.so.6 (0x00007fbee2f02000)
        /lib64/ld-linux-x86-64.so.2 (0x00007fbee380e000)