View so-dependent libraries under linux

#1. View dependent libraries:
objdump -x xxoo.so | grep NEEDED

#2. Check for missing libraries:
ldd xxoo.so
#If a dependent library does not exist, it will output something like OOXX.so not found.

 Other references:

1. http://blog.csdn.net/kongqz/article/details/4027912

2. http://man.linuxde.net/ldd