Unable to install the scrypt gem on fedora 21 machine

I am stuck about the issues, Which coming on my fedora 21 server. Every thing is working like successfully installed the following..

1. RVM
2. Ruby 2.1.3
3. Mysql

When I am going to run command

bundle install

In the middle of the bundle, It abort with the message like please refer the attached image for the same.

Please help me to get resolved the issue.