I went around and around trying to get Cython install on my Ubuntu 14.04 LTS box. I kept getting:
x86_64-linux-gnu-gcc: error: unrecognized command line option ‘-fstack-protector-strong’
Turns out that the ‘-fstack-protector-strong’ option was not added to the GCC compiler until version 4.9. Upgraded my GCC to the latest available fixed the issue.