Patch for bitcoin for systems with openssl, which is supporting ECC, but missing NID_secp256k1 (e.g. Fedora >= 20).
No need to recompile openssl or install compat libraries on Fedora >= 20.
bitcoin-0.8.5 and 0.8.6:
http://pastebin.com/3nN9VYx2
bitcoin git version:
http://pastebin.com/GSdYL8jz
If you like it, buy me a beer :-) 1MyBTCJepaaM6Bs4iJgew3tVZbuUWunBV7