regarding recompile question: SPDY is supported with OpenSSL 1.0.1
so if your distro using earlier version, SPDY will not be supported,
you can check "nginx -V" if SPDY been enabled.

When recompiling you can use openssl source package and link it statically to nginx if needed
--with-http_spdy_module --with-openssl=/path/to/unpacked/source/openssl-1.0.1e