This is an auto-filled bug because this package does not respect user's CFLAGS. While SSP is really good for security purpose, I'd expect that with CFLAGS="-fno-stack-protector" the package should not have stack protection. In this case the file /usr/sbin/ntpd (and maybe some other file from this package) has stack protection. To check the SSP status you can use: checksec --file /usr/sbin/ntpd The same issue happens for relro and pie.
I'm sorry but the stack-protection issue was a false positive. Anyway the bug is present for RELRO and pie. PIE, in other packages is managed by a useflag (see ssh and pam)
At least this one appears fixed in 1.2.0, which I'm about to push.