Closes#2935
Add ntpdate option and make ntpd optional.
Based on incomplete patch by Frederik Pasch <fpasch@googlemail.com>
Also enable crypto when openssl is enabled.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Also added additional options for ntp and fixed a build issue when
IPv6 support is not available.
[Peter: small tweaks]
Signed-off-by: Martin Banky <Martin.Banky@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>