On 07.03.2018 17:40, Mattia Settin wrote:
[..]
The question is:
It is now mandatory define/use sys_now() ?
You can do without, but a number of features new to 2.0.x (or improved
there) require it. Right now, the list is:
- timeouts for NO_SYS==1
- LWIP_SO_SNDTIMEO
- LWIP_SO_LINGER
- lwiperf app
- LWIP_TCP_TIMESTAMPS
- PPPoS
This list can grow longer in the future. As such, we can't ifdef out the
prototype for these configs and it's always there. You can try without
and you'll get a linker error once you enable code which actually uses it.
Simon
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