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From: | address@hidden |
Subject: | Re: [lwip-users] upgrade from 1.4.1 to 2.0.3 |
Date: | Wed, 7 Mar 2018 20:02:28 +0100 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
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 - PPPoSThis 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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