Re: [lwip-users] TCP checksumming

[address@hidden]

Bill Auerbach wrote:
> One problem however: If I define LWIP_CHKSUM in my sys_arch.h, 
> inet_chksum.c doesn’t know about it. I had to add #include 
> "sys_arch.h" to inet_chksum.c. In order to override LWIP_CHKSUM 
> without changing source code, shouldn’t include sys_arch.h?
I don't think so: sys_arch.h is supposed to provide things needed for 
the sys layer (like threads, mboxes and semaphores). When compiling with 
NO_SYS=1, the whole stack should still be compilable without the whole 
sys_arch.h file. You will have to put the definition somewhere else.

Simon