Re: [lwip-users] lwip PPP malloc problem

[Simon Goldschmidt]

Rainer Thaden wrote:
> Since I need to communicate over serial ports, too, I activated PPP
> support in lwipopts.h.
> Now, the linker complains about undefined references to _sbrk which (to
> me) is a sign for a call to malloc in the libc somewhere.

Check your linker file if it tells you why _sbrk is wanted. At least gcc has 
some good output in the map file for this. I think I remember to get malloc 
include when calling printf...


Simon