Simon,
Am 21.07.2014 14:02, schrieb 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... > Found it. Due to your post, I inspected the linker map file again and found that rand() and srand() were calling malloc from libc. I replaced them by urand() and usrand() per define in the makefile and now it compiles. Thanks for your help! Regards, Rainer _______________________________________________ lwip-users mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/lwip-users
