1*779af47bSMatthias Ringwald# Modifications to Segger RTT v6.54 for BTstack 2*779af47bSMatthias Ringwald- SEGGER_RTT_GCC.c: 3*779af47bSMatthias Ringwald - include <btstack_config.h> 4*779af47bSMatthias Ringwald - check for ENABLE_SEGGER_RTT 5*779af47bSMatthias Ringwald - fix prototype for `_write_r`: 6*779af47bSMatthias Ringwald - old: `int _write_r(struct _reent *r, int file, const void *ptr, int len);` 7*779af47bSMatthias Ringwald - new: `_ssize_t _write_r(struct _reent *r, int file, const void *ptr, size_t len) 8