Hello, Current gdb head does not compile for Darwin due to the changes in this commit: commit 60d99cc097f1fb9932bb8f52c24e4efc00a6b742 Author: Pedro Alves Date: Thu May 21 15:48:41 2009 +0000 The attached patch fixes compilation for Darwin. Jonas 2009-06-10 Jonas Maebe Fix Darwin compilation error caused by signature change of darwin_wait. * darwin-nat.c (darwin_stop_inferior): Pass 0 as options to darwin_wait (blocking wait). (darwin_kill_inferior): Likewise