--- bluez-5.12.orig/tools/hciconfig.c 2013-10-15 15:41:07.000000000 +0200 +++ bluez-5.12/tools/hciconfig.c 2013-12-21 19:26:45.000000000 +0100 @@ -30,6 +30,7 @@ #include <stdio.h> #include <errno.h> #include <ctype.h> +#include <fcntl.h> #include <unistd.h> #include <stdlib.h> #include <string.h>