diff -ur hal-0.5.8/hald/linux/classdev.c hal-0.5.8-patched/hald/linux/classdev.c --- hal-0.5.8/hald/linux/classdev.c 2006-09-11 18:32:56.000000000 -0500 +++ hal-0.5.8-patched/hald/linux/classdev.c 2007-01-13 22:00:46.896769548 -0600 @@ -32,7 +32,10 @@ #include <ctype.h> #include <limits.h> #include <linux/types.h> -#include <net/if_arp.h> /* for ARPHRD_... */ +#include <linux/if_arp.h> /* for ARPHRD_... */ +#ifndef ARPHRD_IEEE80211_RADIOTAP +# define ARPHRD_IEEE80211_RADIOTAP 803 +#endif #include <stdlib.h> #include <string.h> #include <stdint.h>