Define BYTE_PACK.

cpukit/libnetworking/net/if_arp.h

@@ -33,7 +33,7 @@
 #ifndef _NET_IF_ARP_H_
 #define	_NET_IF_ARP_H_
 
-#ifdef __rtems__
+#ifndef BYTE_PACK
 #define BYTE_PACK __attribute__((packed))
 #endif
 

cpukit/libnetworking/netinet/if_ether.h

@@ -40,6 +40,10 @@
 #include <net/ethernet.h>
 #include <net/if_arp.h>
 
+#ifndef BYTE_PACK
+#define BYTE_PACK __attribute__((packed))
+#endif
+
 #ifdef _KERNEL
 /*
  * Macro to map an IP multicast address to an Ethernet multicast address.

cpukit/libnetworking/netinet/ip_icmp.h

@@ -37,6 +37,10 @@
 #ifndef _NETINET_IP_ICMP_H_
 #define _NETINET_IP_ICMP_H_
 
+#ifndef BYTE_PACK
+#define BYTE_PACK __attribute__((packed))
+#endif
+
 /*
  * Interface Control Message Protocol Definitions.
  * Per RFC 792, September 1981.

cpukit/libnetworking/netinet/ip_var.h

@@ -37,6 +37,10 @@
 #ifndef _NETINET_IP_VAR_H_
 #define	_NETINET_IP_VAR_H_
 
+#ifndef BYTE_PACK
+#define BYTE_PACK __attribute__((packed))
+#endif
+
 /*
  * Overlay for ip header used by other protocols (tcp, udp).
  */

cpukit/libnetworking/netinet/tcp.h

@@ -37,6 +37,10 @@
 #ifndef _NETINET_TCP_H_
 #define _NETINET_TCP_H_
 
+#ifndef BYTE_PACK
+#define BYTE_PACK __attribute__((packed))
+#endif
+
 typedef	u_long	tcp_seq;
 typedef u_long	tcp_cc;			/* connection count per rfc1644 */