--- squid-3.1.4.orig/include/squid_endian.h	2010-05-30 15:21:11.000000000 +0200
+++ squid-3.1.4/include/squid_endian.h	2010-07-31 14:29:02.000000000 +0200
@@ -65,9 +65,12 @@
  *
  * Some systems define htobe16()/be16toh() and friends in <sys/endian.h>.
  */
+#include <sys/param.h>
+#if !defined(BSD)
 #if HAVE_BYTESWAP_H
 #  include <byteswap.h>
 #endif /* HAVE_BYTESWAP_H */
+#endif
 #ifdef HAVE_MACHINE_BYTE_SWAP_H
 #  include <machine/byte_swap.h>
 #endif	/* HAVE_MACHINE_BYTE_SWAP_H */