diff -Nu osdep/Makefile osdep/Makefile
--- osdep/Makefile	Mon Jun 28 17:57:00 2004
+++ osdep/Makefile	Sat Sep 11 15:21:10 2004
@@ -4,6 +4,7 @@
 LIBNAME = libosdep.a
 
 SRCS= shmem.c strsep.c strl.c vsscanf.c scandir.c gettimeofday.c fseeko.c \
+      swab.c
       # timer.c
 
 ifeq ($(TARGET_ARCH_X86),yes)
diff -Nu osdep/shmem.c osdep/shmem.c
--- osdep/shmem.c	Mon May 26 18:35:42 2003
+++ osdep/shmem.c	Sat Sep 11 16:29:18 2004
@@ -20,6 +20,8 @@
 #include <sys/uio.h>
 #ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
+#elif defined(__BEOS__)
+#include <mman.h>
 #endif
 #include <sys/socket.h>
 #include <fcntl.h>
diff -Nu osdep/swab.c osdep/swab.c
--- osdep/swab.c	Thu Jan  1 00:00:00 1970
+++ osdep/swab.c	Sat Sep 11 15:23:10 2004
@@ -0,0 +1,16 @@
+#include "../bswap.h"
+
+#ifndef	HAVE_SWAB
+/* system has no swab.  emulate via bswap */
+#include <unistd.h>
+
+void swab(const void *from, void *to, ssize_t n) {
+  const int16_t *in = (int16_t*)from;
+  int16_t *out = (int16_t*)to;
+  int i;
+  n /= 2;
+  for (i = 0 ; i < n; i++) {
+    out[i] = bswap_16(in[i]);
+  }
+}
+#endif
diff -Nu osdep/timer-lx.c osdep/timer-lx.c
--- osdep/timer-lx.c	Wed Aug  4 17:56:03 2004
+++ osdep/timer-lx.c	Sat Sep 11 14:56:34 2004
@@ -1,6 +1,9 @@
 // Precise timer routines for LINUX  (C) LGB & A'rpi/ASTRAL
 
 #include <unistd.h>
+#ifdef __BEOS__
+#include <usleep.h>
+#endif
 #include <stdlib.h>
 #include <time.h>
 #include <sys/time.h>