--- src/backend/storage/lmgr/s_lock.c.orig	2004-12-14 20:50:08.000000000 +0000
+++ src/backend/storage/lmgr/s_lock.c	2004-12-14 20:59:28.000000000 +0000
@@ -136,6 +136,26 @@
 
 
 #if defined(__m68k__)
+#if defined(__NetBSD__) && defined(__ELF__)
+static void
+tas_dummy()                                             /* really means: extern int tas(slock_t
+                                                                 * **lock); */
+{
+	__asm__         __volatile__(
+										  "\
+.global         tas                            \n\
+tas:                                                   \n\
+			movel   %sp@(0x4),%a0     \n\
+			tas     %a0@                     \n\
+			beq     _success        \n\
+			moveq   #-128,%d0        \n\
+			rts                                     \n\
+_success:                                               \n\
+			moveq   #0,%d0           \n\
+			rts                                     \n\
+");
+}
+#else
 static void
 tas_dummy()						/* really means: extern int tas(slock_t
 								 * **lock); */
@@ -154,6 +174,7 @@
 			rts					\n\
 ");
 }
+#endif   /$ __NetBSD__ && __ELF__ */
 #endif   /* __m68k__ */