Index: configure.in
===================================================================
diff -u -r1193731ac6be5de93ad4ab86a90e27f8658875b2 -rd0ddb9df8ff79e52355d0c1d1aa9f4e08ef0e067
--- configure.in	(.../configure.in)	(revision 1193731ac6be5de93ad4ab86a90e27f8658875b2)
+++ configure.in	(.../configure.in)	(revision d0ddb9df8ff79e52355d0c1d1aa9f4e08ef0e067)
@@ -171,11 +171,16 @@
    AC_DEFINE(NSF_PROFILE, 1, [Are we building with profile support?])
 fi
 
+DTRACE_OBJ=
 if test "$enable_dtrace" = yes; then
    AC_DEFINE(NSF_DTRACE, 1, [Are we building with DTrace support?])
+   # Under Mac OS X, we need no nsfDTrace.o
+   if test "`uname -s`" != "Darwin" ; then
+      DTRACE_OBJ=nsfDTrace.o
+   fi
 fi
+AC_SUBST(DTRACE_OBJ)
 
-
 #-----------------------------------------------------------------------
 # __CHANGE__
 # Specify the C source files to compile in TEA_ADD_SOURCES,