--- src/sysdep.c.bak	2012-06-27 11:32:44.000000000 +0200
+++ src/sysdep.c	2012-06-27 11:34:21.000000000 +0200
@@ -45,7 +45,7 @@
 #include <math.h>
 #endif
 
-#ifdef DARWIN_OS
+#if defined(DARWIN_OS) || defined(__NetBSD__)
 #include <sys/sysctl.h>
 #endif
 
@@ -2522,7 +2522,7 @@
 Lisp_Object
 list_system_processes (void)
 {
-#ifdef DARWIN_OS
+#if defined(DARWIN_OS) || defined(__NetBSD__)
   int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL};
 #else
   int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_PROC};
@@ -2548,7 +2548,7 @@
   len /= sizeof (struct kinfo_proc);
   for (i = 0; i < len; i++)
     {
-#ifdef DARWIN_OS
+#if defined(DARWIN_OS) || defined(__NetBSD__)
       proclist = Fcons (make_fixnum_or_float (procs[i].kp_proc.p_pid), proclist);
 #else
       proclist = Fcons (make_fixnum_or_float (procs[i].ki_pid), proclist);