diff -Naur busybox-1.20.2/loginutils/passwd.c busybox-1.20.2.patch/loginutils/passwd.c
--- busybox-1.20.2/loginutils/passwd.c	2012-06-26 15:35:45.000000000 +0200
+++ busybox-1.20.2.patch/loginutils/passwd.c	2012-07-16 17:08:07.382745761 +0200
@@ -15,6 +15,7 @@
 
 #include "libbb.h"
 #include <syslog.h>
+#include <sys/resource.h> /* setrlimit */
 
 static void nuke_str(char *str)
 {
diff -Naur busybox-1.20.2/miscutils/time.c busybox-1.20.2.patch/miscutils/time.c
--- busybox-1.20.2/miscutils/time.c	2012-06-26 15:35:45.000000000 +0200
+++ busybox-1.20.2.patch/miscutils/time.c	2012-07-16 17:08:07.383745781 +0200
@@ -16,6 +16,7 @@
 //usage:     "\n	-v	Verbose"
 
 #include "libbb.h"
+#include <sys/resource.h> /* getrusage */
 
 /* Information on the resources used by a child process.  */
 typedef struct {
diff -Naur busybox-1.20.2/networking/inetd.c busybox-1.20.2.patch/networking/inetd.c
--- busybox-1.20.2/networking/inetd.c	2012-07-02 16:08:25.000000000 +0200
+++ busybox-1.20.2.patch/networking/inetd.c	2012-07-16 17:08:39.368394206 +0200
@@ -165,6 +165,7 @@
 //usage:     "\n		(default: 0 - disabled)"
 
 #include <syslog.h>
+#include <sys/resource.h> /* setrlimit */
 #include <sys/un.h>
 
 #include "libbb.h"
diff -Naur busybox-1.20.2/networking/ntpd.c busybox-1.20.2.patch/networking/ntpd.c
--- busybox-1.20.2/networking/ntpd.c	2012-07-02 16:08:25.000000000 +0200
+++ busybox-1.20.2.patch/networking/ntpd.c	2012-07-16 17:08:07.386745839 +0200
@@ -46,6 +46,7 @@
 #include "libbb.h"
 #include <math.h>
 #include <netinet/ip.h> /* For IPTOS_LOWDELAY definition */
+#include <sys/resource.h> /* setpriority */
 #include <sys/timex.h>
 #ifndef IPTOS_LOWDELAY
 # define IPTOS_LOWDELAY 0x10
diff -Naur busybox-1.20.2/networking/ntpd_simple.c busybox-1.20.2.patch/networking/ntpd_simple.c
--- busybox-1.20.2/networking/ntpd_simple.c	2012-06-26 15:35:45.000000000 +0200
+++ busybox-1.20.2.patch/networking/ntpd_simple.c	2012-07-16 17:08:07.386745839 +0200
@@ -7,6 +7,7 @@
  */
 #include "libbb.h"
 #include <netinet/ip.h> /* For IPTOS_LOWDELAY definition */
+#include <sys/resource.h> /* setpriority */
 #ifndef IPTOS_LOWDELAY
 # define IPTOS_LOWDELAY 0x10
 #endif
diff -Naur busybox-1.20.2/runit/chpst.c busybox-1.20.2.patch/runit/chpst.c
--- busybox-1.20.2/runit/chpst.c	2012-06-26 15:35:45.000000000 +0200
+++ busybox-1.20.2.patch/runit/chpst.c	2012-07-16 17:08:07.387745858 +0200
@@ -91,6 +91,7 @@
 //usage:     "\n			a SIGXCPU after N seconds"
 
 #include "libbb.h"
+#include <sys/resource.h> /* getrlimit */
 
 /*
 Five applets here: chpst, envdir, envuidgid, setuidgid, softlimit.
diff -Naur busybox-1.20.2/shell/shell_common.c busybox-1.20.2.patch/shell/shell_common.c
--- busybox-1.20.2/shell/shell_common.c	2012-06-26 15:35:45.000000000 +0200
+++ busybox-1.20.2.patch/shell/shell_common.c	2012-07-16 17:08:07.388745877 +0200
@@ -18,6 +18,7 @@
  */
 #include "libbb.h"
 #include "shell_common.h"
+#include <sys/resource.h> /* getrlimit */
 
 const char defifsvar[] ALIGN1 = "IFS= \t\n";
 
