add setarch/linux32/linux64 applet
diff --git a/util-linux/Config.in b/util-linux/Config.in
index fbcf624..28292bd 100644
--- a/util-linux/Config.in
+++ b/util-linux/Config.in
@@ -354,6 +354,15 @@
 	help
 	  This allows you to parse /proc/profile for basic profiling.
 
+config CONFIG_SETARCH
+	bool "setarch"
+	default n
+	help
+	  The linux32 utility is used to create a 32bit environment for the
+	  specified program (usually a shell).  It only makes sense to have
+	  this util on a system that supports both 64bit and 32bit userland
+	  (like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
+
 config CONFIG_SWAPONOFF
 	bool "swaponoff"
 	default n