diff -r 1c56c03b7ed5 -r 069f43a215cc config/global/build-behave.in
--- a/config/global/build-behave.in	Fri Nov 16 15:25:57 2012 +0100
+++ b/config/global/build-behave.in	Wed Jun 25 23:33:01 2014 +0200
@@ -19,19 +19,17 @@
       Enter 0 to set automatically based on how many processors the host has.
 
 config LOAD
-    int
+    string
     prompt "Maximum allowed load" if ! BACKEND
-    default 0
+    default ""
     help
       Specifies that no new jobs should be started if there are others jobs
       running and the load average is at least this value.
-      
-      Makes sense on SMP machines only.
-      
-      Enter 0 to have no limit on the load average.
-      
-      Note: only the integer part of the load is allowed here (you can't enter
-            0.75 for example).
+
+      Leave to empty for no load limit.
+
+      Note: any float value is allowed and will be passed to the '-l' option
+            of make (for further details, refer to the make manpage).
 
 config USE_PIPES
     bool