### Eclipse Workspace Patch 1.0
#P hudson-war
Index: resources/help/system-config/numExecutors.html
===================================================================
RCS file: /cvs/hudson/hudson/main/war/resources/help/system-config/numExecutors.html,v
retrieving revision 1.2
diff -u -r1.2 numExecutors.html
--- resources/help/system-config/numExecutors.html	30 Nov 2007 21:35:23 -0000	1.2
+++ resources/help/system-config/numExecutors.html	4 Dec 2007 07:49:06 -0000
@@ -11,4 +11,10 @@
   <p>
   When using Hudson in the master/slave mode, setting this value to 0 would prevent the master
   to do any build on its own.
+
+  <p>
+  Hudson may not always build in the same order as your project dependencies.
+  If you need Hudson to always build projects in the order of their dependencies, set this value
+  to 1.
+
 </div>
\ No newline at end of file
#P hudson-core
Index: src/main/java/hudson/triggers/SCMTrigger.java
===================================================================
RCS file: /cvs/hudson/hudson/main/core/src/main/java/hudson/triggers/SCMTrigger.java,v
retrieving revision 1.27
diff -u -r1.27 SCMTrigger.java
--- src/main/java/hudson/triggers/SCMTrigger.java	28 Nov 2007 00:57:05 -0000	1.27
+++ src/main/java/hudson/triggers/SCMTrigger.java	4 Dec 2007 07:49:09 -0000
@@ -70,6 +70,13 @@
         pollingScheduled = true;
         LOGGER.fine("Scheduling a polling for "+job);
 
+        // if only one executor, have build order match dependencies 
+        // by using only one polling thread and polling synchronously. 
+        if (Hudson.getInstance().getNumExecutors() == 1) { 
+        	DESCRIPTOR.synchronousPolling = true;
+        	DESCRIPTOR.maximumThreads = 1;
+        }
+
         if (DESCRIPTOR.synchronousPolling) {
         	LOGGER.fine("Running the trigger directly without threading, " +
         			"as it's already taken care of by Trigger.Cron");