diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index 821244aad8c8f653aa2c4f5173a82614d2ac1edf..0fa2029a5efeb219dfb808def667ebac406866aa 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -183,7 +183,7 @@
                 reallyquiet="${env.CVS_REALLY_QUIET}" />
         </modificationset>
         <schedule
-            interval="${time.oneHour}">
+            interval="${time.VeryVeryLongTime}">
             <ant>
                 <property
                     name="buildType"
@@ -200,6 +200,38 @@
             </ant>
         </schedule>
     </project>
+    
+    <project
+        name="incubator-R0.5-M">
+        <modificationset
+            quietperiod="120">
+            <cvs
+                module="${env.RELENGMAPS}/releng.incubator"
+                reallyquiet="${env.CVS_REALLY_QUIET}" />
+        </modificationset>
+        <schedule
+            interval="${time.oneHour}">
+            <ant>
+                <property
+                    name="buildType"
+                    value="M" />
+                <property
+                    name="buildId"
+                    value="0.5M4" />                    
+                <property
+                    name="buildBranch"
+                    value="R0.5" />
+                <property
+                    name="mapVersionTag"
+                    value="HEAD" />
+                <property
+                    name="build.distribution"
+                    value="incubator" />
+            </ant>
+        </schedule>
+    </project>
+    
+    
     <project
         name="wtp-R3.0-I">
         <modificationset
diff --git a/releng.control/checkout.xml b/releng.control/checkout.xml
index 0398f6bf2ec02350f72024676a7aa18b91be5cb9..6cc79f0f96a2c577fa0c227046cdc453d393d198 100644
--- a/releng.control/checkout.xml
+++ b/releng.control/checkout.xml
@@ -265,7 +265,23 @@
         dest="${codir}"
         tag="HEAD" />
   </target>
-
+  <target
+      name="incubator-R0.5-M">
+      <cvs
+          quiet="${env.CVS_QUIET}"
+          reallyquiet="${env.CVS_REALLY_QUIET}"
+          cvsRoot="${mapCvsRoot}"
+          package="${env.RELENG}"
+          dest="${codir}"
+          tag="HEAD" />
+    <cvs
+        quiet="${env.CVS_QUIET}"
+        reallyquiet="${env.CVS_REALLY_QUIET}"
+        cvsRoot="${mapCvsRoot}"
+        package="${env.RELENGMAPS}"
+        dest="${codir}"
+        tag="HEAD" />
+  </target>
 
     <!--
         The order of execution of these three worker targets