--- a/ProjectDefinition.st	Thu Aug 10 12:46:54 2017 +0200
+++ b/ProjectDefinition.st	Thu Aug 10 17:05:08 2017 +0200
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "
  COPYRIGHT (c) 2006 by eXept Software AG
               All Rights Reserved
@@ -2894,7 +2896,6 @@
     "Created: / 18-08-2006 / 12:51:38 / cg"
 ! !
 
-
 !ProjectDefinition class methodsFor:'description - project information'!
 
 applicationAdditionalIconFileNames
@@ -4975,7 +4976,6 @@
     ^ self subProjectMakeCallsUsing:'call vcmake %1 %2'.
 ! !
 
-
 !ProjectDefinition class methodsFor:'file templates'!
 
 autopackage_default_dot_apspec
@@ -6818,9 +6818,11 @@
 
     |prereq|
 
-    self supportedOnPlatform ifFalse:[^ self].
-
-    prereq := self mandatoryPreRequisites.
+    self supportedOnPlatform ifFalse:[
+        ^ self
+    ].
+
+    prereq := self effectiveMandatoryPreRequisites.
     prereq notEmpty ifTrue:[
         Verbose ifTrue:[
             Transcript showCR:('  %1 loading mandatory prerequisites...' bindWith:self name).