some RiscOS stuff I missed before (was only looking for "RISCOS")
diff --git a/Lib/plat-mac/bundlebuilder.py b/Lib/plat-mac/bundlebuilder.py
index d8186c1..f1ca5b8 100755
--- a/Lib/plat-mac/bundlebuilder.py
+++ b/Lib/plat-mac/bundlebuilder.py
@@ -272,7 +272,7 @@
 
 MAYMISS_MODULES = ['mac', 'os2', 'nt', 'ntpath', 'dos', 'dospath',
     'win32api', 'ce', '_winreg', 'nturl2path', 'sitecustomize',
-    'org.python.core', 'riscos', 'riscosenviron', 'riscospath'
+    'org.python.core'
 ]
 
 STRIP_EXEC = "/usr/bin/strip"