diff --git a/bitbake/bin/bitbake-layers b/bitbake/bin/bitbake-layers
index dfbdb7032a..5abf26cfbd 100755
--- a/bitbake/bin/bitbake-layers
+++ b/bitbake/bin/bitbake-layers
@@ -55,7 +55,7 @@ class Commands(cmd.Cmd):
 
     def prepare_cooker(self):
         sys.stderr.write("Parsing recipes..")
-        logger.setLevel(logging.ERROR)
+        logger.setLevel(logging.WARNING)
 
         try:
             while self.cooker.state in (state.initial, state.parsing):
@@ -156,8 +156,6 @@ class Commands(cmd.Cmd):
 
         self.show_appends_for_skipped()
 
-        self.show_appends_with_no_recipes()
-
     def show_appends_for_pn(self, pn):
         filenames = self.cooker_data.pkg_pn[pn]
 
@@ -204,23 +202,6 @@ class Commands(cmd.Cmd):
                 notappended.append(basename)
         return appended, notappended
 
-    def show_appends_with_no_recipes(self):
-        recipes = set(os.path.basename(f)
-                      for f in self.cooker_data.pkg_fn.iterkeys())
-        recipes |= set(os.path.basename(f)
-                      for f in self.cooker.skiplist.iterkeys())
-        appended_recipes = self.cooker_data.appends.iterkeys()
-        appends_without_recipes = [self.cooker_data.appends[recipe]
-                                   for recipe in appended_recipes
-                                   if recipe not in recipes]
-        if appends_without_recipes:
-            appendlines = ('  %s' % append
-                           for appends in appends_without_recipes
-                           for append in appends)
-            logger.warn('No recipes available for:\n%s',
-                        '\n'.join(appendlines))
-            self.returncode |= 4
-
     def do_EOF(self, line):
         return True
 
diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index 67f0805cbb..7976d299c0 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -483,6 +483,27 @@ class BBCooker:
                 return pri
         return 0
 
+    def show_appends_with_no_recipes( self ):
+        recipes = set(os.path.basename(f)
+                      for f in self.status.pkg_fn.iterkeys())
+        recipes |= set(os.path.basename(f)
+                      for f in self.skiplist.iterkeys())
+        appended_recipes = self.appendlist.iterkeys()
+        appends_without_recipes = [self.appendlist[recipe]
+                                   for recipe in appended_recipes
+                                   if recipe not in recipes]
+        if appends_without_recipes:
+            appendlines = ('  %s' % append
+                           for appends in appends_without_recipes
+                           for append in appends)
+            msg = 'No recipes available for:\n%s' % '\n'.join(appendlines)
+            warn_only = data.getVar("BB_DANGLINGAPPENDS_WARNONLY", \
+                 self.configuration.data, False) or "no"
+            if warn_only.lower() in ("1", "yes", "true"):
+                bb.warn(msg)
+            else:
+                bb.fatal(msg)
+
     def buildDepgraph( self ):
         all_depends = self.status.all_depends
         pn_provides = self.status.pn_provides
@@ -1009,6 +1030,7 @@ class BBCooker:
 
         if not self.parser.parse_next():
             collectlog.debug(1, "parsing complete")
+            self.show_appends_with_no_recipes()
             self.buildDepgraph()
             self.state = state.running
             return None