Worked on waLBerla boundary sweeps generation

boundaries/boundaryhandling.py

@@ -90,7 +90,8 @@ class LbmWeightInfo(CustomCppCode):
 
     def __init__(self, lb_method):
         weights = [str(w.evalf()) for w in lb_method.weights]
-        code = "const double %s [] = { %s };\n" % (LbmWeightInfo.WEIGHTS_SYMBOL.name, ",".join(weights))
+        code = "const double __attribute__((unused)) %s [] = { %s };\n" % (
+                   LbmWeightInfo.WEIGHTS_SYMBOL.name, ",".join(weights))
         super(LbmWeightInfo, self).__init__(code, symbols_read=set(),
                                             symbols_defined={LbmWeightInfo.WEIGHTS_SYMBOL})