[release] Removes unused parameter warnings with -Wall -Wextra

doc/comm/poosc08_test.cc

@@ -43,7 +43,7 @@ struct CopyData {
 
 
 template<class T>
-void doCalculations(T& t){}
+void doCalculations(T&){}
 
 #if HAVE_MPI
 void test()

dune/common/mallocallocator.hh

@@ -65,6 +65,7 @@ namespace Dune
     //! deallocate n objects of type T at address p
     void deallocate(pointer p, size_type n)
     {
+      (void)n;
       std::free(p);
     }
 

dune/common/parallel/communicator.hh

@@ -1232,7 +1232,7 @@ namespace Dune
 
   template<class Data>
   inline int BufferedCommunicator::MessageSizeCalculator<Data,SizeOne>::operator()
-    (const Data& data, const InterfaceInformation& info) const
+    (const Data&, const InterfaceInformation& info) const
   {
     return operator()(info);
   }
@@ -1285,7 +1285,7 @@ namespace Dune
 
 
   template<class Data, class GatherScatter, bool FORWARD>
-  inline void BufferedCommunicator::MessageGatherer<Data,GatherScatter,FORWARD,SizeOne>::operator()(const InterfaceMap& interfaces, const Data& data, Type* buffer, size_t bufferSize) const
+  inline void BufferedCommunicator::MessageGatherer<Data,GatherScatter,FORWARD,SizeOne>::operator()(const InterfaceMap& interfaces, const Data& data, Type* buffer, size_t) const
   {
     typedef typename InterfaceMap::const_iterator
     const_iterator;

dune/common/parallel/mpihelper.hh

@@ -129,6 +129,7 @@ namespace Dune
      */
     DUNE_EXPORT static FakeMPIHelper& instance(int argc, char** argv)
     {
+      (void)argc; (void)argv;
       // create singleton instance
       static FakeMPIHelper singleton;
       return singleton;