diff -ruN grass-6.4.2.orig/include/iostream/minmaxheap.h grass-6.4.2/include/iostream/minmaxheap.h
--- grass-6.4.2.orig/include/iostream/minmaxheap.h	2010-04-17 14:15:22.000000000 +0200
+++ grass-6.4.2/include/iostream/minmaxheap.h	2012-08-26 16:00:35.903788778 +0200
@@ -744,7 +744,7 @@
   //heap must be empty
   assert(this->size()==0);
   for (i = 0; !full() && i<n; i++) {
-    insert(arr[i]);
+    this->insert(arr[i]);
   }
   if (i < n) {
     assert(i == this->maxsize);
@@ -777,13 +777,13 @@
 
   if(old) {
 	HeapIndex n = this->size();
-	this->A = allocateHeap(this->maxsize);	/* allocate a new array */
+	this->A = this->allocateHeap(this->maxsize);  /* allocate a new array */
 	/* copy over the old values */
 	assert(this->maxsize > n);
 	for(HeapIndex i=0; i<=n; i++) {	/* why extra value? -RW */
 	  this->A[i] = old[i];
-	}	
-	freeHeap(old);				/* free up old storage */
+	}
+	this->freeHeap(old);			/* free up old storage */
   }
 
 }
diff -ruN grass-6.4.2.orig/include/iostream/mm.h grass-6.4.2/include/iostream/mm.h
--- grass-6.4.2.orig/include/iostream/mm.h	2008-12-19 21:29:33.000000000 +0100
+++ grass-6.4.2/include/iostream/mm.h	2012-08-26 15:19:27.345743801 +0200
@@ -110,10 +110,10 @@
   void print();
 
   friend class mm_register_init;
-  friend void * operator new(size_t);
-  friend void * operator new[](size_t);
-  friend void operator delete(void *);
-  friend void operator delete[](void *);
+  friend void * operator new(size_t) throw(std::bad_alloc);
+  friend void * operator new[](size_t) throw(std::bad_alloc);
+  friend void operator delete(void *) throw();
+  friend void operator delete[](void *) throw();
 };
 
 
diff -ruN grass-6.4.2.orig/lib/iostream/mm.cc grass-6.4.2/lib/iostream/mm.cc
--- grass-6.4.2.orig/lib/iostream/mm.cc	2011-10-10 22:03:42.000000000 +0200
+++ grass-6.4.2/lib/iostream/mm.cc	2012-08-26 15:21:59.016842053 +0200
@@ -256,7 +256,7 @@
 
  
 /* ************************************************************ */
-void* operator new[] (size_t sz) {
+void* operator new[] (size_t sz) throw(std::bad_alloc) {
   void *p;
   
   MM_DEBUG cout << "new: sz=" << sz << ", register " 
@@ -307,7 +307,7 @@
 
  
 /* ************************************************************ */
-void* operator new (size_t sz) {
+void* operator new (size_t sz) throw(std::bad_alloc) {
   void *p;
   
   MM_DEBUG cout << "new: sz=" << sz << ", register " 
@@ -359,7 +359,7 @@
 
 
 /* ---------------------------------------------------------------------- */
-void operator delete (void *ptr)  {
+void operator delete (void *ptr) throw() {
   size_t sz;
   void *p;
   
@@ -399,7 +399,7 @@
 
 
 /* ---------------------------------------------------------------------- */
-void operator delete[] (void *ptr) {
+void operator delete[] (void *ptr) throw() {
   size_t sz;
   void *p;