diff -Naurp fam-2.7.0-orig/src/Interest.h fam-2.7.0/src/Interest.h
--- fam-2.7.0-orig/src/Interest.h	2008-12-04 17:42:58.000000000 -0600
+++ fam-2.7.0/src/Interest.h	2008-12-04 17:45:12.000000000 -0600
@@ -29,6 +29,7 @@
 #include <netinet/in.h>  //  for in_addr
 
 #include "Boolean.h"
+#include <cstdlib>
 
 class Event;
 class FileSystem;
diff -Naurp fam-2.7.0-orig/include/BTree.h fam-2.7.0/include/BTree.h
--- fam-2.7.0-orig/include/BTree.h	2003-01-19 22:22:30.000000000 -0600
+++ fam-2.7.0/include/BTree.h	2008-12-04 17:47:04.000000000 -0600
@@ -24,6 +24,7 @@
 #define BTree_included
 
 #include "Boolean.h"
+#include <cstdlib>
 
 //  This is an in-core B-Tree implementation.
 //