diff --git a/src/api/c++/z3++.h b/src/api/c++/z3++.h
index 95b01979e..44972565e 100644
--- a/src/api/c++/z3++.h
+++ b/src/api/c++/z3++.h
@@ -84,8 +84,9 @@ namespace z3 {
         std::string m_msg;
     public:
         exception(char const * msg):m_msg(msg) {}
+        virtual ~exception() throw() {}
         char const * msg() const { return m_msg.c_str(); }
-        char const * what() const noexcept { return m_msg.c_str(); }
+        char const * what() const throw() { return m_msg.c_str(); }
         friend std::ostream & operator<<(std::ostream & out, exception const & e);
     };
     inline std::ostream & operator<<(std::ostream & out, exception const & e) { out << e.msg(); return out; }
@@ -2784,7 +2785,8 @@ namespace z3 {
             m_opt = Z3_mk_optimize(c); 
             Z3_optimize_inc_ref(c, m_opt);
             add(expr_vector(c, src.assertions()));
-            for (expr const& o : expr_vector(c, src.objectives())) minimize(o);            
+            expr_vector v(c, src.objectives());
+            for (expr_vector::iterator it = v.begin(); it != v.end(); ++it) minimize(*it);
         }
         optimize& operator=(optimize const& o) {
             Z3_optimize_inc_ref(o.ctx(), o.m_opt);
@@ -2800,7 +2802,7 @@ namespace z3 {
             Z3_optimize_assert(ctx(), m_opt, e);
         }
         void add(expr_vector const& es) {
-            for (expr const& e : es) add(e);
+            for (expr_vector::iterator it = es.begin(); it != es.end(); ++it) add(*it);
         }
         handle add(expr const& e, unsigned weight) {
             assert(e.is_bool());