diff --git a/extent.cpp b/extent.cpp
index db5cd43b..cc3bb28a 100644
--- a/extent.cpp
+++ b/extent.cpp
@@ -79,7 +79,9 @@ namespace util {
         { return; }
 }
 
-template struct extent<unsigned int>;
-template struct extent<unsigned long>;
-template struct extent<double>;
 
+namespace util {
+    template struct extent<unsigned int>;
+    template struct extent<unsigned long>;
+    template struct extent<double>;
+}
diff --git a/ip.cpp.rl b/ip.cpp.rl
index 451ab047..1f273665 100644
--- a/ip.cpp.rl
+++ b/ip.cpp.rl
@@ -40,9 +40,13 @@ ipv4::ip::ip (uint32_t _integer):
 { ; }
 
 
-ipv4::ip::ip (uint8_t a, uint8_t b, uint8_t c, uint8_t d):
-    m_octets ({ a, b, c, d })
-{ ; }
+ipv4::ip::ip (uint8_t a, uint8_t b, uint8_t c, uint8_t d)
+{
+    m_octets[0] = a;
+    m_octets[1] = b;
+    m_octets[2] = c;
+    m_octets[3] = d;
+}
 
 
 ipv4::ip&
diff --git a/signal.hpp b/signal.hpp
index 4d47fdd4..e4deb16b 100644
--- a/signal.hpp
+++ b/signal.hpp
@@ -31,7 +31,7 @@ namespace util {
     template <typename Ret, typename ...Args>
     class signal {
         public:
-            typedef Ret (*callback_function)(Args...);
+            //typedef Ret (*callback_function)(Args...);
             typedef std::function<Ret(Args...)> callback_object;
 
         protected:
@@ -81,9 +81,9 @@ namespace util {
 
 
             /// Add a callback to the list.
-            const cookie
-            connect (const callback_function &_cb)
-                { return m_children.insert (m_children.end (), _cb); }
+            //const cookie
+            //connect (const callback_function &_cb)
+            //    { return m_children.insert (m_children.end (), _cb); }
 
 
             void disconnect (const cookie _cb)