scons: Add warning for missing declarations

This patch enables warnings for missing declarations. To avoid issues
with SWIG-generated code, the warning is only applied to non-SWIG
code.

src/sim/debug.hh

@@ -53,6 +53,8 @@ void takeCheckpoint(Tick when);
  */
 void eventqDump();
 
+void py_interact();
+
 int getRemoteGDBPort();
 // Remote gdb base port.  0 disables remote gdb.
 void setRemoteGDBPort(int port);

src/sim/drain.hh

@@ -236,4 +236,7 @@ class Drainable
 
 };
 
+DrainManager *createDrainManager();
+void cleanupDrainManager(DrainManager *drain_manager);
+
 #endif

src/sim/eventq.hh

@@ -418,6 +418,8 @@ class EventQueue : public Serializable
 #endif
 };
 
+void dumpMainQueue();
+
 #ifndef SWIG
 class EventManager
 {

src/sim/init.hh

@@ -31,6 +31,8 @@
 #ifndef __SIM_INIT_HH__
 #define __SIM_INIT_HH__
 
+#include <Python.h>
+
 /*
  * Data structure describing an embedded python file.
  */
@@ -74,8 +76,13 @@ struct EmbeddedSwig
     static void initAll();
 };
 
+void dumpStatsHandler(int sigtype);
+void dumprstStatsHandler(int sigtype);
+void exitNowHandler(int sigtype);
+void abortHandler(int sigtype);
 void initSignals();
 int initM5Python();
 int m5Main(int argc, char **argv);
+PyMODINIT_FUNC initm5(void);
 
 #endif // __SIM_INIT_HH__

src/sim/serialize.hh

@@ -178,6 +178,8 @@ class Serializable
     static void unserializeGlobals(Checkpoint *cp);
 };
 
+void debug_serialize(const std::string &cpt_dir);
+
 //
 // A SerializableBuilder serves as an evaluation context for a set of
 // parameters that describe a specific instance of a Serializable.  This

src/sim/sim_object.hh

@@ -176,4 +176,8 @@ class SimObject : public EventManager, public Serializable, public Drainable
     static SimObject *find(const char *name);
 };
 
+#ifdef DEBUG
+void debugObjectBreak(const char *objs);
+#endif
+
 #endif // __SIM_OBJECT_HH__

src/sim/stat_control.hh

@@ -46,6 +46,12 @@
 
 namespace Stats {
 
+double statElapsedTime();
+
+Tick statElapsedTicks();
+
+Tick statFinalTick();
+
 void initSimStats();
 
 /**

src/sim/system.hh

@@ -472,4 +472,6 @@ class System : public MemObject
 
 };
 
+void printSystems();
+
 #endif // __SYSTEM_HH__