diff --git a/Extras/BulletColladaConverter/ColladaConverter.cpp b/Extras/BulletColladaConverter/ColladaConverter.cpp
index 5d741ca25..b01395610 100644
--- a/Extras/BulletColladaConverter/ColladaConverter.cpp
+++ b/Extras/BulletColladaConverter/ColladaConverter.cpp
@@ -46,7 +46,19 @@ subject to the following restrictions:
 #define snprintf _snprintf
 #endif
 
-
+#ifdef __CELLOS_LV2__
+//provide some dummy stubs for getcwd and getenv on PS3
+extern "C" {
+	int getcwd(char* dir, int maxlen)
+	{
+		return 0;
+	}
+	int getenv(int bla)
+	{
+		return 0;
+	}
+}
+#endif
 
 
 struct	btRigidBodyInput
diff --git a/Extras/BulletMultiThreaded/SpuSolverTask/SpuParallellSolverTask.cpp b/Extras/BulletMultiThreaded/SpuSolverTask/SpuParallellSolverTask.cpp
index 6f4627214..74a2cae46 100644
--- a/Extras/BulletMultiThreaded/SpuSolverTask/SpuParallellSolverTask.cpp
+++ b/Extras/BulletMultiThreaded/SpuSolverTask/SpuParallellSolverTask.cpp
@@ -779,7 +779,6 @@ static void setupLinearConstraintWorld (SpuSolverConstraint& constraint, const b
 
 
 
-
 static int getConstraintSize (btTypedConstraintType type)
 {
 	switch (type)
diff --git a/Extras/LibXML/config-ps3.h b/Extras/LibXML/config-ps3.h
index bb78f328b..2181cec9c 100644
--- a/Extras/LibXML/config-ps3.h
+++ b/Extras/LibXML/config-ps3.h
@@ -149,7 +149,7 @@
 /* #undef HAVE_SIGNAL */
 
 /* Define to 1 if you have the <signal.h> header file. */
-#define HAVE_SIGNAL_H 1
+//#define HAVE_SIGNAL_H 0
 
 /* Define to 1 if you have the `snprintf' function. */
 #define HAVE_SNPRINTF 1
diff --git a/Extras/LibXML/config.h b/Extras/LibXML/config.h
index fb5761d31..3c4dea1fd 100644
--- a/Extras/LibXML/config.h
+++ b/Extras/LibXML/config.h
@@ -147,10 +147,10 @@
 /* #undef HAVE_SHLLOAD */
 
 /* Define to 1 if you have the `signal' function. */
-#define HAVE_SIGNAL 1
+//#define HAVE_SIGNAL 1
 
 /* Define to 1 if you have the <signal.h> header file. */
-#define HAVE_SIGNAL_H 1
+//#define HAVE_SIGNAL_H 1
 
 /* Define to 1 if you have the `snprintf' function. */
 #define HAVE_SNPRINTF 1
diff --git a/Extras/LibXML/config2.h b/Extras/LibXML/config2.h
index 2febfcde3..17b141ac8 100644
--- a/Extras/LibXML/config2.h
+++ b/Extras/LibXML/config2.h
@@ -147,10 +147,10 @@
 /* #undef HAVE_SHLLOAD */
 
 /* Define to 1 if you have the `signal' function. */
-#define HAVE_SIGNAL 1
+//#define HAVE_SIGNAL 1
 
 /* Define to 1 if you have the <signal.h> header file. */
-#define HAVE_SIGNAL_H 1
+//#define HAVE_SIGNAL_H 1
 
 /* Define to 1 if you have the `snprintf' function. */
 #define HAVE_SNPRINTF 1
diff --git a/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp b/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp
index 31e485e50..7c2ecd609 100644
--- a/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp
+++ b/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp
@@ -407,8 +407,6 @@ void	btCollisionWorld::objectQuerySingle(const btConvexShape* castShape,const bt
 		btVoronoiSimplexSolver	simplexSolver;
 		btGjkEpaPenetrationDepthSolver	gjkEpaPenetrationSolver;
 		
-		bool result =  false;
-		
 		btContinuousConvexCollision convexCaster1(castShape,convexShape,&simplexSolver,&gjkEpaPenetrationSolver);
 		//btGjkConvexCast convexCaster2(castShape,convexShape,&simplexSolver);
 		//btSubsimplexConvexCast convexCaster3(castShape,convexShape,&simplexSolver);
diff --git a/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.cpp b/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.cpp
index 130321be6..d624c810f 100644
--- a/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.cpp
+++ b/src/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolver.cpp
@@ -245,7 +245,6 @@ btScalar resolveSingleCollisionCombinedCacheFriendly(
 	(void)solverInfo;
 
 	btScalar normalImpulse;
-	bool	useSplitImpulse = false;
 
 	{