diff --git a/Demos/MultiThreadedDemo/MultiThreadedDemo.cpp b/Demos/MultiThreadedDemo/MultiThreadedDemo.cpp
index fc586e7ca..f618c9f06 100644
--- a/Demos/MultiThreadedDemo/MultiThreadedDemo.cpp
+++ b/Demos/MultiThreadedDemo/MultiThreadedDemo.cpp
@@ -254,7 +254,7 @@ int maxNumOutstandingTasks = 4;
 
 #ifdef USE_WIN32_THREADING
 
-	m_threadSupportCollision = new Win32ThreadSupport(Win32ThreadSupport::Win32ThreadConstructionInfo(
+m_threadSupportCollision = new Win32ThreadSupport(Win32ThreadSupport::Win32ThreadConstructionInfo(
 								"collision",
 								processCollisionTask,
 								createCollisionLocalStoreMemory,
diff --git a/Extras/BulletMultiThreaded/PlatformDefinitions.h b/Extras/BulletMultiThreaded/PlatformDefinitions.h
index 1147c00d9..9e7a13ce3 100644
--- a/Extras/BulletMultiThreaded/PlatformDefinitions.h
+++ b/Extras/BulletMultiThreaded/PlatformDefinitions.h
@@ -12,6 +12,8 @@ typedef union
   void *p;
 } addr64;
 
+#define USE_WIN32_THREADING 1
+
 		#if defined(__MINGW32__) || defined(__CYGWIN__) || (defined (_MSC_VER) && _MSC_VER < 1300)
 		#else
 		#endif //__MINGW32__
@@ -26,7 +28,7 @@ typedef union
 			
 #include <string.h> //memcpy
 
-		#define USE_WIN32_THREADING 1
+		
 
 		#include <stdio.h>		
 		#define spu_printf printf
diff --git a/Extras/BulletMultiThreaded/Win32ThreadSupport.cpp b/Extras/BulletMultiThreaded/Win32ThreadSupport.cpp
index 842f3d6c9..c89e32433 100644
--- a/Extras/BulletMultiThreaded/Win32ThreadSupport.cpp
+++ b/Extras/BulletMultiThreaded/Win32ThreadSupport.cpp
@@ -17,17 +17,20 @@ subject to the following restrictions:
 
 #ifdef USE_WIN32_THREADING
 
+#include <windows.h>
+
 #include "SpuCollisionTaskProcess.h"
+
 #include "SpuNarrowPhaseCollisionTask/SpuGatheringCollisionTask.h"
 
-#include <Windows.h>
+
 
 ///The number of threads should be equal to the number of available cores
 ///Todo: each worker should be linked to a single core, using SetThreadIdealProcessor.
 
 ///Win32ThreadSupport helps to initialize/shutdown libspe2, start/stop SPU tasks and communication
 ///Setup and initialize SPU/CELL/Libspe2
-Win32ThreadSupport::Win32ThreadSupport(Win32ThreadConstructionInfo& threadConstructionInfo)
+Win32ThreadSupport::Win32ThreadSupport(const Win32ThreadConstructionInfo & threadConstructionInfo)
 {
 	startThreads(threadConstructionInfo);
 }
@@ -173,7 +176,7 @@ void Win32ThreadSupport::waitForResponse(unsigned int *puiArgument0, unsigned in
 
 
 
-void Win32ThreadSupport::startThreads(Win32ThreadConstructionInfo& threadConstructionInfo)
+void Win32ThreadSupport::startThreads(const Win32ThreadConstructionInfo& threadConstructionInfo)
 {
 
 	m_activeSpuStatus.resize(threadConstructionInfo.m_numThreads);
diff --git a/Extras/BulletMultiThreaded/Win32ThreadSupport.h b/Extras/BulletMultiThreaded/Win32ThreadSupport.h
index dadf645dd..b82d94868 100644
--- a/Extras/BulletMultiThreaded/Win32ThreadSupport.h
+++ b/Extras/BulletMultiThreaded/Win32ThreadSupport.h
@@ -67,8 +67,6 @@ private:
 public:
 	///Setup and initialize SPU/CELL/Libspe2
 
-	
-
 	struct	Win32ThreadConstructionInfo
 	{
 		Win32ThreadConstructionInfo(char* uniqueName,
@@ -94,12 +92,14 @@ public:
 
 	};
 
-	Win32ThreadSupport(Win32ThreadConstructionInfo& threadConstructionInfo);
+
+
+	Win32ThreadSupport(const Win32ThreadConstructionInfo& threadConstructionInfo);
 
 ///cleanup/shutdown Libspe2
 	virtual	~Win32ThreadSupport();
 
-	void	startThreads(Win32ThreadConstructionInfo&	threadInfo);
+	void	startThreads(const Win32ThreadConstructionInfo&	threadInfo);
 
 
 ///send messages to SPUs
diff --git a/Extras/COLLADA_DOM/src/dae/daeMetaElement.cpp b/Extras/COLLADA_DOM/src/dae/daeMetaElement.cpp
index 26e765e30..d88d62992 100644
--- a/Extras/COLLADA_DOM/src/dae/daeMetaElement.cpp
+++ b/Extras/COLLADA_DOM/src/dae/daeMetaElement.cpp
@@ -225,7 +225,7 @@ void
 daeMetaElement::validate()
 {
 	if (_createFunc == NULL)
-		_createFunc = DAECreateElement;
+		_createFunc = (daeElementConstructFunctionPtr) DAECreateElement;
 	if (_elementSize == 0)
 	{
 		daeInt place=0;
diff --git a/Extras/LibXML/xmlmodule.c b/Extras/LibXML/xmlmodule.c
index 15bcf077c..f46531bfd 100644
--- a/Extras/LibXML/xmlmodule.c
+++ b/Extras/LibXML/xmlmodule.c
@@ -190,6 +190,7 @@ xmlModuleFree(xmlModulePtr module)
     return (0);
 }
 
+#if 0
 #ifdef HAVE_DLOPEN
 #ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
@@ -287,6 +288,7 @@ xmlModulePlatformSymbol(void *handle, const char *name, void **symbol)
 
 #endif /* HAVE_SHLLOAD */
 #endif /* ! HAVE_DLOPEN */
+#endif //0
 
 #ifdef _WIN32
 
diff --git a/Glut/GL/glut.h b/Glut/GL/glut.h
index 1c821d74d..188ccb0ab 100644
--- a/Glut/GL/glut.h
+++ b/Glut/GL/glut.h
@@ -40,7 +40,10 @@
 #  endif
    /* XXX This is from Win32's <ctype.h> */
 #  ifndef _WCHAR_T_DEFINED
-typedef unsigned short wchar_t;
+/* MinGW32 chokes on the next line */
+#ifndef __MINGW32__
+typedef unsigned short int wchar_t;
+#endif //__MINGW32__
 #   define _WCHAR_T_DEFINED
 #  endif
 # endif