fixed IBM Cell sdk build + demo (need to review related patch), thanks Jochen for reporting the issues.

src/BulletCollision/BroadphaseCollision/btAxisSweep3.h

@@ -42,6 +42,7 @@ protected:
 
 public:
 	
+ BT_DECLARE_ALIGNED_ALLOCATOR();
 
 	class Edge
 	{

src/BulletCollision/ibmsdk/Makefile

@@ -64,6 +64,7 @@ btSimulationIslandManager.o			\
 btSphereBoxCollisionAlgorithm.o			\
 btSphereSphereCollisionAlgorithm.o		\
 btSphereTriangleCollisionAlgorithm.o		\
+btActivatingCollisionAlgorithm.o		\
 btUnionFind.o					\
 SphereTriangleDetector.o			\
 btBoxShape.o					\

src/BulletMultiThreaded/Makefile.original

@@ -120,6 +120,9 @@ btAlignedAllocator : MakeOut
 SpuGatheringCollisionDispatcher : MakeOut
 	$(PPU_GCC) $(PPU_DEFFLAGS) $(PPU_CFLAGS) $(PPU_INCLUDEDIR) -o $(OUTDIR)/$@.o $@.cpp
 
+SequentialThreadSupport: MakeOut
+	$(PPU_GCC) $(PPU_DEFFLAGS) $(PPU_CFLAGS) $(PPU_INCLUDEDIR) -o $(OUTDIR)/$@.o $@.cpp
+
 SpuLibspe2Support: MakeOut
 	$(PPU_GCC) $(PPU_DEFFLAGS) $(PPU_CFLAGS) $(PPU_INCLUDEDIR) -o $(OUTDIR)/$@.o $@.cpp
 

src/BulletMultiThreaded/SpuNarrowPhaseCollisionTask/SpuCollisionShapes.cpp

@@ -16,7 +16,8 @@ subject to the following restrictions:
 
 #include "SpuCollisionShapes.h"
 
-#ifdef __SPU__
+///not supported on IBM SDK, until we fix the alignment of btVector3
+#if defined (__CELLOS_LV2__) && defined (__SPU__)
 #include <spu_intrinsics.h>
 static inline vec_float4 vec_dot3( vec_float4 vec0, vec_float4 vec1 )
 {
@@ -181,7 +182,7 @@ btVector3 localGetSupportingVertexWithoutMargin(int shapeType, void* shape, cons
 		{
 			//spu_printf("SPU: todo: getSupport CONVEX_HULL_SHAPE_PROXYTYPE\n");
 
-#if defined (__SPU__)
+#if defined (__CELLOS_LV2__) && defined (__SPU__)
 			vec_float4 v_distMax = {-FLT_MAX,0,0,0};
 			vec_int4 v_idxMax = {-999,0,0,0};
 			int v=0;