diff --git a/physx/compiler/public/CMakeLists.txt b/physx/compiler/public/CMakeLists.txt
index bd85eee..f32fe82 100644
--- a/physx/compiler/public/CMakeLists.txt
+++ b/physx/compiler/public/CMakeLists.txt
@@ -33,6 +33,8 @@ ENDIF()
 
 project(PhysXSDK C CXX)
 
+SET(PHYSX_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE INTERNAL "PhysX Debug CXX Flags")
+
 OPTION(PX_BUILDSNIPPETS "Generate the snippets" OFF)
 OPTION(PX_BUILDPUBLICSAMPLES "Generate the samples" OFF)
 OPTION(PX_CMAKE_SUPPRESS_REGENERATION "Disable zero_check projects" OFF)
diff --git a/physx/source/compiler/cmake/windows/CMakeLists.txt b/physx/source/compiler/cmake/windows/CMakeLists.txt
index c772333..e8a243c 100644
--- a/physx/source/compiler/cmake/windows/CMakeLists.txt
+++ b/physx/source/compiler/cmake/windows/CMakeLists.txt
@@ -41,15 +41,17 @@ ELSE()
 	SET(PHYSX_FP_MODE "/fp:fast")	
 ENDIF()
 IF(CMAKE_CL_64)
-	SET(PHYSX_CXX_FLAGS "/d2Zi+ /MP /WX /W4 /GF /GS- /GR- /Gd ${PHYSX_FP_MODE} /Oy ${PHYSX_WARNING_DISABLES}" CACHE INTERNAL "PhysX CXX")
+	SET(PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS} ${PHYSX_FP_MODE} ${PHYSX_WARNING_DISABLES}" CACHE INTERNAL "PhysX CXX")
 ELSE()
-	SET(PHYSX_CXX_FLAGS "/arch:SSE2 /d2Zi+ /MP /WX /W4 /GF /GS- /GR- /Gd ${PHYSX_FP_MODE} /Oy ${PHYSX_WARNING_DISABLES}" CACHE INTERNAL "PhysX CXX")	
+	SET(PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS} /arch:SSE2 ${PHYSX_FP_MODE} ${PHYSX_WARNING_DISABLES}" CACHE INTERNAL "PhysX CXX")	
 ENDIF()
 
+if (0)
 SET(PHYSX_CXX_FLAGS_DEBUG "/Od ${WINCRT_DEBUG} /RTCu /Zi" CACHE INTERNAL "PhysX Debug CXX Flags")
 SET(PHYSX_CXX_FLAGS_CHECKED "/Ox ${WINCRT_NDEBUG} /Zi" CACHE INTERNAL "PhysX Checked CXX Flags")
 SET(PHYSX_CXX_FLAGS_PROFILE "/Ox ${WINCRT_NDEBUG} /Zi" CACHE INTERNAL "PhysX Profile CXX Flags")
 SET(PHYSX_CXX_FLAGS_RELEASE "/Ox ${WINCRT_NDEBUG} /Zi" CACHE INTERNAL "PhysX Release CXX Flags")
+endif()
 
 # cache lib type defs
 IF(PX_GENERATE_STATIC_LIBRARIES)