Linking ttogl obj/Debug/cooking.o: In function `hasCookingLibrary()': ../Physics/cooking.cpp:30: undefined reference to `NxGetCookingLib' obj/Debug/DrawObjects.o: In function `NxNormalToTangents(NxVec3 const&, NxVec3&, NxVec3&)': ../deps/PhysX/Physics/NxExportedUtils.h:682: undefined reference to `NxGetUtilLib' obj/Debug/DrawObjects.o: In function `NxComputeBoxPoints(NxBox const&, NxVec3*)': ../deps/PhysX/Physics/NxExportedUtils.h:116: undefined reference to `NxGetUtilLib' obj/Debug/DrawObjects.o: In function `NxGetBoxEdges()': ../deps/PhysX/Physics/NxExportedUtils.h:160: undefined reference to `NxGetUtilLib' obj/Debug/icPhysics.o: In function `icPhysics::acInit()': ../Physics/icPhysics.cpp:154: undefined reference to `NxCreatePhysicsSDK' obj/Debug/icCharacterControl.o: In function `icCharacterControl::acReleaseCharacterControllers(NxScene&)': ../Physics/icCharacterControl.cpp:231: undefined reference to `ControllerManager::purgeControllers()' obj/Debug/icCharacterControl.o: In function `icCharacterControl::acInit()': ../Physics/icCharacterControl.cpp:197: undefined reference to `ControllerManager::createController(NxScene*, NxControllerDesc const&)' obj/Debug/icCharacterControl.o: In function `icCharacterControl::acUpdateControllers()': ../Physics/icCharacterControl.cpp:148: undefined reference to `ControllerManager::updateControllers()' obj/Debug/icCharacterControl.o: In function `~icCharacterControl': ../Physics/icCharacterControl.cpp:52: undefined reference to `ControllerManager::~ControllerManager()' ../Physics/icCharacterControl.cpp:52: undefined reference to `ControllerManager::~ControllerManager()' ../Physics/icCharacterControl.cpp:52: undefined reference to `ControllerManager::~ControllerManager()' obj/Debug/icCharacterControl.o: In function `icCharacterControl': ../Physics/icCharacterControl.cpp:31: undefined reference to `ControllerManager::ControllerManager()' ../Physics/icCharacterControl.cpp:31: undefined reference to `ControllerManager::ControllerManager()' collect2: ld returned 1 exit status make[1]: *** [ttogl] Error 1 make: *** [ttogl] Error 2