Building UE 4.27 fails due to missing Physx headers on Microsoft Windows

I’m also getting errors when trying to compile on Windows 10, Win64, Dev Editor, but from Chaos and stuff…

origin/4.27, latest commit 2021-07-21. sha: acb99cb9fcff4b1952aeb196093819f76c952412

Severity	Code	Description	Project	File	Line	Suppression State
Error	C2664	'void FChaosEngineInterface::CreateActor(const FActorCreationParams &,FPhysicsActorHandle &)': cannot convert argument 2 from 'Chaos::TGeometryParticle<float,3> *' to 'FPhysicsActorHandle &'	HeadlessChaos	D:\Code\UnrealEngine\Engine\Source\Programs\HeadlessChaos\Private\HeadlessChaosTestPhysicsScene.cpp	1377	
Error (active)	E0434	a reference of type "FPhysicsActorHandle &" (not const-qualified) cannot be initialized with a value of type "Chaos::TGeometryParticle<float, 3> *"	HeadlessChaos	D:\Code\UnrealEngine\Engine\Source\Programs\HeadlessChaos\Private\HeadlessChaosTestPhysicsScene.cpp	1377	
Error (active)	E0434	a reference of type "TArray<FPhysicsActorHandle, FDefaultAllocator> &" (not const-qualified) cannot be initialized with a value of type "TArray<Chaos::FGeometryParticle *, FDefaultAllocator>"	HeadlessChaos	D:\Code\UnrealEngine\Engine\Source\Programs\HeadlessChaos\Private\HeadlessChaosTestPhysicsScene.cpp	1395	
Error (active)	E1574	static assertion failed with "TAtomic is only usable with trivial types"	HeadlessChaos	D:\Code\UnrealEngine\Engine\Source\Runtime\Core\Public\Templates\Atomic.h	543	
Warning		The referenced component 'MobileDeviceInterface' could not be found.	AutomationTool			
Error	C2664	'void FChaosScene::AddActorsToScene_AssumesLocked(TArray<FSingleParticlePhysicsProxy *,FDefaultAllocator> &,const bool)': cannot convert argument 1 from 'TArray<Chaos::FGeometryParticle *,FDefaultAllocator>' to 'TArray<FSingleParticlePhysicsProxy *,FDefaultAllocator> &'	HeadlessChaos	D:\Code\UnrealEngine\Engine\Source\Programs\HeadlessChaos\Private\HeadlessChaosTestPhysicsScene.cpp	1395