CMake: clear Windows SDK cached variables

Author: TheMostDiligent

CMakeLists.txt

@@ -115,6 +115,7 @@ if(WIN32)
     endif()
 
     # Get Windows SDK bin directory
+    unset(WINDOWS_SDK_BIN_DIR CACHE)
     if ("${WINDOWS_SDK_VERSION}" VERSION_GREATER_EQUAL "10.0")
         get_filename_component(
         WINDOWS_KITS_ROOT

Graphics/GraphicsEngineD3DBase/CMakeLists.txt

@@ -73,6 +73,10 @@ endif()
 
 # Set paths to D3Dcompiler_47.dll, dxcompiler.dll, and dxil.dll
 if(MSVC)
+    unset(D3D_COMPILER_PATH CACHE)
+	unset(DXC_COMPILER_PATH CACHE)
+	unset(DXIL_SIGNER_PATH CACHE)
+
     if("${WINDOWS_SDK_VERSION}" VERSION_GREATER_EQUAL "10.0" AND WINDOWS_SDK_BIN_DIR)
         set(D3D_COMPILER_PATH "${WINDOWS_SDK_BIN_DIR}/D3Dcompiler_47.dll")
 
@@ -97,7 +101,6 @@ if(MSVC)
             set(D3D_COMPILER_PATH "${D3D_COMPILER_PATH}" CACHE INTERNAL "D3Dcompiler_47.dll path")
         else()
             message(WARNING "Cannot find D3Dcompiler_47.dll. File does not exist: ${D3D_COMPILER_PATH}")
-            unset(D3D_COMPILER_PATH CACHE)
         endif()
     endif()
 
@@ -107,7 +110,6 @@ if(MSVC)
 		    set(DXC_COMPILER_PATH "${DXC_COMPILER_PATH}" CACHE INTERNAL "dxcompiler.dll path")
 	    else()
 		    message(WARNING "Cannot find dxcompiler.dll. File does not exist: ${DXC_COMPILER_PATH}")
-		    unset(DXC_COMPILER_PATH CACHE)
         endif()
     endif()
 
@@ -117,7 +119,6 @@ if(MSVC)
 			set(DXIL_SIGNER_PATH "${DXIL_SIGNER_PATH}" CACHE INTERNAL "dxil.dll path")
 		else()
 			message(WARNING "Cannot find dxil.dll. File does not exist: ${DXIL_SIGNER_PATH}")
-			unset(DXIL_SIGNER_PATH CACHE)
 		endif()
     endif()
 endif()