Use the global output folder variables for tbb output folders

external_libs/CMakeLists.txt

@@ -28,13 +28,13 @@ if (tbb_ADDED)
 
 	if (WIN32)
 		set_target_properties (
-			tbb tbbmalloc tbbmalloc_proxy PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
+			tbb tbbmalloc tbbmalloc_proxy PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
 		)
 		set_target_properties (
-			tbb tbbmalloc tbbmalloc_proxy PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib
+			tbb tbbmalloc tbbmalloc_proxy PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}
 		)
 		set_target_properties (
-			tbb tbbmalloc tbbmalloc_proxy PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib
+			tbb tbbmalloc tbbmalloc_proxy PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
 		)
 	endif ()
 endif ()