diff --git a/third_party/tbb/address_waiter.cpp b/third_party/tbb/address_waiter.cc
similarity index 100%
rename from third_party/tbb/address_waiter.cpp
rename to third_party/tbb/address_waiter.cc
diff --git a/third_party/tbb/allocator.cpp b/third_party/tbb/allocator.cc
similarity index 100%
rename from third_party/tbb/allocator.cpp
rename to third_party/tbb/allocator.cc
diff --git a/third_party/tbb/arena.cpp b/third_party/tbb/arena.cc
similarity index 100%
rename from third_party/tbb/arena.cpp
rename to third_party/tbb/arena.cc
diff --git a/third_party/tbb/arena_slot.cpp b/third_party/tbb/arena_slot.cc
similarity index 100%
rename from third_party/tbb/arena_slot.cpp
rename to third_party/tbb/arena_slot.cc
diff --git a/third_party/tbb/concurrent_bounded_queue.cpp b/third_party/tbb/concurrent_bounded_queue.cc
similarity index 100%
rename from third_party/tbb/concurrent_bounded_queue.cpp
rename to third_party/tbb/concurrent_bounded_queue.cc
diff --git a/third_party/tbb/dynamic_link.cpp b/third_party/tbb/dynamic_link.cc
similarity index 100%
rename from third_party/tbb/dynamic_link.cpp
rename to third_party/tbb/dynamic_link.cc
diff --git a/third_party/tbb/exception.cpp b/third_party/tbb/exception.cc
similarity index 100%
rename from third_party/tbb/exception.cpp
rename to third_party/tbb/exception.cc
diff --git a/third_party/tbb/global_control.cpp b/third_party/tbb/global_control.cc
similarity index 100%
rename from third_party/tbb/global_control.cpp
rename to third_party/tbb/global_control.cc
diff --git a/third_party/tbb/governor.cpp b/third_party/tbb/governor.cc
similarity index 100%
rename from third_party/tbb/governor.cpp
rename to third_party/tbb/governor.cc
diff --git a/third_party/tbb/itt_notify.cpp b/third_party/tbb/itt_notify.cc
similarity index 100%
rename from third_party/tbb/itt_notify.cpp
rename to third_party/tbb/itt_notify.cc
diff --git a/third_party/tbb/main.cpp b/third_party/tbb/main.cc
similarity index 100%
rename from third_party/tbb/main.cpp
rename to third_party/tbb/main.cc
diff --git a/third_party/tbb/market.cpp b/third_party/tbb/market.cc
similarity index 100%
rename from third_party/tbb/market.cpp
rename to third_party/tbb/market.cc
diff --git a/third_party/tbb/misc.cpp b/third_party/tbb/misc.cc
similarity index 100%
rename from third_party/tbb/misc.cpp
rename to third_party/tbb/misc.cc
diff --git a/third_party/tbb/misc_ex.cpp b/third_party/tbb/misc_ex.cc
similarity index 100%
rename from third_party/tbb/misc_ex.cpp
rename to third_party/tbb/misc_ex.cc
diff --git a/third_party/tbb/observer_proxy.cpp b/third_party/tbb/observer_proxy.cc
similarity index 100%
rename from third_party/tbb/observer_proxy.cpp
rename to third_party/tbb/observer_proxy.cc
diff --git a/third_party/tbb/parallel_pipeline.cpp b/third_party/tbb/parallel_pipeline.cc
similarity index 100%
rename from third_party/tbb/parallel_pipeline.cpp
rename to third_party/tbb/parallel_pipeline.cc
diff --git a/third_party/tbb/private_server.cpp b/third_party/tbb/private_server.cc
similarity index 100%
rename from third_party/tbb/private_server.cpp
rename to third_party/tbb/private_server.cc
diff --git a/third_party/tbb/profiling.cpp b/third_party/tbb/profiling.cc
similarity index 100%
rename from third_party/tbb/profiling.cpp
rename to third_party/tbb/profiling.cc
diff --git a/third_party/tbb/queuing_rw_mutex.cpp b/third_party/tbb/queuing_rw_mutex.cc
similarity index 100%
rename from third_party/tbb/queuing_rw_mutex.cpp
rename to third_party/tbb/queuing_rw_mutex.cc
diff --git a/third_party/tbb/rml_tbb.cpp b/third_party/tbb/rml_tbb.cc
similarity index 100%
rename from third_party/tbb/rml_tbb.cpp
rename to third_party/tbb/rml_tbb.cc
diff --git a/third_party/tbb/rtm_mutex.cpp b/third_party/tbb/rtm_mutex.cc
similarity index 100%
rename from third_party/tbb/rtm_mutex.cpp
rename to third_party/tbb/rtm_mutex.cc
diff --git a/third_party/tbb/rtm_rw_mutex.cpp b/third_party/tbb/rtm_rw_mutex.cc
similarity index 100%
rename from third_party/tbb/rtm_rw_mutex.cpp
rename to third_party/tbb/rtm_rw_mutex.cc
diff --git a/third_party/tbb/semaphore.cpp b/third_party/tbb/semaphore.cc
similarity index 100%
rename from third_party/tbb/semaphore.cpp
rename to third_party/tbb/semaphore.cc
diff --git a/third_party/tbb/small_object_pool.cpp b/third_party/tbb/small_object_pool.cc
similarity index 100%
rename from third_party/tbb/small_object_pool.cpp
rename to third_party/tbb/small_object_pool.cc
diff --git a/third_party/tbb/task.cpp b/third_party/tbb/task.cc
similarity index 100%
rename from third_party/tbb/task.cpp
rename to third_party/tbb/task.cc
diff --git a/third_party/tbb/task_dispatcher.cpp b/third_party/tbb/task_dispatcher.cc
similarity index 100%
rename from third_party/tbb/task_dispatcher.cpp
rename to third_party/tbb/task_dispatcher.cc
diff --git a/third_party/tbb/task_group_context.cpp b/third_party/tbb/task_group_context.cc
similarity index 100%
rename from third_party/tbb/task_group_context.cpp
rename to third_party/tbb/task_group_context.cc
diff --git a/third_party/tbb/thread_dispatcher.cpp b/third_party/tbb/thread_dispatcher.cc
similarity index 100%
rename from third_party/tbb/thread_dispatcher.cpp
rename to third_party/tbb/thread_dispatcher.cc
diff --git a/third_party/tbb/thread_request_serializer.cpp b/third_party/tbb/thread_request_serializer.cc
similarity index 100%
rename from third_party/tbb/thread_request_serializer.cpp
rename to third_party/tbb/thread_request_serializer.cc
diff --git a/third_party/tbb/threading_control.cpp b/third_party/tbb/threading_control.cc
similarity index 100%
rename from third_party/tbb/threading_control.cpp
rename to third_party/tbb/threading_control.cc
diff --git a/third_party/tbb/version.cpp b/third_party/tbb/version.cc
similarity index 100%
rename from third_party/tbb/version.cpp
rename to third_party/tbb/version.cc