040000 tree d8ab74e672e303adda9110177d5779ad22c56379	dynamic_thread
040000 tree 26bd72a2d7825474b171acd2e0f6ea33bcce25c4	no-multithreading
040000 tree 91001a8ebd7c4e2e96274bb6262e83738c0f5561	thread_apis
040000 tree ee2ed6474cd109b33ffe55165dd167dc308e33fb	thread_init