040000 tree 5ee8ea377ea428801c62451c7f0c2d2ac313e872	1 configure file
040000 tree f46f5d163ea0b8db892af47cdfa3710c92b4ecf4	2 asm language
040000 tree a5248ab5e3dd30f4aeb7000ba9a72faea5dedbed	3 nasm only
040000 tree 57767c4e5ed76e244c17843a2b68fb984c13e60c	4 through configure