add_subdirectory(fmt)
add_subdirectory(icu)
add_subdirectory(md5)
add_subdirectory(squirrel)
add_subdirectory(opengl)
add_subdirectory(os2)
add_subdirectory(cpp-btree)
add_subdirectory(mingw-std-threads)
add_subdirectory(monocypher)
add_subdirectory(randombytes)
add_subdirectory(optional)
add_subdirectory(robin_hood)