How to run zerotier-one for a embedded device( DART-MX8M-MINI )

I’m beginner for zerotier, I try to cross-complier zerotier-one。I try to create toolchain.cmake, but it just produce a libzerotiercore.a . I don’t know how to create a executable zerotier-one for my embedded device DART-MX8M-MINI (cpu is A53. yocto is Hardknott (kernel 5.10.72) ).
could anyone help me! thanks!