using 

https://github.com/monero-project/monero/pull/9305/commits/de9c461a98f5e1fe3d428222f4917991a74c4b8f

as example.

you can try to apply patch with "git am path_to_patch_file" command

it hopefully also works with older boost versions.

I tested on termux, where boost at 1.83.0 level and it compiles and shows help info.