Allow build without download (#1334)
Allow build without download (#1334)

* Add option for downloading dependencies

* Format the boost json import code

Co-authored-by: friendlyanon <430dfbca443bd7ef6b656ba352f4a276b0d9c286@users.noreply.github.com>
lemire/simdjson,lemire/simdjson,lemire/simdjson,lemire/simdjson,lemire/simdjson,lemire/simdjson