stripe-rust depends on a number of upstream libraries. Until [crate][crate] is ready for the main stage, I've submoduled in compatible versions.
make ext
ought to do something reasonable, as far as preparing them goes, but
isn't a dependency by default to allow for other configurations.
stripe-rust is tracking rust master, on a totally ad-hoc "As I happen to rebuild rust" fashion.
The last knowngood revision is: mozilla/rust@59f4619
make -L ext