This is a second attempt at https://gerrit.lix.systems/c/lix/+/5516
instead of letting meson try to be cargo we'll just have cargo at home.
this requires some contortions to link everything together due to quite
a few meson deficiencies, but at the end we get to pretend that rust is
just c++ painted orange. we'll use cxx to bring real interop back soon.
also fixes#1230
also reverts 10845bfe63
co-authored-by: eldritch horrors <pennae@lix.systems>
Change-Id: Ib1fda843fa80d818705d5a65ec9054216a6a6964
they're not doing anything, and they're slightly in the way of reworking
the rust build infra. we'll add them back once that rework is completed.
Change-Id: Idde8ba3585fd08b89b4b4298349f8f58a29a9661
This is purely to let Cargo's dependency resolver do stuff for us, we do
not actually intend to build this stuff with Cargo to begin with.
Change-Id: I4c08d55595c7c27b7096375022581e1e34308a87