use eio port

mirage/capnp-rpc#256

Author: RyanGibb

capnp-rpc-demo.opam

@@ -8,4 +8,12 @@ depends: [
 build: [
   ["dune" "build" "-p" name "-j" jobs]
   ["dune" "runtest" "-p" name "-j" jobs] {with-test}
+]
+dev-repo: "git+https://github.com/RyanGibb/aeon.git"
+pin-depends: [
+  # https://github.com/mirage/capnp-rpc/pull/256
+  ["capnp-rpc.dev" "git+https://github.com/talex5/capnp-rpc.git#c06e767b8a4ec5a87a07e62958cdb55d0d59c59d"]
+  ["capnp-rpc-lwt.dev" "git+https://github.com/talex5/capnp-rpc.git#c06e767b8a4ec5a87a07e62958cdb55d0d59c59d"]
+  ["capnp-rpc-net.dev" "git+https://github.com/talex5/capnp-rpc.git#c06e767b8a4ec5a87a07e62958cdb55d0d59c59d"]
+  ["capnp-rpc-unix.dev" "git+https://github.com/talex5/capnp-rpc.git#c06e767b8a4ec5a87a07e62958cdb55d0d59c59d"]
 ]