libstd: add xous to libstd

Add the `xous` target to libstd. Currently this defers everything to the
`unsupported` target.

Signed-off-by: Sean Cross <sean@xobs.io>

1 files changed, 3 insertions, 0 deletions

diff --git a/library/std/src/sys/mod.rs b/library/std/src/sys/mod.rs
index beea3f23c2d..d30dbebe797 100644
--- a/library/std/src/sys/mod.rs
+++ b/library/std/src/sys/mod.rs
@@ -44,6 +44,9 @@ cfg_if::cfg_if! {
     } else if #[cfg(target_family = "wasm")] {
         mod wasm;
         pub use self::wasm::*;
+    } else if #[cfg(target_os = "xous")] {
+        mod xous;
+        pub use self::xous::*;
     } else if #[cfg(all(target_vendor = "fortanix", target_env = "sgx"))] {
         mod sgx;
         pub use self::sgx::*;