fix: give a more descriptive error when compiling to unsupported targets

.github/workflows/rust.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2024-02-07
+          toolchain: nightly-2024-02-07-armv7a-vexos-eabi
           override: true
 
       - name: Check

CHANGELOG.md

@@ -35,6 +35,7 @@ Before releasing:
 ### Fixed
 
 - Fix error handling and error type variats in ADI bindings
+- Give a better error when compiling for an unsupported target.
 
 ### Changed
 

packages/pros/src/lib.rs

@@ -79,6 +79,10 @@ pub use pros_sys as __pros_sys;
 mod vexos_env;
 #[cfg(target_arch = "wasm32")]
 mod wasm_env;
+
+#[cfg(not(all(target_os = "vexos", target_arch = "wasm32")))]
+compile_error!("You are compiling pros-rs with an unsupported target! Supported targets are armv7a-vexos-eabi and wasm32. If you aren't sure what this means, please compile with `cargo pros`");
+
 #[macro_use]
 pub mod competition;
 pub mod color;