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Error if the wrong architecture is being used #41

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Merged
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Aug 9, 2020
Merged

Error if the wrong architecture is being used #41

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9 changes: 8 additions & 1 deletion macros/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,14 @@ pub fn entry(
let stmts = block.stmts;
let unsafety = f.sig.unsafety;

quote::quote!(
quote::quote! (
#[cfg(not(any(doc, target_arch = "avr")))]
compile_error!(
"Ensure that you are using an AVR target! You may need to change \
directories or pass a --target flag to cargo. See
https://github.com/Rahix/avr-device/pull/41 for more details."
);

#(#attrs)*
#[doc(hidden)]
#[export_name = "main"]
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