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25 lines
837 B
Rust
25 lines
837 B
Rust
// Test proc-macro crate can be built without additional RUSTFLAGS
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// on musl target
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// override -Ctarget-feature=-crt-static from compiletest
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// compile-flags: --crate-type proc-macro -Ctarget-feature=
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// ignore-wasm32
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// ignore-sgx no support for proc-macro crate type
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// build-pass
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#![crate_type = "proc-macro"]
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// FIXME: This don't work when crate-type is specified by attribute
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// `#![crate_type = "proc-macro"]`, not by `--crate-type=proc-macro`
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// command line flag. This is because the list of `cfg` symbols is generated
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// before attributes are parsed. See rustc_interface::util::add_configuration
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#[cfg(target_feature = "crt-static")]
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compile_error!("crt-static is enabled");
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extern crate proc_macro;
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use proc_macro::TokenStream;
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#[proc_macro_derive(Foo)]
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pub fn derive_foo(input: TokenStream) -> TokenStream {
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input
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}
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