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035ecb565c
Since Rust 1.80 there is automatic compile-time checks for unexpected cfgs. Ensure that `have_basepri` cfg is known by the compiler emitting it in the build.rs.
31 lines
936 B
Rust
31 lines
936 B
Rust
use std::env;
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fn main() {
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let target = env::var("TARGET").unwrap();
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if version_check::Channel::read().unwrap().is_nightly() {
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println!("cargo:rustc-cfg=rustc_is_nightly");
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}
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// Make `have_basepri` an expected cfg.
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println!("cargo::rustc-check-cfg=cfg(have_basepri)");
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// These targets all have know support for the BASEPRI register.
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if target.starts_with("thumbv7m")
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| target.starts_with("thumbv7em")
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| target.starts_with("thumbv8m.main")
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{
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println!("cargo:rustc-cfg=have_basepri");
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// These targets are all known to _not_ have the BASEPRI register.
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} else if target.starts_with("thumb")
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&& !(target.starts_with("thumbv6m") | target.starts_with("thumbv8m.base"))
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{
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panic!(
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"Unknown target '{}'. Need to update BASEPRI logic in build.rs.",
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target
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);
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}
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println!("cargo:rerun-if-changed=build.rs");
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}
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