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22 lines
667 B
Rust
22 lines
667 B
Rust
fn main() {
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// feature=["stm32g081kb"] etc.
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let stm32_chip: Vec<_> = std::env::vars()
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.map(|(a, _)| a)
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.filter(|x| {
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!x.starts_with("CARGO_FEATURE_STM32_METAPAC")
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&& !x.starts_with("CARGO_FEATURE_STM32_TIM")
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&& x.starts_with("CARGO_FEATURE_STM32")
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})
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.collect();
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match stm32_chip.len() {
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0 => {
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// Not using stm32.
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}
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1 => {
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// Allows to just use #[cfg(stm32)] if one of the stm32 chips is used.
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println!("cargo:rustc-cfg=stm32");
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}
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_ => panic!("multiple stm32xx definitions {:?}", stm32_chip),
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}
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}
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