use std::env; use std::path::PathBuf; fn main() { let crate_dir = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap()); let chip_core_name = env::vars_os() .map(|(a, _)| a.to_string_lossy().to_string()) .find(|x| x.starts_with("CARGO_FEATURE_STM32")) .expect("No stm32xx Cargo feature enabled") .strip_prefix("CARGO_FEATURE_") .unwrap() .to_ascii_lowercase() .replace('_', "-"); println!( "cargo:rustc-link-search={}/src/chips/{}", crate_dir.display(), chip_core_name, ); #[cfg(feature = "memory-x")] println!( "cargo:rustc-link-search={}/src/chips/{}/memory_x/", crate_dir.display(), chip_core_name ); println!( "cargo:rustc-env=STM32_METAPAC_PAC_PATH=chips/{}/pac.rs", chip_core_name ); println!( "cargo:rustc-env=STM32_METAPAC_METADATA_PATH=chips/{}/metadata.rs", chip_core_name ); println!("cargo:rerun-if-changed=build.rs"); }