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build.rs
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build.rs
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use std::path::PathBuf;
use std::{env, fs};
fn main() {
let target = env::var("TARGET").unwrap();
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let name = env::var("CARGO_PKG_NAME").unwrap();
if target.starts_with("thumb") && env::var_os("CARGO_FEATURE_INLINE_ASM").is_none() {
fs::copy(
format!("bin/{}.a", target),
out_dir.join(format!("lib{}.a", name)),
).unwrap();
println!("cargo:rustc-link-lib=static={}", name);
println!("cargo:rustc-link-search={}", out_dir.display());
}
if target.starts_with("thumbv6m-") {
println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv6m");
} else if target.starts_with("thumbv7m-") {
println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv7m");
} else if target.starts_with("thumbv7em-") {
println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv7m");
//println!("cargo:rustc-cfg=armv7em");
} else if target.starts_with("thumbv8m") {
println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv8m");
}
if target.ends_with("-eabihf") {
println!("cargo:rustc-cfg=has_fpu");
}
}