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build.rs
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build.rs
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extern crate riscv_target;
use riscv_target::Target;
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("riscv") && env::var_os("CARGO_FEATURE_INLINE_ASM").is_none() {
let mut target = Target::from_target_str(&target);
target.retain_extensions("ifdc");
let target = target.to_string();
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("riscv32") {
println!("cargo:rustc-cfg=riscv");
println!("cargo:rustc-cfg=riscv32");
} else if target.starts_with("riscv64") {
println!("cargo:rustc-cfg=riscv");
println!("cargo:rustc-cfg=riscv64");
}
}