libcsp-rust/libcsp-sys/build.rs

32 lines
1.1 KiB
Rust

use std::{env, path::PathBuf};
pub const ENV_KEY_CSP_CONFIG_DIR: &str = "CSP_CONFIG_DIR";
fn main() {
println!("cargo:rustc-link-lib=csp");
let out_path = env::var("OUT_DIR").unwrap();
let csp_conf_dir = match env::var(ENV_KEY_CSP_CONFIG_DIR) {
Ok(conf_path) => conf_path,
Err(_e) => {
println!(
"cargo:warning={} not set, using CARGO_MANIFEST_DIR to search for autoconfig.rs",
ENV_KEY_CSP_CONFIG_DIR
);
env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR not set")
}
};
let mut csp_conf_path = PathBuf::new();
csp_conf_path.push(csp_conf_dir);
csp_conf_path.push("autoconfig.rs");
if !csp_conf_path.exists() {
panic!(
"autoconfig.rs not found at {:?}, is required for library build",
csp_conf_path
);
}
let out_path_full = PathBuf::from(&out_path).join("autoconfig.rs");
std::fs::copy(&csp_conf_path, out_path_full).expect("failed to copy autoconfig.rs to OUT_DIR");
println!("cargo::rerun-if-changed={:?}", &csp_conf_path);
}