42 lines
1.4 KiB
Rust
42 lines
1.4 KiB
Rust
use std::{env, path::PathBuf};
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pub const ENV_KEY_CSP_CONFIG_DIR: &str = "CSP_CONFIG_DIR";
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pub const ENV_KEY_TEST: &str = "RUN_TESTS";
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fn main() {
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// libcsp is built in a separate project, so linking it for tests will fail.
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// For tests, we do not want to have the link directive to csp.
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let run_tests = if let Ok(val) = env::var(ENV_KEY_TEST) {
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val == "1"
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} else {
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false
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};
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if !run_tests {
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println!("cargo:rustc-link-lib=csp");
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}
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let out_path = env::var("OUT_DIR").unwrap();
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let csp_conf_dir = match env::var(ENV_KEY_CSP_CONFIG_DIR) {
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Ok(conf_path) => conf_path,
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Err(_e) => {
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println!(
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"cargo:warning={} not set, using CARGO_MANIFEST_DIR to search for autoconfig.rs",
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ENV_KEY_CSP_CONFIG_DIR
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);
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env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR not set")
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}
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};
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let mut csp_conf_path = PathBuf::new();
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csp_conf_path.push(csp_conf_dir);
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csp_conf_path.push("autoconfig.rs");
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if !csp_conf_path.exists() {
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panic!(
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"autoconfig.rs not found at {:?}, is required for library build",
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csp_conf_path
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);
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}
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let out_path_full = PathBuf::from(&out_path).join("autoconfig.rs");
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std::fs::copy(&csp_conf_path, out_path_full).expect("failed to copy autoconfig.rs to OUT_DIR");
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println!("cargo::rerun-if-changed={:?}", &csp_conf_path);
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}
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