native-ossl 0.1.0

Native Rust idiomatic bindings to OpenSSL
Documentation 
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// Register all cfg names so the unexpected_cfgs lint is satisfied regardless
// of which OpenSSL version is installed.
fn main() {
    println!("cargo::rustc-check-cfg=cfg(ossl307,ossl320,ossl350,ossl400,ossl_slhdsa,ossl_mldsa,ossl_mlkem,param_clear_free)");

    // native-ossl-sys has `links = "ssl"`, so its `cargo::metadata=KEY=1`
    // entries arrive here as DEP_SSL_KEY environment variables.
    // Re-emit each as a rustc cfg flag for use in native-ossl/src/.
    let flags = [
        ("DEP_SSL_OSSL307",        "ossl307"),
        ("DEP_SSL_OSSL320",        "ossl320"),
        ("DEP_SSL_OSSL350",        "ossl350"),
        ("DEP_SSL_OSSL400",        "ossl400"),
        ("DEP_SSL_OSSL_SLHDSA",    "ossl_slhdsa"),
        ("DEP_SSL_OSSL_MLDSA",     "ossl_mldsa"),
        ("DEP_SSL_OSSL_MLKEM",     "ossl_mlkem"),
        ("DEP_SSL_PARAM_CLEAR_FREE", "param_clear_free"),
    ];
    for (env_var, cfg_name) in flags {
        if std::env::var(env_var).is_ok() {
            println!("cargo::rustc-cfg={cfg_name}");
        }
    }
}