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#![feature(env, path)]
extern crate "pkg-config" as pkg_config;
extern crate gcc;
use std::env;
fn main() {
let target = env::var("TARGET").unwrap();
if target.contains("android") {
let path = env::var("OPENSSL_PATH").ok()
.expect("Android does not provide openssl libraries, please build them yourself \
(instructions in the README) and provide their location through \
$OPENSSL_PATH.");
println!("cargo:rustc-flags=-L native={} -l crypto:static -l ssl:static", path);
return;
}
if target.contains("win32") || target.contains("win64") || target.contains("windows") {
println!("cargo:rustc-flags=-l crypto -l ssl -l gdi32 -l wsock32");
// going to assume the user has a new version of openssl
build_old_openssl_shim(false, vec![]);
return;
}
if let Ok(info) = pkg_config::Config::new().atleast_version("1.0.0").find("openssl") {
build_old_openssl_shim(false, info.include_paths);
return;
}
let err = match pkg_config::find_library("openssl") {
Ok(info) => {
build_old_openssl_shim(true, info.include_paths);
return;
}
Err(err) => err,
};
// pkg-config doesn't know of OpenSSL on FreeBSD 10.1 and OpenBSD uses LibreSSL
if target.contains("bsd") {
println!("cargo:rustc-flags=-l crypto -l ssl");
// going to assume the base system includes a new version of openssl
build_old_openssl_shim(false, vec![]);
return;
}
panic!("unable to find openssl: {}", err);
}
fn build_old_openssl_shim(is_old: bool, include_paths: Vec<Path>) {
let mut config = gcc::Config::new();
for path in include_paths {
config.include(path);
}
if is_old {
config.define("OLD_OPENSSL", None);
}
config.file("src/old_openssl_shim.c")
.compile("libold_openssl_shim.a");
}
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