65 lines
1.6 KiB
Rust
65 lines
1.6 KiB
Rust
extern crate pkg_config;
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extern crate gcc;
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use std::env;
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use std::path::PathBuf;
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fn main() {
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let target = env::var("TARGET").unwrap();
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// libressl_pnacl_sys links the libs needed.
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if target.ends_with("nacl") { return; }
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let lib_dir = env::var("OPENSSL_LIB_DIR").ok();
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let include_dir = env::var("OPENSSL_INCLUDE_DIR").ok();
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if lib_dir.is_none() && include_dir.is_none() {
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if let Ok(info) = pkg_config::find_library("openssl") {
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build_old_openssl_shim(&info.include_paths);
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return;
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}
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}
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let libs_env = env::var("OPENSSL_LIBS").ok();
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let libs = match libs_env {
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Some(ref v) => v.split(":").collect(),
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None => if target.contains("windows") && env::var_os("MSYSTEM").is_none() {
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vec!("eay32", "ssl32")
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} else {
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vec!("crypto", "ssl")
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}
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};
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let mode = if env::var_os("OPENSSL_STATIC").is_some() {
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"static"
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} else {
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"dylib"
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};
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if let Some(lib_dir) = lib_dir {
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println!("cargo:rustc-flags=-L native={}", lib_dir);
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}
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let libs_arg = libs.iter().fold(String::new(), |args, lib| args + &format!(" -l {0}={1}", mode, lib));
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println!("cargo:rustc-flags={0}", libs_arg);
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let mut include_dirs = vec![];
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if let Some(include_dir) = include_dir {
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include_dirs.push(PathBuf::from(&include_dir));
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}
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build_old_openssl_shim(&include_dirs);
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}
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fn build_old_openssl_shim(include_paths: &[PathBuf]) {
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let mut config = gcc::Config::new();
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for path in include_paths {
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config.include(path);
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}
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config.file("src/old_openssl_shim.c")
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.compile("libold_openssl_shim.a");
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}
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