| // Copyright 2021 The BoringSSL Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| use std::env; |
| use std::path::Path; |
| use std::path::PathBuf; |
| |
| // Keep in sync with the list in include/openssl/opensslconf.h |
| const OSSL_CONF_DEFINES: &[&str] = &[ |
| "OPENSSL_NO_ASYNC", |
| "OPENSSL_NO_BF", |
| "OPENSSL_NO_BLAKE2", |
| "OPENSSL_NO_BUF_FREELISTS", |
| "OPENSSL_NO_CAMELLIA", |
| "OPENSSL_NO_CAPIENG", |
| "OPENSSL_NO_CAST", |
| "OPENSSL_NO_CMS", |
| "OPENSSL_NO_COMP", |
| "OPENSSL_NO_CT", |
| "OPENSSL_NO_DANE", |
| "OPENSSL_NO_DEPRECATED", |
| "OPENSSL_NO_DGRAM", |
| "OPENSSL_NO_DYNAMIC_ENGINE", |
| "OPENSSL_NO_EC_NISTP_64_GCC_128", |
| "OPENSSL_NO_EC2M", |
| "OPENSSL_NO_EGD", |
| "OPENSSL_NO_ENGINE", |
| "OPENSSL_NO_GMP", |
| "OPENSSL_NO_GOST", |
| "OPENSSL_NO_HEARTBEATS", |
| "OPENSSL_NO_HW", |
| "OPENSSL_NO_IDEA", |
| "OPENSSL_NO_JPAKE", |
| "OPENSSL_NO_KRB5", |
| "OPENSSL_NO_MD2", |
| "OPENSSL_NO_MDC2", |
| "OPENSSL_NO_OCB", |
| "OPENSSL_NO_OCSP", |
| "OPENSSL_NO_RC2", |
| "OPENSSL_NO_RC5", |
| "OPENSSL_NO_RFC3779", |
| "OPENSSL_NO_RIPEMD", |
| "OPENSSL_NO_RMD160", |
| "OPENSSL_NO_SCTP", |
| "OPENSSL_NO_SEED", |
| "OPENSSL_NO_SM2", |
| "OPENSSL_NO_SM3", |
| "OPENSSL_NO_SM4", |
| "OPENSSL_NO_SRP", |
| "OPENSSL_NO_SSL_TRACE", |
| "OPENSSL_NO_SSL2", |
| "OPENSSL_NO_SSL3", |
| "OPENSSL_NO_SSL3_METHOD", |
| "OPENSSL_NO_STATIC_ENGINE", |
| "OPENSSL_NO_STORE", |
| "OPENSSL_NO_WHIRLPOOL", |
| ]; |
| |
| fn get_bssl_build_dir() -> PathBuf { |
| println!("cargo:rerun-if-env-changed=BORINGSSL_BUILD_DIR"); |
| if let Some(build_dir) = env::var_os("BORINGSSL_BUILD_DIR") { |
| return PathBuf::from(build_dir); |
| } |
| |
| let crate_dir = env::var_os("CARGO_MANIFEST_DIR").unwrap(); |
| return Path::new(&crate_dir).join("../../build"); |
| } |
| |
| fn get_cpp_runtime_lib() -> Option<String> { |
| println!("cargo:rerun-if-env-changed=BORINGSSL_RUST_CPPLIB"); |
| |
| if let Ok(cpp_lib) = env::var("BORINGSSL_RUST_CPPLIB") { |
| return Some(cpp_lib); |
| } |
| |
| if env::var_os("CARGO_CFG_UNIX").is_some() { |
| match env::var("CARGO_CFG_TARGET_OS").unwrap().as_ref() { |
| "macos" => Some("c++".into()), |
| _ => Some("stdc++".into()), |
| } |
| } else { |
| None |
| } |
| } |
| |
| fn main() { |
| let bssl_build_dir = get_bssl_build_dir(); |
| let bssl_sys_build_dir = bssl_build_dir.join("rust/bssl-sys"); |
| let target = env::var("TARGET").unwrap(); |
| let out_dir = env::var("OUT_DIR").unwrap(); |
| let bindgen_out_file = Path::new(&out_dir).join("bindgen.rs"); |
| |
| // Find the bindgen generated target platform bindings file and put it into |
| // OUT_DIR/bindgen.rs. |
| let bindgen_source_file = bssl_sys_build_dir.join(format!("wrapper_{}.rs", target)); |
| std::fs::copy(&bindgen_source_file, &bindgen_out_file).expect(&format!( |
| "Could not copy bindings from '{}' to '{}'", |
| bindgen_source_file.display(), |
| bindgen_out_file.display() |
| )); |
| println!("cargo:rerun-if-changed={}", bindgen_source_file.display()); |
| |
| // Statically link libraries. |
| println!( |
| "cargo:rustc-link-search=native={}", |
| bssl_build_dir.join("crypto").display() |
| ); |
| println!("cargo:rustc-link-lib=static=crypto"); |
| |
| println!( |
| "cargo:rustc-link-search=native={}", |
| bssl_build_dir.join("ssl").display() |
| ); |
| println!("cargo:rustc-link-lib=static=ssl"); |
| |
| println!( |
| "cargo:rustc-link-search=native={}", |
| bssl_sys_build_dir.display() |
| ); |
| println!("cargo:rustc-link-lib=static=rust_wrapper"); |
| |
| if let Some(cpp_lib) = get_cpp_runtime_lib() { |
| println!("cargo:rustc-link-lib={}", cpp_lib); |
| } |
| |
| println!("cargo:conf={}", OSSL_CONF_DEFINES.join(",")); |
| } |