1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
13 use std::path::PathBuf;
19 if let Some(llvm_config) = env::var_os("LLVM_CONFIG") {
20 let dst = Config::new("../compiler-rt")
21 .define("COMPILER_RT_BUILD_SANITIZERS", "ON")
22 .define("COMPILER_RT_BUILD_BUILTINS", "OFF")
23 .define("COMPILER_RT_BUILD_XRAY", "OFF")
24 .define("LLVM_CONFIG_PATH", llvm_config)
28 println!("cargo:rustc-link-search=native={}",
29 dst.join("build/lib/linux").display());
30 println!("cargo:rustc-link-lib=static=clang_rt.msan-x86_64");
32 let src_dir = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
33 let mut stack = src_dir.join("../compiler-rt")
37 .filter(|e| &*e.file_name() != ".git")
39 while let Some(entry) = stack.pop() {
40 let path = entry.path();
41 if entry.file_type().unwrap().is_dir() {
42 stack.extend(path.read_dir().unwrap().map(|e| e.unwrap()));
44 println!("cargo:rerun-if-changed={}", path.display());
49 println!("cargo:rerun-if-changed=build.rs");