1 // Copyright 2015 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::process::{Command, Stdio};
14 use std::path::{Path, PathBuf};
16 pub fn run(cmd: &mut Command) {
17 println!("running: {:?}", cmd);
21 pub fn run_silent(cmd: &mut Command) {
22 let status = match cmd.status() {
24 Err(e) => fail(&format!("failed to execute command: {:?}\nerror: {}",
27 if !status.success() {
28 fail(&format!("command did not execute successfully: {:?}\n\
29 expected success, got: {}",
35 pub fn gnu_target(target: &str) -> String {
37 "i686-pc-windows-msvc" => "i686-pc-win32".to_string(),
38 "x86_64-pc-windows-msvc" => "x86_64-pc-win32".to_string(),
39 "i686-pc-windows-gnu" => "i686-w64-mingw32".to_string(),
40 "x86_64-pc-windows-gnu" => "x86_64-w64-mingw32".to_string(),
45 pub fn cc2ar(cc: &Path, target: &str) -> Option<PathBuf> {
46 if target.contains("msvc") {
48 } else if target.contains("musl") {
49 Some(PathBuf::from("ar"))
50 } else if target.contains("openbsd") {
51 Some(PathBuf::from("ar"))
53 let parent = cc.parent().unwrap();
54 let file = cc.file_name().unwrap().to_str().unwrap();
55 for suffix in &["gcc", "cc", "clang"] {
56 if let Some(idx) = file.rfind(suffix) {
57 let mut file = file[..idx].to_owned();
59 return Some(parent.join(&file));
62 Some(parent.join(file))
66 pub fn make(host: &str) -> PathBuf {
67 if host.contains("bitrig") || host.contains("dragonfly") ||
68 host.contains("freebsd") || host.contains("netbsd") ||
69 host.contains("openbsd") {
70 PathBuf::from("gmake")
76 pub fn output(cmd: &mut Command) -> String {
77 let output = match cmd.stderr(Stdio::inherit()).output() {
79 Err(e) => fail(&format!("failed to execute command: {:?}\nerror: {}",
82 if !output.status.success() {
83 panic!("command did not execute successfully: {:?}\n\
84 expected success, got: {}",
88 String::from_utf8(output.stdout).unwrap()
91 pub fn rerun_if_changed_anything_in_dir(dir: &Path) {
92 let mut stack = dir.read_dir().unwrap()
94 .filter(|e| &*e.file_name() != ".git")
96 while let Some(entry) = stack.pop() {
97 let path = entry.path();
98 if entry.file_type().unwrap().is_dir() {
99 stack.extend(path.read_dir().unwrap().map(|e| e.unwrap()));
101 println!("cargo:rerun-if-changed={}", path.display());
106 fn fail(s: &str) -> ! {
107 println!("\n\n{}\n\n", s);
108 std::process::exit(1);