1 // Copyright 2012-2015 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.
14 /// Conversion table from triple OS name to Rust SYSNAME
15 const OS_TABLE: &'static [(&'static str, &'static str)] = &[
16 ("android", "android"),
19 ("dragonfly", "dragonfly"),
20 ("freebsd", "freebsd"),
23 ("mingw32", "windows"),
25 ("openbsd", "openbsd"),
27 ("windows", "windows"),
30 const ARCH_TABLE: &'static [(&'static str, &'static str)] = &[
31 ("aarch64", "aarch64"),
35 ("hexagon", "hexagon"),
40 ("powerpc", "powerpc"),
47 pub fn get_os(triple: &str) -> &'static str {
48 for &(triple_os, os) in OS_TABLE {
49 if triple.contains(triple_os) {
53 panic!("Cannot determine OS from triple");
55 pub fn get_arch(triple: &str) -> &'static str {
56 for &(triple_arch, arch) in ARCH_TABLE {
57 if triple.contains(triple_arch) {
61 panic!("Cannot determine Architecture from triple");
64 pub fn get_env(triple: &str) -> Option<&str> {
65 triple.split('-').nth(3)
68 pub fn make_new_path(path: &str) -> String {
69 assert!(cfg!(windows));
70 // Windows just uses PATH as the library search path, so we have to
71 // maintain the current value while adding our own
72 match env::var(lib_path_env_var()) {
74 format!("{}{}{}", path, path_div(), curr)
76 Err(..) => path.to_owned()
80 pub fn lib_path_env_var() -> &'static str { "PATH" }
81 fn path_div() -> &'static str { ";" }
83 pub fn logv(config: &Config, s: String) {
85 if config.verbose { println!("{}", s); }