| // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use std::env; |
| use common::Config; |
| |
| /// Conversion table from triple OS name to Rust SYSNAME |
| const OS_TABLE: &'static [(&'static str, &'static str)] = &[ |
| ("android", "android"), |
| ("bitrig", "bitrig"), |
| ("darwin", "macos"), |
| ("dragonfly", "dragonfly"), |
| ("freebsd", "freebsd"), |
| ("haiku", "haiku"), |
| ("ios", "ios"), |
| ("linux", "linux"), |
| ("mingw32", "windows"), |
| ("netbsd", "netbsd"), |
| ("openbsd", "openbsd"), |
| ("win32", "windows"), |
| ("windows", "windows"), |
| ("solaris", "solaris"), |
| ("emscripten", "emscripten"), |
| ]; |
| |
| const ARCH_TABLE: &'static [(&'static str, &'static str)] = &[ |
| ("aarch64", "aarch64"), |
| ("amd64", "x86_64"), |
| ("arm", "arm"), |
| ("arm64", "aarch64"), |
| ("hexagon", "hexagon"), |
| ("i386", "x86"), |
| ("i586", "x86"), |
| ("i686", "x86"), |
| ("mips", "mips"), |
| ("msp430", "msp430"), |
| ("powerpc", "powerpc"), |
| ("powerpc64", "powerpc64"), |
| ("s390x", "s390x"), |
| ("sparc", "sparc"), |
| ("x86_64", "x86_64"), |
| ("xcore", "xcore"), |
| ("asmjs", "asmjs"), |
| ("wasm32", "wasm32"), |
| ]; |
| |
| pub fn matches_os(triple: &str, name: &str) -> bool { |
| // For the wasm32 bare target we ignore anything also ignored on emscripten |
| // and then we also recognize `wasm32-bare` as the os for the target |
| if triple == "wasm32-unknown-unknown" { |
| return name == "emscripten" || name == "wasm32-bare" |
| } |
| for &(triple_os, os) in OS_TABLE { |
| if triple.contains(triple_os) { |
| return os == name; |
| } |
| } |
| panic!("Cannot determine OS from triple"); |
| } |
| pub fn get_arch(triple: &str) -> &'static str { |
| for &(triple_arch, arch) in ARCH_TABLE { |
| if triple.contains(triple_arch) { |
| return arch; |
| } |
| } |
| panic!("Cannot determine Architecture from triple"); |
| } |
| |
| pub fn get_env(triple: &str) -> Option<&str> { |
| triple.split('-').nth(3) |
| } |
| |
| pub fn get_pointer_width(triple: &str) -> &'static str { |
| if (triple.contains("64") && !triple.ends_with("gnux32")) || triple.starts_with("s390x") { |
| "64bit" |
| } else { |
| "32bit" |
| } |
| } |
| |
| pub fn make_new_path(path: &str) -> String { |
| assert!(cfg!(windows)); |
| // Windows just uses PATH as the library search path, so we have to |
| // maintain the current value while adding our own |
| match env::var(lib_path_env_var()) { |
| Ok(curr) => format!("{}{}{}", path, path_div(), curr), |
| Err(..) => path.to_owned(), |
| } |
| } |
| |
| pub fn lib_path_env_var() -> &'static str { |
| "PATH" |
| } |
| fn path_div() -> &'static str { |
| ";" |
| } |
| |
| pub fn logv(config: &Config, s: String) { |
| debug!("{}", s); |
| if config.verbose { |
| println!("{}", s); |
| } |
| } |