bjoernager/rust
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Use rustc --print sysroot, bump to v66

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This commit is contained in:
Manish Goregaokar 2016-05-11 11:05:34 -07:00
parent da122a394b
commit 03a309d182
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GPG key ID: 3BBF4D3E2EF79F98
2 changed files with 10 additions and 4 deletions
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12
src/lib.rs
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@ -17,6 +17,7 @@ use rustc::session::{config, Session};
use rustc::session::config::{Input, ErrorOutputType};
use syntax::diagnostics;
use std::path::PathBuf;
use std::process::Command;
struct ClippyCompilerCalls(RustcDefaultCalls);
@ -109,9 +110,14 @@ pub fn main() {
let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
let sys_root = match (home, toolchain) {
(Some(home), Some(toolchain)) => format!("{}/toolchains/{}", home, toolchain),
_ => option_env!("SYSROOT")
.expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust")
.to_owned(),
_ => option_env!("SYSROOT").map(|s| s.to_owned())
.or(Command::new("rustc").arg("--print")
.arg("sysroot")
.output().ok()
.and_then(|out| String::from_utf8(out.stdout).ok())
.map(|s| s.trim().to_owned())
)
.expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust"),
};
if let Some("clippy") = std::env::args().nth(1).as_ref().map(AsRef::as_ref) {