X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fbootstrap%2Fbuild.rs;h=cd1f418028c62c97e55bec1d05abb5797f02dc4f;hb=3b9543c89d1909bae143bfe9a87d3248d1526cf2;hp=ab34d5c1e5504a1272ca01a1d955616b9643130f;hpb=7b30b26145791ef1953c93e8dd8a0175fd53c3ac;p=rust.git

diff --git a/src/bootstrap/build.rs b/src/bootstrap/build.rs
index ab34d5c1e55..cd1f418028c 100644
--- a/src/bootstrap/build.rs
+++ b/src/bootstrap/build.rs
@@ -1,43 +1,7 @@
-use env::consts::{EXE_EXTENSION, EXE_SUFFIX};
 use std::env;
-use std::ffi::OsString;
-use std::path::PathBuf;
-
-/// Given an executable called `name`, return the filename for the
-/// executable for a particular target.
-pub fn exe(name: &PathBuf) -> PathBuf {
-    if EXE_EXTENSION != "" && name.extension() != Some(EXE_EXTENSION.as_ref()) {
-        let mut name: OsString = name.clone().into();
-        name.push(EXE_SUFFIX);
-        name.into()
-    } else {
-        name.clone()
-    }
-}
 
 fn main() {
     let host = env::var("HOST").unwrap();
     println!("cargo:rerun-if-changed=build.rs");
-    println!("cargo:rerun-if-env-changed=RUSTC");
     println!("cargo:rustc-env=BUILD_TRIPLE={}", host);
-
-    // This may not be a canonicalized path.
-    let mut rustc = PathBuf::from(env::var_os("RUSTC").unwrap());
-
-    if rustc.is_relative() {
-        println!("cargo:rerun-if-env-changed=PATH");
-        for dir in env::split_paths(&env::var_os("PATH").unwrap_or_default()) {
-            let absolute = dir.join(&exe(&rustc));
-            if absolute.exists() {
-                rustc = absolute;
-                break;
-            }
-        }
-    }
-    assert!(rustc.is_absolute());
-
-    // FIXME: if the path is not utf-8, this is going to break. Unfortunately
-    // Cargo doesn't have a way for us to specify non-utf-8 paths easily, so
-    // we'll need to invent some encoding scheme if this becomes a problem.
-    println!("cargo:rustc-env=RUSTC={}", rustc.to_str().unwrap());
 }