diff options
| -rw-r--r-- | src/bootstrap/lib.rs | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index 2ffad594fc7..e3f3ab5243e 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -21,7 +21,6 @@ use std::collections::{HashMap, HashSet}; use std::env; use std::fs::{self, File}; use std::io; -use std::io::ErrorKind; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; use std::str; @@ -505,16 +504,18 @@ impl Build { let build_triple = build.out.join(&build.build.triple); t!(fs::create_dir_all(&build_triple)); let host = build.out.join("host"); - if let Err(e) = symlink_dir(&build.config, &build_triple, &host) { - if e.kind() != ErrorKind::AlreadyExists { - panic!( - "symlink_dir({} => {}) failed with {}", - host.display(), - build_triple.display(), - e - ); - } - } + if host.is_symlink() { + // Left over from a previous build; overwrite it. + // This matters if `build.build` has changed between invocations. + #[cfg(windows)] + t!(fs::remove_dir(&host)); + #[cfg(not(windows))] + t!(fs::remove_file(&host)); + } + t!( + symlink_dir(&build.config, &build_triple, &host), + format!("symlink_dir({} => {}) failed", host.display(), build_triple.display()) + ); build } |