From: Ximin Luo <infinity0@pwned.gg>
Date: Mon, 27 Jul 2020 01:42:02 +0000 (+0100)
Subject: [PATCH] rustbuild: fix bad usage of UNIX exec() in rustc wrapper
X-Git-Tag: archive/raspbian/1.45.0+dfsg1-2+rpi1^2~28
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=f4319bb90d8b7e111f920f1033c3376206d5f1fb;p=rustc.git

[PATCH] rustbuild: fix bad usage of UNIX exec() in rustc wrapper

exec never returns, it replaces the current process. so anything after it is
unreachable. that's not how exec_cmd() is used in the surrounding code

Gbp-Pq: Name u-fix-exec.patch
---

diff --git a/src/bootstrap/bin/rustc.rs b/src/bootstrap/bin/rustc.rs
index 047957e225..a95e4e0363 100644
--- a/src/bootstrap/bin/rustc.rs
+++ b/src/bootstrap/bin/rustc.rs
@@ -220,13 +220,6 @@ fn main() {
     std::process::exit(code);
 }
 
-#[cfg(unix)]
-fn exec_cmd(cmd: &mut Command) -> io::Result<i32> {
-    use std::os::unix::process::CommandExt;
-    Err(cmd.exec())
-}
-
-#[cfg(not(unix))]
 fn exec_cmd(cmd: &mut Command) -> io::Result<i32> {
     cmd.status().map(|status| status.code().unwrap())
 }