From bcf1a179aed651fe27fef7578bfc25b063a33a8e Mon Sep 17 00:00:00 2001
From: O01eg <o01eg@yandex.ru>
Date: Fri, 15 Mar 2019 08:50:08 +0300
Subject: [PATCH] Output diagnostic information for rustdoc.

Use the information same as rustc.
---
 src/bootstrap/bin/rustdoc.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/bootstrap/bin/rustdoc.rs b/src/bootstrap/bin/rustdoc.rs
index 36beec3a944a0..085f243785cbe 100644
--- a/src/bootstrap/bin/rustdoc.rs
+++ b/src/bootstrap/bin/rustdoc.rs
@@ -35,7 +35,7 @@ fn main() {
         .arg("--cfg")
         .arg("dox")
         .arg("--sysroot")
-        .arg(sysroot)
+        .arg(&sysroot)
         .env(bootstrap::util::dylib_path_var(),
              env::join_paths(&dylib_path).unwrap());
 
@@ -72,7 +72,13 @@ fn main() {
     }
 
     if verbose > 1 {
-        eprintln!("rustdoc command: {:?}", cmd);
+        eprintln!(
+            "rustdoc command: {:?}={:?} {:?}",
+            bootstrap::util::dylib_path_var(),
+            env::join_paths(&dylib_path).unwrap(),
+            cmd,
+        );
+        eprintln!("sysroot: {:?}", sysroot);
         eprintln!("libdir: {:?}", libdir);
     }