From c982d6a6eb231db2230126d92525aca17ff75917 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Marie?= <semarie@users.noreply.github.com>
Date: Tue, 8 Aug 2017 06:37:31 +0200
Subject: [PATCH] pass rustc_libdir instead of sysroot_libdir() for running
 rustdoc from rustbuild

suggestion from Mark-Simulacrum
---
 src/bootstrap/builder.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 811c7df5d99..d7f795e4055 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -427,7 +427,7 @@ impl<'a> Builder<'a> {
             } else {
                 self.sysroot(compiler)
             })
-            .env("RUSTC_LIBDIR", self.sysroot_libdir(compiler, self.build.build))
+            .env("RUSTC_LIBDIR", self.rustc_libdir(compiler))
             .env("CFG_RELEASE_CHANNEL", &self.build.config.channel)
             .env("RUSTDOC_REAL", self.rustdoc(compiler));
         cmd