commit 8c9bf663d4a8074e4955d1ad3f85a3b82e946297
author Alex Crichton <alex@alexcrichton.com> Wed Jan 03 00:21:35 2018
committer Alex Crichton <alex@alexcrichton.com> Thu Jan 04 15:21:22 2018
tree 60ba9e4cd702044773e52321995bd54fc5c545c8
parent 53fd0c50d847edb30c5673d7c4625ad8ee82db8f

rustc: Don't use relative paths for extended errors

These no longer work now that Cargo changes the cwd of rustc while it's running.
Instead use an absolute path that's set by rustbuild.

src/bootstrap/check.rs

diff --git a/src/bootstrap/check.rs b/src/bootstrap/check.rs
index 714c01a..cc9be3c 100644
--- a/src/bootstrap/check.rs
+++ b/src/bootstrap/check.rs
@@ -975,7 +975,8 @@
         build.run(builder.tool_cmd(Tool::ErrorIndex)
                     .arg("markdown")
                     .arg(&output)
-                    .env("CFG_BUILD", &build.build));
+                    .env("CFG_BUILD", &build.build)
+                    .env("RUSTC_ERROR_METADATA_DST", build.extended_error_dir()));
 
         markdown_test(builder, compiler, &output);
     }