diff options
Diffstat (limited to 'src/bootstrap/builder.rs')
| -rw-r--r-- | src/bootstrap/builder.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs index 243cd3fa199..b14352d7f4b 100644 --- a/src/bootstrap/builder.rs +++ b/src/bootstrap/builder.rs @@ -1022,8 +1022,13 @@ impl<'a> Builder<'a> { cargo.env("RUSTC_HOST_CRT_STATIC", x.to_string()); } - if let Some(map) = self.build.debuginfo_map(GitRepo::Rustc) { + if let Some(map_to) = self.build.debuginfo_map_to(GitRepo::Rustc) { + let map = format!("{}={}", self.build.src.display(), map_to); cargo.env("RUSTC_DEBUGINFO_MAP", map); + + // `rustc` needs to know the virtual `/rustc/$hash` we're mapping to, + // in order to opportunistically reverse it later. + cargo.env("CFG_VIRTUAL_RUST_SOURCE_BASE_DIR", map_to); } // Enable usage of unstable features |