From: Debian Rust Maintainers <pkg-rust-maintainers@alioth-lists.debian.net>
Date: Thu, 14 Jul 2022 13:17:39 +0200
Subject: d-bootstrap-custom-debuginfo-path

===================================================================
---
 src/bootstrap/src/lib.rs                                        | 5 ++---
 src/test/codegen/remap_path_prefix/issue-73167-remap-std.rs | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

Index: rust/src/bootstrap/src/lib.rs
===================================================================
--- rust.orig/src/bootstrap/src/lib.rs
+++ rust/src/bootstrap/src/lib.rs
@@ -1163,10 +1163,9 @@ impl Build {
 
         match which {
             GitRepo::Rustc => {
-                let sha = self.rust_sha().unwrap_or(&self.version);
-                Some(format!("/rustc/{sha}"))
+                Some(format!("/usr/src/rustc-{}", &self.version))
             }
-            GitRepo::Llvm => Some(String::from("/rustc/llvm")),
+            GitRepo::Llvm => panic!("GitRepo::Llvm unsupported on Debian"),
         }
     }
 
Index: rust/tests/codegen/remap_path_prefix/issue-73167-remap-std.rs
===================================================================
--- rust.orig/tests/codegen/remap_path_prefix/issue-73167-remap-std.rs
+++ rust/tests/codegen/remap_path_prefix/issue-73167-remap-std.rs
@@ -7,7 +7,7 @@
 // true automatically. If paths to std library hasn't been remapped, we use the
 // above simulate-remapped-rust-src-base option to do it temporarily
 
-// CHECK: !DIFile(filename: "{{/rustc/.*/library/std/src/panic.rs}}"
+// CHECK: !DIFile(filename: "{{/usr/src/rustc-.*/library/std/src/panic.rs}}"
 fn main() {
     std::thread::spawn(|| {
         println!("hello");
Index: rust/src/bootstrap/src/core/builder.rs
===================================================================
--- rust.orig/src/bootstrap/src/core/builder.rs
+++ rust/src/bootstrap/src/core/builder.rs
@@ -1775,7 +1775,8 @@ impl<'a> Builder<'a> {
             cargo.env("CFG_VIRTUAL_RUST_SOURCE_BASE_DIR", map_to);
         }
 
-        if self.config.rust_remap_debuginfo {
+	// Debian: this breaks with our vendored sources!
+        if false && self.config.rust_remap_debuginfo {
             // FIXME: handle vendored sources
             let registry_src = t!(home::cargo_home()).join("registry").join("src");
             let mut env_var = OsString::new();