about summary refs log tree commit diff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/doc/unstable-book/src/compiler-flags/split-dwarf-out-dir.md7
-rw-r--r--src/tools/run-make-support/src/external_deps/rustc.rs7
2 files changed, 14 insertions, 0 deletions
diff --git a/src/doc/unstable-book/src/compiler-flags/split-dwarf-out-dir.md b/src/doc/unstable-book/src/compiler-flags/split-dwarf-out-dir.md
new file mode 100644
index 00000000000..a2070730b42
--- /dev/null
+++ b/src/doc/unstable-book/src/compiler-flags/split-dwarf-out-dir.md
@@ -0,0 +1,7 @@
+# `split-dwarf-out-dir`
+
+On systems which use DWARF debug info this flag causes `.dwo` files produced
+by `-C split-debuginfo` to be written to the specified directory rather than
+placed next to the object files. This is mostly useful if you have a build
+system which needs to control where to find compile outputs without running the
+compiler and have to put your `.dwo` files in a separate directory.
diff --git a/src/tools/run-make-support/src/external_deps/rustc.rs b/src/tools/run-make-support/src/external_deps/rustc.rs
index b74b1d5e166..b461a24a061 100644
--- a/src/tools/run-make-support/src/external_deps/rustc.rs
+++ b/src/tools/run-make-support/src/external_deps/rustc.rs
@@ -366,6 +366,13 @@ impl Rustc {
         self
     }
 
+    pub fn split_dwarf_out_dir(&mut self, out_dir: Option<&str>) -> &mut Self {
+        if let Some(out_dir) = out_dir {
+            self.cmd.arg(format!("-Zsplit-dwarf-out-dir={out_dir}"));
+        }
+        self
+    }
+
     /// Pass the `--verbose` flag.
     pub fn verbose(&mut self) -> &mut Self {
         self.cmd.arg("--verbose");