fix(bootstrap/darwin): fix rpath for distributed LLD

Author: rami3l

src/bootstrap/download-ci-llvm-stamp

@@ -1,4 +1,4 @@
 Change this file to make users of the `download-ci-llvm` configuration download
 a new version of LLVM from CI, even if the LLVM submodule hasn’t changed.
 
-Last change is for: https://github.com/rust-lang/rust/pull/161049
+Last change is for: https://github.com/rust-lang/rust/pull/163954

src/bootstrap/src/core/build_steps/llvm.rs

@@ -1724,15 +1724,19 @@ impl CommandLineStep for Lld {
         if builder.config.rpath_enabled(target)
             && helpers::use_host_linker(target)
             && llvm_output.link_shared()
-            && target.contains("linux")
         {
             // So we inform LLD where it can find LLVM's libraries by adding an rpath entry to the
             // expected parent `lib` directory.
             //
             // Be careful when changing this path, we need to ensure it's quoted or escaped:
             // `$ORIGIN` would otherwise be expanded when the `LdFlags` are passed verbatim to
             // cmake.
-            ldflags.push_all("-Wl,-rpath,'$ORIGIN/../../../'");
+            if target.contains("linux") {
+                ldflags.push_all("-Wl,-rpath,'$ORIGIN/../../../'");
+            }
+            if target.contains("apple-darwin") {
+                ldflags.push_all("-Wl,-rpath,'@loader_path/../../../'");
+            }
         }
 
         configure_cmake(builder, target, &mut cfg, true, ldflags, CcFlags::default(), &[]);