Files
codex/patches/rules_rust_windows_bootstrap_process_wrapper_linker.patch
2026-04-02 07:58:13 +00:00

24 lines
986 B
Diff

--- a/rust/private/rustc.bzl
+++ b/rust/private/rustc.bzl
@@ -472,7 +472,19 @@
)
ld_is_direct_driver = False
- if not ld or toolchain.linker_preference == "rust":
+ # The bootstrap process wrapper is built without the normal rules_rust
+ # process wrapper. On Windows nightly toolchains that expose rust-lld, the
+ # C++ toolchain path currently resolves to clang++ while still emitting
+ # MSVC-style arguments, so prefer rust-lld for this one bootstrap binary
+ # instead of switching all Rust actions over.
+ use_bootstrap_rust_linker = (
+ toolchain.target_os.startswith("windows") and
+ toolchain.linker != None and
+ hasattr(ctx.executable, "_bootstrap_process_wrapper") and
+ not ctx.executable._process_wrapper
+ )
+
+ if not ld or toolchain.linker_preference == "rust" or use_bootstrap_rust_linker:
ld = toolchain.linker.path
ld_is_direct_driver = toolchain.linker_type == "direct"