[PATCH v2 04/20] rust: kbuild: support skipping flags in `rustc_test_library`

Miguel Ojeda
2025-11-24T15:19:17Z

Crates like `quote` (added later) will need the ability to skip flags
in the `rustc_test_library` command.

Thus add the support for it.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Tested-by: Gary Guo <gary@garyguo.net>
Tested-by: Jesung Yang <y.j3ms.n@gmail.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
---
rust/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/Makefile b/rust/Makefile
index 45ef84513b6c..6fdab341fc48 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -172,8 +172,8 @@ rustdoc-clean: FORCE
quiet_cmd_rustc_test_library = $(RUSTC_OR_CLIPPY_QUIET) TL $<
cmd_rustc_test_library = \
OBJTREE=$(abspath $(objtree)) \
- $(RUSTC_OR_CLIPPY) $(rust_common_flags) \
- @$(objtree)/include/generated/rustc_cfg $(rustc_target_flags) \
+ $(RUSTC_OR_CLIPPY) $(filter-out $(skip_flags),$(rust_common_flags) $(rustc_target_flags)) \
+ @$(objtree)/include/generated/rustc_cfg \
--crate-type $(if $(rustc_test_library_proc),proc-macro,rlib) \
--out-dir $(objtree)/$(obj)/test --cfg testlib \
-L$(objtree)/$(obj)/test \
--
2.52.0