Messages in this thread Patch in this message |  | | From | Asuna Yang <> | | Date | Thu, 04 Dec 2025 08:54:53 +0100 | | Subject | [PATCH v5 3/4] rust: add a Kconfig function to test for support of bindgen options |
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From: Asuna Yang <spriteovo@gmail.com>
Add a new `bindgen-backend-option` Kconfig function to test whether the bindgen backend supports a given flag.
A subsequent commit will use this function to test for RISC-V extension flags.
Signed-off-by: Asuna Yang <SpriteOvO@gmail.com> --- scripts/Kconfig.include | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include index d42042b6c9e2..5d4d29eed0b3 100644 --- a/scripts/Kconfig.include +++ b/scripts/Kconfig.include @@ -78,3 +78,8 @@ rustc-llvm-version := $(shell,$(srctree)/scripts/rustc-llvm-version.sh $(RUSTC)) # If you are testing for unstable features, consider testing RUSTC_VERSION # instead, as features may have different completeness while available. rustc-option = $(success,trap "rm -rf .tmp_$$" EXIT; mkdir .tmp_$$; $(RUSTC) $(1) --crate-type=rlib /dev/null --out-dir=.tmp_$$ -o .tmp_$$/tmp.rlib) + +# $(bindgen-backend-option,<flag>) +# Return y if bindgen backend supports <flag>, n otherwise +# For now, the backend refers only to libclang, so more specifically, this function tests whether the given flag is recognized by the libclang used by bindgen. +bindgen-backend-option = $(success,trap "rm -f .tmp_$$.h" EXIT; touch .tmp_$$.h; $(BINDGEN) .tmp_$$.h -- --target=$(BINDGEN_TARGET) $(1)) -- 2.51.1
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