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rust: kbuild: support skip_clippy for rustc_procmacro

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Certain vendored crates, like the upcoming `zerocopy-derive`, do not
need to be built with Clippy since we `--cap-lints=allow` them anyway.

Thus add support to skip Clippy for proc macro crates.

Acked-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/20260608141439.182634-8-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Miguel Ojeda
2026-06-08 16:14:26 +02:00
parent 0ba60f7144
commit be43b5d9c2
1 changed files with 2 additions and 2 deletions
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4
rust/Makefile
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@@ -547,10 +547,10 @@ $(obj)/libsyn.rlib: private rustc_target_flags = $(syn-flags)
$(obj)/libsyn.rlib: $(src)/syn/lib.rs $(obj)/libquote.rlib FORCE
+$(call if_changed_dep,rustc_procmacrolibrary)
quiet_cmd_rustc_procmacro = $(RUSTC_OR_CLIPPY_QUIET) P $@
quiet_cmd_rustc_procmacro = $(if $(skip_clippy),RUSTC,$(RUSTC_OR_CLIPPY_QUIET)) P $@
cmd_rustc_procmacro = \
$(rustc_target_envs) \
$(RUSTC_OR_CLIPPY) $(rust_common_flags) $(rustc_target_flags) \
$(if $(skip_clippy),$(RUSTC),$(RUSTC_OR_CLIPPY)) $(rust_common_flags) $(rustc_target_flags) \
-Clinker-flavor=gcc -Clinker=$(HOSTCC) \
-Clink-args='$(call escsq,$(KBUILD_PROCMACROLDFLAGS))' \
--emit=dep-info=$(depfile) --emit=link=$@ --extern proc_macro \