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rust: kbuild: define procmacro-name function

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Since we are adding one more proc macro crate (`zerocopy-derive`),
we are refactoring their handling.

Thus define a `procmacro-name` function and use it to fill the existing
variables' values.

Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/20260608141439.182634-5-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Miguel Ojeda
2026-06-08 16:14:23 +02:00
parent 34ea644aca
commit 50f3637a45
1 changed files with 4 additions and 2 deletions
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6
rust/Makefile
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@@ -47,10 +47,12 @@ endif
# Avoids running `$(RUSTC)` when it may not be available.
ifdef CONFIG_RUST
libmacros_name := $(shell MAKEFLAGS= $(RUSTC) --print file-names --crate-name macros --crate-type proc-macro - </dev/null)
procmacro-name = $(shell MAKEFLAGS= $(RUSTC) --print file-names --crate-name $(1) --crate-type proc-macro - </dev/null)
libmacros_name := $(call procmacro-name,macros)
libmacros_extension := $(patsubst libmacros.%,%,$(libmacros_name))
libpin_init_internal_name := $(shell MAKEFLAGS= $(RUSTC) --print file-names --crate-name pin_init_internal --crate-type proc-macro - </dev/null)
libpin_init_internal_name := $(call procmacro-name,pin_init_internal)
always-$(CONFIG_RUST) += $(libmacros_name) $(libpin_init_internal_name)