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authorMiguel Ojeda <ojeda@kernel.org>2025-11-24 16:18:17 +0100
committerMiguel Ojeda <ojeda@kernel.org>2025-11-24 17:15:37 +0100
commitc46b34f1d484c11c2a0cbd663168c2213175ca5c (patch)
treeb06b50d3f86736557d8ac0ce4fd6425aef90ea1c
parentd4e7307b1f3535c19ff6ca24d3e4aec32cebb120 (diff)
rust: kbuild: support using libraries in `rustc_procmacro`
Proc macros such as `macros` and `pin-init` will need the ability to use libraries such as `syn` (added later) in the `rustc_procmacro` 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> Link: https://patch.msgid.link/20251124151837.2184382-6-ojeda@kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
-rw-r--r--rust/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/rust/Makefile b/rust/Makefile
index 6fdab341fc48..0288ca8d270c 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -437,7 +437,7 @@ quiet_cmd_rustc_procmacro = $(RUSTC_OR_CLIPPY_QUIET) P $@
-Clinker-flavor=gcc -Clinker=$(HOSTCC) \
-Clink-args='$(call escsq,$(KBUILD_PROCMACROLDFLAGS))' \
--emit=dep-info=$(depfile) --emit=link=$@ --extern proc_macro \
- --crate-type proc-macro \
+ --crate-type proc-macro -L$(objtree)/$(obj) \
--crate-name $(patsubst lib%.$(libmacros_extension),%,$(notdir $@)) \
@$(objtree)/include/generated/rustc_cfg $<