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authorMiguel Ojeda <ojeda@kernel.org>2025-11-24 16:18:22 +0100
committerMiguel Ojeda <ojeda@kernel.org>2025-11-24 17:15:41 +0100
commit158a3b72118a4dab7e7bf2d89afbab9b96eddc1c (patch)
treec8355dd9fb242b2b06b848c4df460e433d8d6c8c /Makefile
parentbc1565efc358553d7be23a09fe012560402b7151 (diff)
rust: proc-macro2: enable support in kbuild
With all the new files in place and ready from the new crate, enable the support for it in the build system. `proc_macro_byte_character` and `proc_macro_c_str_literals` were stabilized in Rust 1.79.0 [1] and were implemented earlier than our minimum Rust version (1.78) [2][3]. Thus just enable them instead of using the `cfg` that `proc-macro2` uses to emulate them in older compilers. In addition, skip formatting for this vendored crate and take the chance to add a comment mentioning this. Link: https://github.com/rust-lang/rust/pull/123431 [1] Link: https://github.com/rust-lang/rust/pull/112711 [2] Link: https://github.com/rust-lang/rust/pull/119651 [3] 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/20251124151837.2184382-11-ojeda@kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile5
1 files changed, 5 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index d14824792227..589bcfe3bf75 100644
--- a/Makefile
+++ b/Makefile
@@ -1826,10 +1826,15 @@ rusttest: prepare
$(Q)$(MAKE) $(build)=rust $@
# Formatting targets
+#
+# Generated files as well as vendored crates are skipped.
PHONY += rustfmt rustfmtcheck
rustfmt:
$(Q)find $(srctree) $(RCS_FIND_IGNORE) \
+ \( \
+ -path $(srctree)/rust/proc-macro2 \
+ \) -prune -o \
-type f -a -name '*.rs' -a ! -name '*generated*' -print \
| xargs $(RUSTFMT) $(rustfmt_flags)