Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
rust: syn: 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.
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/20251124151837.2184382-20-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
+42
-3
+1
Makefile
+1
Makefile
+34
-3
rust/Makefile
+34
-3
rust/Makefile
···
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obj-$(CONFIG_RUST) += exports.o
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-
always-$(CONFIG_RUST) += libproc_macro2.rlib libquote.rlib
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+
always-$(CONFIG_RUST) += libproc_macro2.rlib libquote.rlib libsyn.rlib
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always-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated.rs
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always-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated_kunit.c
···
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--extern proc_macro2 \
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$(call cfgs-to-flags,$(quote-cfgs))
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# `extra-traits`, `fold` and `visit` may be enabled if needed.
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+
syn-cfgs := \
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feature="clone-impls" \
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feature="derive" \
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feature="full" \
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feature="parsing" \
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feature="printing" \
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feature="proc-macro" \
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feature="visit-mut"
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+
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syn-flags := \
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--cap-lints=allow \
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--extern proc_macro2 \
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--extern quote \
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$(call cfgs-to-flags,$(syn-cfgs))
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+
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# `rustdoc` did not save the target modifiers, thus workaround for
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# the time being (https://github.com/rust-lang/rust/issues/144521).
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rustdoc_modifiers_workaround := $(if $(call rustc-min-version,108800),-Cunsafe-allow-abi-mismatch=fixed-x18)
···
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rustdoc-quote: $(src)/quote/lib.rs rustdoc-clean rustdoc-proc_macro2 FORCE
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+$(call if_changed,rustdoc)
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+
rustdoc-syn: private rustdoc_host = yes
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rustdoc-syn: private rustc_target_flags = $(syn-flags)
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rustdoc-syn: $(src)/syn/lib.rs rustdoc-clean rustdoc-quote FORCE
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+$(call if_changed,rustdoc)
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+
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rustdoc-macros: private rustdoc_host = yes
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rustdoc-macros: private rustc_target_flags = --crate-type proc-macro \
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--extern proc_macro
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rustdoc-macros: $(src)/macros/lib.rs rustdoc-clean rustdoc-proc_macro2 \
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-
rustdoc-quote FORCE
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+
rustdoc-quote rustdoc-syn FORCE
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+$(call if_changed,rustdoc)
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# Starting with Rust 1.82.0, skipping `-Wrustdoc::unescaped_backticks` should
···
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rusttestlib-quote: private skip_flags = $(quote-skip_flags)
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rusttestlib-quote: private rustc_target_flags = $(quote-flags)
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rusttestlib-quote: $(src)/quote/lib.rs rusttestlib-proc_macro2 FORCE
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+
+$(call if_changed,rustc_test_library)
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+
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rusttestlib-syn: private rustc_target_flags = $(syn-flags)
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+
rusttestlib-syn: $(src)/syn/lib.rs rusttestlib-quote FORCE
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+$(call if_changed,rustc_test_library)
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rusttestlib-macros: private rustc_target_flags = --extern proc_macro
···
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$(obj)/libquote.rlib: $(src)/quote/lib.rs $(obj)/libproc_macro2.rlib FORCE
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+$(call if_changed_dep,rustc_procmacrolibrary)
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+
$(obj)/libsyn.rlib: private skip_clippy = 1
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+
$(obj)/libsyn.rlib: private rustc_target_flags = $(syn-flags)
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+
$(obj)/libsyn.rlib: $(src)/syn/lib.rs $(obj)/libquote.rlib FORCE
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+
+$(call if_changed_dep,rustc_procmacrolibrary)
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+
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quiet_cmd_rustc_procmacro = $(RUSTC_OR_CLIPPY_QUIET) P $@
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cmd_rustc_procmacro = \
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$(RUSTC_OR_CLIPPY) $(rust_common_flags) $(rustc_target_flags) \
···
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# Procedural macros can only be used with the `rustc` that compiled it.
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$(obj)/$(libmacros_name): $(src)/macros/lib.rs $(obj)/libproc_macro2.rlib \
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-
$(obj)/libquote.rlib FORCE
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+
$(obj)/libquote.rlib $(obj)/libsyn.rlib FORCE
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+$(call if_changed_dep,rustc_procmacro)
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$(obj)/$(libpin_init_internal_name): private rustc_target_flags = --cfg kernel
···
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--cfgs='core=$(core-cfgs)' $(core-edition) \
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--cfgs='proc_macro2=$(proc_macro2-cfgs)' \
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--cfgs='quote=$(quote-cfgs)' \
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+
--cfgs='syn=$(syn-cfgs)' \
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$(realpath $(srctree)) $(realpath $(objtree)) \
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$(rustc_sysroot) $(RUST_LIB_SRC) $(if $(KBUILD_EXTMOD),$(srcroot)) \
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> rust-project.json
+7
scripts/generate_rust_analyzer.py
+7
scripts/generate_rust_analyzer.py
···
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)
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append_crate(
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"syn",
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srctree / "rust" / "syn" / "lib.rs",
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["proc_macro", "proc_macro2", "quote"],
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cfg=crates_cfgs["syn"],
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+
)
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+
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+
append_crate(
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"macros",
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srctree / "rust" / "macros" / "lib.rs",
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["std", "proc_macro"],