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-rw-r--r--rust/Makefile15
1 files changed, 14 insertions, 1 deletions
diff --git a/rust/Makefile b/rust/Makefile
index 23c7ae905bd2..3e545c1a0ff4 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -69,6 +69,9 @@ core-edition := $(if $(call rustc-min-version,108700),2024,2021)
# the time being (https://github.com/rust-lang/rust/issues/144521).
rustdoc_modifiers_workaround := $(if $(call rustc-min-version,108800),-Cunsafe-allow-abi-mismatch=fixed-x18)
+# Similarly, for doctests (https://github.com/rust-lang/rust/issues/146465).
+doctests_modifiers_workaround := $(rustdoc_modifiers_workaround)$(if $(call rustc-min-version,109100),$(comma)sanitizer)
+
# `rustc` recognizes `--remap-path-prefix` since 1.26.0, but `rustdoc` only
# since Rust 1.81.0. Moreover, `rustdoc` ICEs on out-of-tree builds since Rust
# 1.82.0 (https://github.com/rust-lang/rust/issues/138520). Thus workaround both
@@ -127,9 +130,14 @@ rustdoc-core: private rustc_target_flags = --edition=$(core-edition) $(core-cfgs
rustdoc-core: $(RUST_LIB_SRC)/core/src/lib.rs rustdoc-clean FORCE
+$(call if_changed,rustdoc)
+# Even if `rustdoc` targets are not kernel objects, they should still be
+# treated as such so that we pass the same flags. Otherwise, for instance,
+# `rustdoc` will complain about missing sanitizer flags causing an ABI mismatch.
+rustdoc-compiler_builtins: private is-kernel-object := y
rustdoc-compiler_builtins: $(src)/compiler_builtins.rs rustdoc-core FORCE
+$(call if_changed,rustdoc)
+rustdoc-ffi: private is-kernel-object := y
rustdoc-ffi: $(src)/ffi.rs rustdoc-core FORCE
+$(call if_changed,rustdoc)
@@ -147,6 +155,7 @@ rustdoc-pin_init: $(src)/pin-init/src/lib.rs rustdoc-pin_init_internal \
rustdoc-macros FORCE
+$(call if_changed,rustdoc)
+rustdoc-kernel: private is-kernel-object := y
rustdoc-kernel: private rustc_target_flags = --extern ffi --extern pin_init \
--extern build_error --extern macros \
--extern bindings --extern uapi
@@ -230,7 +239,7 @@ quiet_cmd_rustdoc_test_kernel = RUSTDOC TK $<
--extern bindings --extern uapi \
--no-run --crate-name kernel -Zunstable-options \
--sysroot=/dev/null \
- $(rustdoc_modifiers_workaround) \
+ $(doctests_modifiers_workaround) \
--test-builder $(objtree)/scripts/rustdoc_test_builder \
$< $(rustdoc_test_kernel_quiet); \
$(objtree)/scripts/rustdoc_test_gen
@@ -522,6 +531,10 @@ $(obj)/pin_init.o: $(src)/pin-init/src/lib.rs $(obj)/compiler_builtins.o \
$(obj)/$(libpin_init_internal_name) $(obj)/$(libmacros_name) FORCE
+$(call if_changed_rule,rustc_library)
+# Even if normally `build_error` is not a kernel object, it should still be
+# treated as such so that we pass the same flags. Otherwise, for instance,
+# `rustc` will complain about missing sanitizer flags causing an ABI mismatch.
+$(obj)/build_error.o: private is-kernel-object := y
$(obj)/build_error.o: private skip_gendwarfksyms = 1
$(obj)/build_error.o: $(src)/build_error.rs $(obj)/compiler_builtins.o FORCE
+$(call if_changed_rule,rustc_library)