summaryrefslogtreecommitdiffstats
path: root/rust
diff options
context:
space:
mode:
authorMatthew Maurer <mmaurer@google.com>2023-10-31 20:10:14 +0000
committerMiguel Ojeda <ojeda@kernel.org>2023-12-14 20:14:01 +0100
commit71479eee9da8ddb53f3ddb91bc8591d90fb8b142 (patch)
treed4a9aec9214b59feee290bd9cb0b8f403bc01775 /rust
parent88c2e1169f5f0c2ccdd0a001e4447a1b0da2b661 (diff)
downloadlinux-stable-71479eee9da8ddb53f3ddb91bc8591d90fb8b142.tar.gz
linux-stable-71479eee9da8ddb53f3ddb91bc8591d90fb8b142.tar.bz2
linux-stable-71479eee9da8ddb53f3ddb91bc8591d90fb8b142.zip
rust: Suppress searching builtin sysroot
By default, if Rust is passed `--target=foo` rather than a target.json file, it will infer a default sysroot if that component is installed. As the proposed aarch64 support [1] uses `aarch64-unknown-none` rather than a target.json file, this is needed [2] to prevent rustc from being confused between the custom kernel sysroot and the pre-installed one. [ Miguel: Applied Boqun's extra case (for `rusttest`) and reworded to add links to the arm64 patch series discussion. In addition, fixed the `rustdoc` target too (which requires a conditional since `cmd_rustdoc` is also used for host crates like `macros`). ] Signed-off-by: Matthew Maurer <mmaurer@google.com> Tested-by: Boqun Feng <boqun.feng@gmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/rust-for-linux/20231020155056.3495121-1-Jamie.Cunliffe@arm.com/ [1] Link: https://lore.kernel.org/rust-for-linux/CAGSQo01pOixiPXkW867h4vPUaAjtKtHGKhkV-rpifJvKxAf4Ww@mail.gmail.com/ [2] Link: https://lore.kernel.org/r/20231031201752.1189213-1-mmaurer@google.com Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'rust')
-rw-r--r--rust/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/rust/Makefile b/rust/Makefile
index 2912c5e075cb..5a3e3140e234 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -78,6 +78,7 @@ quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
$(rustc_target_flags) -L$(objtree)/$(obj) \
--output $(rustdoc_output) \
--crate-name $(subst rustdoc-,,$@) \
+ $(if $(rustdoc_host),,--sysroot=/dev/null) \
@$(objtree)/include/generated/rustc_cfg $<
# The `html_logo_url` and `html_favicon_url` forms of the `doc` attribute
@@ -178,6 +179,7 @@ quiet_cmd_rustdoc_test_kernel = RUSTDOC TK $<
--extern build_error --extern macros \
--extern bindings --extern uapi \
--no-run --crate-name kernel -Zunstable-options \
+ --sysroot=/dev/null \
--test-builder $(objtree)/scripts/rustdoc_test_builder \
$< $(rustdoc_test_kernel_quiet); \
$(objtree)/scripts/rustdoc_test_gen
@@ -404,6 +406,7 @@ quiet_cmd_rustc_library = $(if $(skip_clippy),RUSTC,$(RUSTC_OR_CLIPPY_QUIET)) L
--emit=metadata=$(dir $@)$(patsubst %.o,lib%.rmeta,$(notdir $@)) \
--crate-type rlib -L$(objtree)/$(obj) \
--crate-name $(patsubst %.o,%,$(notdir $@)) $< \
+ --sysroot=/dev/null \
$(if $(rustc_objcopy),;$(OBJCOPY) $(rustc_objcopy) $@)
rust-analyzer: