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rust: Fix enabling Rust and building with GCC for LoongArch

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commit 13c23cb4ed09466d73f1beae8956810b95add6ef upstream.

This patch fixes a build issue on LoongArch when Rust is enabled and
compiled with GCC by explicitly setting the bindgen target and skipping
C flags that Clang doesn't support.

Cc: stable@vger.kernel.org
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
WANG Rui 2025-03-30 16:30:20 +08:00 committed by Greg Kroah-Hartman
parent d689645cd1
commit dc07c46985
1 changed files with 3 additions and 1 deletions
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4
rust/Makefile
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@ -227,7 +227,8 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
-mfunction-return=thunk-extern -mrecord-mcount -mabi=lp64 \
-mindirect-branch-cs-prefix -mstack-protector-guard% -mtraceback=no \
-mno-pointers-to-nested-functions -mno-string \
-mno-strict-align -mstrict-align \
-mno-strict-align -mstrict-align -mdirect-extern-access \
-mexplicit-relocs -mno-check-zero-division \
-fconserve-stack -falign-jumps=% -falign-loops=% \
-femit-struct-debug-baseonly -fno-ipa-cp-clone -fno-ipa-sra \
-fno-partial-inlining -fplugin-arg-arm_ssp_per_task_plugin-% \
@ -241,6 +242,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
# Derived from `scripts/Makefile.clang`.
BINDGEN_TARGET_x86 := x86_64-linux-gnu
BINDGEN_TARGET_arm64 := aarch64-linux-gnu
BINDGEN_TARGET_loongarch := loongarch64-linux-gnusf
BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH))
# All warnings are inhibited since GCC builds are very experimental,