[PATCH 1/1] RISC-V: Fix building rust when using GCC toolchain

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Clang does not support '-mno-riscv-attribute' resulting in the error
error: unknown argument: '-mno-riscv-attribute'

Not setting BINDGEN_TARGET_riscv results in the in the error
error: unsupported argument 'medany' to option '-mcmodel=' for target \
'unknown'
error: unknown target triple 'unknown'

Signed-off-by: Jason Montleon <jmontleo@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
 rust/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rust/Makefile b/rust/Makefile
index f168d2c98a15..73eceaaae61e 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -228,11 +228,12 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
 	-fzero-call-used-regs=% -fno-stack-clash-protection \
 	-fno-inline-functions-called-once -fsanitize=bounds-strict \
 	-fstrict-flex-arrays=% -fmin-function-alignment=% \
-	--param=% --param asan-%
+	--param=% --param asan-% -mno-riscv-attribute
 
 # Derived from `scripts/Makefile.clang`.
 BINDGEN_TARGET_x86	:= x86_64-linux-gnu
 BINDGEN_TARGET_arm64	:= aarch64-linux-gnu
+BINDGEN_TARGET_riscv	:= riscv64-linux-gnu
 BINDGEN_TARGET		:= $(BINDGEN_TARGET_$(SRCARCH))
 
 # All warnings are inhibited since GCC builds are very experimental,
-- 
2.46.0





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