On Tue, Mar 4, 2025 at 3:49 PM Xi Ruoyao xry111@xry111.site wrote:
On Tue, 2025-03-04 at 15:35 +0800, WANG Rui wrote:
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 Signed-off-by: WANG Rui wangrui@loongson.cn
rust/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/rust/Makefile b/rust/Makefile index ea3849eb78f6..2c57c624fe7d 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -232,7 +232,8 @@ 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 \Hmm I'm wondering if we can just drop -mno-check-zero-division from cflags-y: for all GCC releases it's the default at either -O2 or -Os, and AFAIK we don't support other optimization levels.
Don't rely on default behavior, things may change in future. Acked-by: Huacai Chen chenhuacai@loongson.cn
-- Xi Ruoyao xry111@xry111.site School of Aerospace Science and Technology, Xidian University