From: Thomas Weißschuh Date: Sat, 8 Feb 2025 13:31:14 +0000 (+0100) Subject: rust: pass correct target to bindgen on Usermode Linux X-Git-Tag: block-6.15-20250403~14^2~19 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=6b2dab17d6fad9d94faae45b46bef307d8560cdf;p=linux-block.git rust: pass correct target to bindgen on Usermode Linux Usermode Linux uses "um" as primary architecture name and the underlying physical architecture is provided in "SUBARCH". Resolve the target architecture flags through that underlying architecture. This is the same pattern as used by scripts/Makefile.clang from which the bindgen flags are derived. [ David says: (...) this is enough to get Rust-for-Linux working with gcc under 64-bit UML on my system. - Miguel ] Signed-off-by: Thomas Weißschuh Reviewed-by: David Gow Acked-by: Johannes Berg Link: https://lore.kernel.org/r/20250208-rust-kunit-v1-1-94a026be6d72@weissschuh.net Signed-off-by: Miguel Ojeda --- diff --git a/rust/Makefile b/rust/Makefile index e761a8cc3bd5..b9cc810764e9 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -274,6 +274,7 @@ 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_um := $(BINDGEN_TARGET_$(SUBARCH)) BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH)) # All warnings are inhibited since GCC builds are very experimental,