[PATCH] kbuild: make Clang build userprogs for target architecture

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Programs added 'userprogs' should be compiled for the target
architecture i.e. the same architecture as the kernel.

GCC does this correctly since the target architecture is implied
by the toolchain prefix.

Clang builds standalone programs always for the host architecture
because the target triple is currently missing.

Fix this.

Fixes: 7f3a59db274c ("kbuild: add infrastructure to build userspace programs")
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 73948798ce3f..cac29cc2ec25 100644
--- a/Makefile
+++ b/Makefile
@@ -970,8 +970,8 @@ LDFLAGS_vmlinux	+= --pack-dyn-relocs=relr
 endif
 
 # Align the bit size of userspace programs with the kernel
-KBUILD_USERCFLAGS  += $(filter -m32 -m64, $(KBUILD_CFLAGS))
-KBUILD_USERLDFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS))
+KBUILD_USERCFLAGS  += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
+KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
 
 # make the checker run with the right architecture
 CHECKFLAGS += --arch=$(ARCH)
-- 
2.25.1




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