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authorMasahiro Yamada <masahiroy@kernel.org>2020-06-30 18:06:25 +0300
committerMasahiro Yamada <masahiroy@kernel.org>2020-07-01 18:58:00 +0300
commit7f58b487e9ff3ff0f5f29a57172295a41f08a6b5 (patch)
treed4912fafbd144b54679f7c4d4e8f15a9ccd75c72 /Makefile
parentb816b3db15f68690ee72a4a414624f8e82942b25 (diff)
downloadlinux-7f58b487e9ff3ff0f5f29a57172295a41f08a6b5.tar.xz
kbuild: make Clang build userprogs for target architecture
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 userspace 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@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index ac2c61c37a73..bc48810d1655 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)