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Commit ad15006c authored by Nick Desaulniers's avatar Nick Desaulniers Committed by Masahiro Yamada
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kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD

This causes an issue when trying to build with `make LD=ld.lld` if
ld.lld and the rest of your cross tools aren't in the same directory
(ex. /usr/local/bin) (as is the case for Android's build system), as the
GCC_TOOLCHAIN_DIR then gets set based on `which $(LD)` which will point
where LLVM tools are, not GCC/binutils tools are located.

Instead, select the GCC_TOOLCHAIN_DIR based on another tool provided by
binutils for which LLVM does not provide a substitute for, such as
elfedit.

Fixes: 785f11aa ("kbuild: Add better clang cross build support")
Link: https://github.com/ClangBuiltLinux/linux/issues/341


Suggested-by: default avatarNathan Chancellor <natechancellor@gmail.com>
Reviewed-by: default avatarNathan Chancellor <natechancellor@gmail.com>
Tested-by: default avatarNathan Chancellor <natechancellor@gmail.com>
Signed-off-by: default avatarNick Desaulniers <ndesaulniers@google.com>
Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 1e88e415
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