Re: [PATCH] objtool: use $(SRCARCH) to avoid compile error with ARCH=x86_64

From: Josh Poimboeuf
Date: Fri Jan 17 2020 - 11:44:16 EST


On Fri, Dec 27, 2019 at 10:29:31AM +0800, Shile Zhang wrote:
> To build objtool with ARCH=x86_64 will failed as:
>
> $make ARCH=x86_64 -C tools/objtool
> ...
> CC arch/x86/decode.o
> arch/x86/decode.c:10:22: fatal error: asm/insn.h: No such file or directory
> #include <asm/insn.h>
> ^
> compilation terminated.
> mv: cannot stat âarch/x86/.decode.o.tmpâ: No such file or directory
> make[2]: *** [arch/x86/decode.o] Error 1
> ...
>
> The root cause is the command-line variable 'ARCH' cannot be overridden.
> It can be replaced by the one 'SRCARCH' defined in
> 'tools/scripts/Makefile.arch'.
>
> Signed-off-by: Shile Zhang <shile.zhang@xxxxxxxxxxxxxxxxx>

Thanks. I'll submit it to the -tip tree.

--
Josh