linux-kernel - Re: [PATCH] sparc: vdso: Fix build failure seen due to kbuild changes

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Date:   Sun, 10 Nov 2019 17:32:03 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     linux@...ck-us.net
Cc:     sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kbuild@...r.kernel.org, yamada.masahiro@...ionext.com,
        maz@...nel.org
Subject: Re: [PATCH] sparc: vdso: Fix build failure seen due to kbuild
 changes

From: Guenter Roeck <linux@...ck-us.net>
Date: Sun, 10 Nov 2019 17:11:06 -0800

> sparc64:allmodconfig fails to build with the following error.
> 
> unrecognized e_machine 18 arch/sparc/vdso/vdso32/vclock_gettime.o
> arch/sparc/vdso/vdso32/vclock_gettime.o: failed
> make[2]: *** [arch/sparc/vdso/vdso32/vclock_gettime.o] Error 1
> make[2]: *** Deleting file 'arch/sparc/vdso/vdso32/vclock_gettime.o'
> make[2]: *** Waiting for unfinished jobs....
> 
> The problem bisects to commit a3de7a72c517 ("kbuild: change
> *FLAGS_<basetarget>.o to take the path relative to $(obj)").
> Duplicate the x86 specific defines from this commit to the sparc
> vdso Makefile to fix the problem.
> 
> Fixes: a3de7a72c517 ("kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)")
> Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Cc: Marc Zyngier <maz@...nel.org>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>

Acked-by: David S. Miller <davem@...emloft.net>