linux-kernel - Re: [PATCH resend 1/2] liblockdep: Use realpath for srctree and objtree

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Message-ID: <52F6BA4E.9080305@oracle.com>
Date:	Sat, 08 Feb 2014 18:14:22 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Wang Nan <wangnan0@...wei.com>, linux-kernel@...r.kernel.org
CC:	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Geng Hui <hui.geng@...wei.com>
Subject: Re: [PATCH resend 1/2] liblockdep: Use realpath for srctree and objtree

Hi Wang,

Thanks! I've picked it up and will send it in the next pull request.


Thanks,
Sasha

On 02/07/2014 08:43 PM, Wang Nan wrote:
> If BUILD_SRC or CURDIR contains tailing '/', the file names passed to gcc will
> contain '//'. It will be contained .o's in debuginfo, then confuse debugedit:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=304121
>
> This patch uses realpath command to makesure potential tailing '/'s are removed.
>
> Signed-off-by: Wang Nan <wangnan0@...wei.com>
> Acked-by: Sasha Levin <sasha.levin@...cle.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Geng Hui <hui.geng@...wei.com>
>
> ---
>   tools/lib/lockdep/Makefile | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
> index da8b7aa..e638dd5 100644
> --- a/tools/lib/lockdep/Makefile
> +++ b/tools/lib/lockdep/Makefile
> @@ -87,8 +87,8 @@ endif # BUILD_SRC
>   # We process the rest of the Makefile if this is the final invocation of make
>   ifeq ($(skip-makefile),)
>
> -srctree		:= $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
> -objtree		:= $(CURDIR)
> +srctree		:= $(realpath $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)))
> +objtree		:= $(realpath $(CURDIR))
>   src		:= $(srctree)
>   obj		:= $(objtree)
>
>

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