linux-kernel - Re: perf 3.8-rc build failure: undefined reference to `strlcpy'

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Message-ID: <87ehh3v2jo.fsf@sejong.aot.lge.com>
Date:	Wed, 30 Jan 2013 11:15:55 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Thomas Backlund <tmb@...eia.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: perf 3.8-rc build failure:  undefined reference to `strlcpy'

Hi Borislav,

On Tue, 29 Jan 2013 11:37:22 +0100, Borislav Petkov wrote:
> On Tue, Jan 29, 2013 at 06:22:53AM +0200, Thomas Backlund wrote:
>> 
>> [tmb@tmb linux-3.8-rc5]$ make -C tools/perf -s V=1
>> HAVE_CPLUS_DEMANGLE=1 prefix=%{_prefix} all
>> 
>> ...
>> 
>> /tmp/ccJEJv6m.o: In function `main':
>> :(.text+0x14): undefined reference to `strlcpy'
>> collect2: ld returned 1 exit status
>> 
>> ...
>> 
>> This did not show up in 3.7
>
> Ditto here:
>
> /tmp/ccC1kLwn.o: In function `main':
> :(.text+0x14): undefined reference to `strlcpy'
> collect2: error: ld returned 1 exit status
>
> Someone needs to get HAVE_STRLCPY and tools/perf/util/path.c in order so
> that the linker sees it, IMHO.

Please see my reply on another post from Thomas:

  https://lkml.org/lkml/2013/1/29/32


It's not like a build failure of perf tools, it's just a result of
feature test so should not affect the build of perf itself, right?  Why
it confuses us is that we don't show any compile message if -s option is
given to make, so I posted a patch to hide CHK and above failure message
when -s option is specified.

Thanks,
Namhyung
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