From: Ingo Molnar <mingo@elte.hu>
To: Randy Dunlap <randy.dunlap@ORACLE.COM>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, hpa@zytor.com,
paulus@samba.org, acme@redhat.com, a.p.zijlstra@chello.nl,
efault@gmx.de, fweisbec@gmail.com, tglx@linutronix.de,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:perf/urgent] perf tools: Fix the NO_64BIT build on pure 64-bit systems
Date: Wed, 14 Oct 2009 08:20:52 +0200 [thread overview]
Message-ID: <20091014062052.GD784@elte.hu> (raw)
In-Reply-To: <20091013140915.96cfe060.randy.dunlap@oracle.com>
* Randy Dunlap <randy.dunlap@ORACLE.COM> wrote:
> On Mon, 12 Oct 2009 08:34:16 GMT tip-bot for Ingo Molnar wrote:
>
> > Commit-ID: 55621ccf2b7a8afe39df8c80f55b28424fd07d13
> > Gitweb: http://git.kernel.org/tip/55621ccf2b7a8afe39df8c80f55b28424fd07d13
> > Author: Ingo Molnar <mingo@elte.hu>
> > AuthorDate: Mon, 12 Oct 2009 09:57:25 +0200
> > Committer: Ingo Molnar <mingo@elte.hu>
> > CommitDate: Mon, 12 Oct 2009 10:00:27 +0200
> >
> > perf tools: Fix the NO_64BIT build on pure 64-bit systems
> >
> > Randy Dunlap reported that 'make NO_64BIT=1' fails to build
> > a pure 32-b it binary on 64-bit/64-bit x86 systems.
> >
> > The reason is that we dont pass in the -m32 and GCC defaults
> > to -m64.
> >
> > So pass it in - and also extend the warning message about libelf
> > dependencies - glibc-dev[el] is needed as well beyond the libelf
> > library.
>
> Ingo, thanks, I finally got this working, after installing more 32-bit
> libs etc., like Kyle said that I would need to do.
>
> The error message is still a little misleading/confusing:
> Makefile:426: *** No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]. Stop.
>
> when elfutils-libelf-devel.i586 is installed but glibc-devel.i[56]86 is not
> installed. gcc failed with:
> In file included from /usr/include/features.h:376,
> from /usr/include/sys/types.h:27,
> from /usr/include/libelf.h:53,
> from elfdeveltest.c:1:
> /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory
Why is it misleading? It says it very clearly that you need to install
both:
please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]. Stop.
Ingo
next prev parent reply other threads:[~2009-10-14 6:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <tip-55621ccf2b7a8afe39df8c80f55b28424fd07d13@git.kernel.org>
2009-10-13 21:09 ` [tip:perf/urgent] perf tools: Fix the NO_64BIT build on pure 64-bit systems Randy Dunlap
2009-10-14 6:20 ` Ingo Molnar [this message]
2009-10-14 14:44 ` Randy Dunlap
2009-10-14 15:58 ` Arnaldo Carvalho de Melo
2009-10-14 16:01 ` Ingo Molnar
2009-10-14 16:02 ` Randy Dunlap
2009-10-19 2:20 ` [PATCH] perf tools: better error messages on missing packages Randy Dunlap
2009-10-19 8:42 ` [tip:perf/core] perf tools: Display " tip-bot for Randy Dunlap
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