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From: Grant Edwards <grant.b.edwards@gmail.com>
To: buildroot@busybox.net
Subject: [Buildroot] libssp missing from target
Date: Tue, 31 Aug 2010 18:39:01 +0000 (UTC)	[thread overview]
Message-ID: <i5ji85$mrr$2@dough.gmane.org> (raw)
In-Reply-To: 20100831200709.11d5a800@surf

On 2010-08-31, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote:
> On Tue, 31 Aug 2010 14:52:34 +0000 (UTC)
> Grant Edwards <grant.b.edwards@gmail.com> wrote:
>
>> I just added a package (systemtap) that uses libssp.  I find libssp.so
>> et al. are present in output/staging/lib but missing from
>> output/target/lib. Is there something I need to do in my package
>> makefile to tell buildroot that my package needs libssp to be copied
>> from staging into target?
>
> What is libssp?

I don't really know.  Here are the text symbols it defines:

 __chk_fail
 __stack_chk_fail
 __stack_chk_fail_local
 __gets_chk
 __memcpy_chk
 __memmove_chk
 __mempcpy_chk
 __memset_chk
 __stpcpy_chk
 __strcat_chk
 __strcpy_chk
 __strncat_chk
 __strncpy_chk

My guess is it's some internal uClibc stuff.

> Who needs it (besides systemtap)

Nothing that I happen to be building (as far as I know).

> and for what?

I don't know.  Does it matter?

> It seems to exist in uClibc toolchains, but not in glibc toolchains.

OK.

Why not run "ldd" on the binaries in output/target/bin and
output/target/usr/bin and just copy whatever libraries they need?

Does buildroot need to know exactly for what a library is used by each
binary?

-- 
Grant Edwards               grant.b.edwards        Yow! I want to kill
                                  at               everyone here with a cute
                              gmail.com            colorful Hydrogen Bomb!!

  reply	other threads:[~2010-08-31 18:39 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-31 14:52 [Buildroot] libssp missing from target Grant Edwards
2010-08-31 16:20 ` Grant Edwards
2010-08-31 18:05   ` Thomas Petazzoni
2010-08-31 18:29     ` Grant Edwards
2010-08-31 18:07 ` Thomas Petazzoni
2010-08-31 18:39   ` Grant Edwards [this message]
2010-09-01  8:56   ` Will Newton

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