[ELDK] eldk Digest, Vol 54, Issue 4

[TIM Huang]

Hi,
     could anyone send me newest Fr at ee%$#G$ate. I'm from China, I just want
know the real world.
I dislike the Red gov. HELP ME. thanks

2012/4/24 <eldk-request at lists.denx.de>

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> Today's Topics:
>
>   1. segmentation error while using libraries from ELDK 5.1
>      (Gorelik, Jacob (335F))
>   2. Re: Issues with libtool library files in ELDK 5.1 rootfs
>      (Anatolij Gustschin)
>   3. Re: segmentation error while using libraries from ELDK 5.1
>      (Wolfgang Denk)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 23 Apr 2012 19:43:43 +0000
> From: "Gorelik, Jacob (335F)" <jacob.gorelik at jpl.nasa.gov>
> Subject: [ELDK] segmentation error while using libraries from ELDK 5.1
> To: "eldk at lists.denx.de" <eldk at lists.denx.de>
> Message-ID: <406600FA-1987-49E2-A37D-81B133A38E27 at jpl.nasa.gov>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello,
>
> We are using Linux kernel 3.3.2 on a PPC750FX based board compiled using
> ELDK 5.1 tools. When we try to use libpthread.so.0 from ELDK 5.1 we get
> segmentation fault; however, when we try to use libpthread.so.0 from ELDK
> 4.2 everything works fine. Is it a setup error, or we need to recompile the
> library?
>
> Thank you,
> Jacob
>
> ------------------------------
>
> Message: 2
> Date: Mon, 23 Apr 2012 22:31:38 +0200
> From: Anatolij Gustschin <agust at denx.de>
> Subject: Re: [ELDK] Issues with libtool library files in ELDK 5.1
>        rootfs
> To: Wolfgang Denk <wd at denx.de>
> Cc: eldk at lists.denx.de
> Message-ID: <20120423223138.7ceb1b86 at wker>
> Content-Type: text/plain; charset=US-ASCII
>
> Hello Wolfgang,
>
> On Thu, 19 Apr 2012 12:30:45 +0200
> Wolfgang Denk <wd at denx.de> wrote:
>
> > Dear Anatolij,
> >
> > In message <20120323164500.6ecc2c10 at wker> you wrote:
> > >
> > > Recently I've seen problems when building an autotools based package
> > > on the target and using /opt/eldk-5.1/powerpc/rootfs-qte-sdk as the
> > > root file system. In the libtool library files each path in the
> > > dependency_libs list is prefixed by "=". This causes linking issues
> > > like:
> >
> > I just verified that this problem is still present in the latest
> > Yocto-1.2 release candidate 4;  I opened a bug report for it, see
> > https://bugzilla.yoctoproject.org/show_bug.cgi?id=2347
> >
> > I hope to get this fixed for ELDK 5.2.
>
> It appears that the issue is caused by the outdated libtool. There
> was no libtool in the source package, but a quite old ltmain.sh, so
> the newly created libtool didn't evaluate this new "=" syntax.
> Running "autoreconf --force --install" updates ltmain.sh in the
> source package (it runs "libtoolize --copy --force" among other
> things). So, after running autoreconf, configure and make the linking
> works. This new syntax in .la files looks really strange, but it
> seems this is not a bug.
>
> Thanks and
> best regards,
>
> Anatolij
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 24 Apr 2012 09:16:31 +0200
> From: Wolfgang Denk <wd at denx.de>
> Subject: Re: [ELDK] segmentation error while using libraries from ELDK
>        5.1
> To: "Gorelik, Jacob (335F)" <jacob.gorelik at jpl.nasa.gov>
> Cc: "eldk at lists.denx.de" <eldk at lists.denx.de>
> Message-ID: <20120424071631.31A0E20024F at gemini.denx.de>
> Content-Type: text/plain; charset=UTF-8
>
> Dear "Gorelik, Jacob (335F)",
>
> In message <406600FA-1987-49E2-A37D-81B133A38E27 at jpl.nasa.gov> you wrote:
> >
> > We are using Linux kernel 3.3.2 on a PPC750FX based board compiled
> > using ELDK 5.1 tools. When we try to use libpthread.so.0 from ELDK
> > 5.1 we get segmentation fault; however, when we try to use
> > libpthread.so.0 from ELDK 4.2 everything works fine. Is it a setup
> > error, or we need to recompile the library?
>
> What do you mean by "use this (or that) library"?  You cannot just
> pick one library from one setup and "use it".
>
> You always have to build your software using one tool chain, using the
> corresponding header files and linking against the matching libraries,
> and then run the result in the corresponding root file system.
>
> So if your application was working in ELDK 4.2, you must rebuild /
> relink it using the ELDK 5.1 tool chain, and then run it in the
> context of a ELDK 5.1 root file system, using 5.1 libraries only.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> The complexity of software is an essential property, not an  acciden-
> tal  one. Hence, descriptions of a software entity that abstract away
> its complexity often abstract away its essence.    - Fred Brooks, Jr.
>
>
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> End of eldk Digest, Vol 54, Issue 4
> ***********************************
>