Re: [Opengrads-devel] Shared Library Error Prevents OpenGrADS 2.0.2 From Starting

[Devin B. <db...@ws...>]

Hi Arlindo,

Thanks for the reply. Unfortunately, just adding "libstdc++.so.6" didn't
work (it eliminated those errors, but the ones pointing to libc.so.6
remain). If I only add the "libc.so.6" library to gex and don't include
"libstdc++.so.6", I get the errors referring to that library (like
"/usr/lib/libstdc++.so.6:
version `GLIBCXX_3.4.11' not found") only, with no complaints on behalf of
libc.so.6. Adding both nets you the "unexpected PLT reloc" error for
"libc.so.6".

Those details are probably (hopefully) water under the bridge if I am able
to build from source. Unfortunately I see this morning the OpenGrADS wiki
is down. Are there instructions elsewhere, by chance?

Thanks again,
Devin


On Wed, Jul 2, 2014 at 10:29 AM, Arlindo da Silva <da...@al...>
wrote:

> On Tue, Jul 1, 2014 at 12:02 PM, Devin Boyer <db...@ws...> wrote:
>
>> Hi there,
>>
>> I'm attempting to install OpenGrads 2.0.2.oga.2 on our CentOS 5 machine
>> and am running into some difficulty. I downloaded
>> the grads-2.0.2.oga.2-bundle-i686-pc-linux-gnu.tar.gz package and untarred
>> it. When I first run "grads" from this, I get 7 errors, 3 that version of
>> GLIBCX aren't found (in  /usr/lib/libstdc++.so.6) and 4 that versions of
>> GLIBC aren't found (in /lib/libc.so.6). (I can provide the exact error
>> output if that is helpful.)
>>
>> To remedy, I tried to copy those libraries from those included in the
>> libs directory to the gex directory, as suggested in the documentation.
>>
>
> As mentioned in the documentation, add only one library at a time. If it
> complained about "libstdc++.so.6" then add this one and see what happens.
> Do not not add "libc.so.6" unless you have a reason to do so.
>
>
>> After doing that, I now get this error:
>>
>> /opt/opengrads2.0.2/Linux/Versions/2.0.2.oga.2/i686/grads: error while
>> loading shared libraries:
>> /opt/opengrads2.0.2/Linux/Versions/2.0.2.oga.2/i686/gex/libc.so.6:
>> unexpected PLT reloc type 0x2a
>>
>>
> Try removing libc.so.6 from gex/ and see what happens (but keep
> libstc++.so.6). I know it is counter intuitive.
>
>
>>
>> Interestingly enough, if I download the previous GrADS release
>> (2.0.1.oga.1), everything works fine if I simply just extract contents of
>> the tarball.
>>
>
> Release 2.0.1 was built in 2011 and it is possible that I has running
> CentOS 5 back then. My i686 build machine is a recent Ubuntu release.
>
>
>> This happens with both the oga.1 and oga.2 releases of version 2.0.2. I
>> did notice that there's a bit of a difference in filenames between 2.0.1
>> and 2.0.2 - could this be part of the difference?
>>
>> grads-2.0.1.oga.1-bundle-i686-glibc2.5-linux-gnu.tar.gz
>> -versus-
>> grads-2.0.2.oga.2-bundle-i686-pc-linux-gnu.tar.gz
>>
>
>
> I was including the libc version  by hand just for reference and I forgot
> to do it this time; this should not be an issue.
>
>
>>
>> Does this seem to be some sort of issue with the distribution or does it
>> seem more like a problem on my end?
>>
>>
> Try removing libc.so.6 from gex/ and let me know what it happens. If it
> still does not work we will need to perform a build on your machine. Please
> post you reply on gradsusr in order to provide a searcheable reference for
> this particular issue.
>
>
>      Arlindo
>
>
> --
> Arlindo da Silva
> *da...@al... <da...@al...>*
>
>
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