Re: [Denemo-devel] Static Linking (was Re: tablature status (August 2012))

[Jeremiah Benham]

Ok. I see I realize I will have better luck getting backward compatibility 
rather than forward compatibility.

Jeremiah

Richard Shann <address@hidden> wrote:

>I have done a bit of research on this topic and have come up with these
>
>http://www.pixelbeat.org/programming/linux_binary_compatibility.html
>
>http://www.redhat.com/archives/psyche-list/2003-June/msg00095.html
>
>http://unix.stackexchange.com/questions/9705/can-new-glibc-versions-be-used-with-an-old-kernel
>
>Another interesting link
>http://stackoverflow.com/questions/6941332/anticipate-kernel-too-old-errors-between-2-6-16-and-2-6-26-kernel-versions
>which has this snippet:
>One way you can determine the minimum kernel version for a given ELF
>file is to run file on it, like so:
>
>$ echo 'int main(){}' > test.c
>$ gcc -o test test.c
>$ file test
>test: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked 
>(uses shared libs), for GNU/Linux 2.6.38, not stripped
>
>The important part here is the "for GNU/Linux 2.6.38", which indicates
>the minimum kernel version.
>
>Richard
>
>
>
>On Sat, 2012-08-25 at 09:25 +0100, Richard Shann wrote:
>> I should explain better:
>> On Fri, 2012-08-24 at 23:35 -0500, Jeremiah Benham wrote:
>> > Unfortunately I am not getting a segfault. I do know what to do now.
>> > It 
>> > segfaults after I added the libglib libraries. 
>> what I am thinking is that it is not because the libglib libraries are
>> the wrong ones, but that they allow the program to get as far as
>> actually starting, whereupon it tries a glibc call (likely the startup
>> before main() ) and that segfaults. You could find out where it
>> segfaults to confirm this, my guess is it is before it gets to main().
>> (use gdb with b main). If it was adding the libglib libraries that was
>> bad it would get past main and try to call gtk_init() and then crash.
>> 
>> Hence my reasoning that trying to run with a miss-matched pair of
>> kernel-glibc is probably a dead end. 
>> 
>> So the thing to try is putting in the libglib stuff and running on some
>> other modern distro. Possibly taking out glibc as it is available in the
>> distro, (and the glibc in the distro will work with the kernel in that
>> distro).
>> 
>> Richard
>> 
>> 
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>
>