Re: Re: Is there a 64-bit Linux tclkit 8.5.9?

On 10/06/2011 1:59 AM, Zbigniew Diaczyszyn wrote:
>>  Mostly people use 32 bit versions as there is not that much to be
>>  gained by running a 64 bit tcl process and 64 bit operating systems
>>  are all quite happy to run 32 bit processes.

FWIW, 64-bit exes on a 64-bit system are actually 5+% faster due to 
compiler opts for the newer arch.

> True, that's the reason why I still work on a 32-bit Slackware Linux.
> But the number of the 64-bit users is increasing and e.g. the Slackware
> 64-bit version is a pure 64-bit implementation so a 32bit tclkit will
> not even launch.

Yes, we've seen the same, in that newer 64-bit Linux OSes default 
configs do not have the necessary support libs to run 32-bit exes. 
However ...

> An user of my app remarked that old versions I compiled with tclkit
> 8.5.7 are shared libraries (which had no problems to launch on 64bit
> system):
>
>> $ ldd gorilla1533.bin
>> linux-gate.so.1 => (0xb7822000)
>> libdl.so.2 => /lib/libdl.so.2 (0xb7806000)
>> libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7716000)
>> libm.so.6 => /lib/libm.so.6 (0xb76f0000)
>> libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0xb76d3000)
>> libc.so.6 => /lib/libc.so.6 (0xb756f000)
>> /lib/ld-linux.so.2 (0xb7823000)
>
> whereas the new versions compiled with tclkit 8.5.9:
>
>> tclkit sdx.kit wrap gorilla.bin -runtime tclkit-8.5.9-linux
>
> seem to be static:
>
>> $ ldd gorilla1535.bin
>> not a dynamic executable
>
> Looking for information in gorilla1535.bin shows:
>
>> gorilla1534.bin: ELF 32-bit LSB executable, Intel 80386, version 1,
>> statically linked, corrupted section header size
>
> Corrupted header size???
>
> Is there a way to get a dynamic version?

I'm suspicious that dynamic should work over static.  The problem is 
that it is the dynamic 32-bit base library set that isn't installed by 
default.  I would suspect that a truly static 32-bit exe should be fine, 
but it might have to be static right down to the libc.  In general, each 
distro has its own (differently named of course) 32-bit compat libs that 
can be installed if you just want to make that a requirement.

Jeff

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