Re: libc error on older Linux

On 2026-06-03 14:59, Rainer Stratmann via fpc-pascal wrote:
>> What kind of application is that - is it a Lazarus (GUI) application, 
>> or
>> you just use Lazarus as your IDE? Is it a multi-threaded application?
>> 
>> Tomas
> 
> No GUI on more than 100 Computers (except on the compiling Computer, 
> which
> runs fine), I use the Framebuffer to set the Pixel directly. 800 x 600 
> Pixel
> Screen.
> No multi-threaded application.
> Just use Lazarus as the IDE.
> 
> On the compiling Computer on KDE the 800 x 600 screen is copied 
> frequently
> into an X Window. There the X Libraries are load at runtime 
> dynamically. It
> runs all fine.
> 
> When there is no KDE (more than 100 computers outside) then there is a 
> simple,
> plain Linux without any GUI.
> 
> I use the openssl and libcrypto library load at runtime dynamically.
> I think that should be ok and has nothing to do with this issue.
> 
> Compiled on Debian 13 in a KDE environment, runs fine.
> Debian 13 (without KDE) runs fine
> Debian 11 (without KDE) does not work as already described.
> Debian 12 (without KDE) works.
> 
> Can I put an older libc.so.6 somewhere and say fpc that it should use 
> that
> library for compiling?

The question is - do you really need to use libc at all then?

Tomas
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