[fpc-pascal] libc error on older Linux

[Rainer Stratmann]

Am Mittwoch, 3. Juni 2026, 16:55:39 CEST schrieb Warren Postma via fpc-pascal:
> Obvious question was Debian 11,
> version 'GLIBC_2.34' could be compiled from source or installed via a
> backports repo for debian 11, did OP try that?

No, how does it work exactly?
I think this is not easy.
 
Searching for "debian 11 backports glibc_2.34" gives no easy solution, but a 
bunch of sites with the same problem.

> 
> 
> On Wed, Jun 3, 2026 at 7:52 AM Rainer Stratmann via fpc-pascal <
> 
> fpc-pascal at lists.freepascal.org> wrote:
> > > I assume that you don't use this deprecated unit libc, do you? However,
> > > AFAIK, Lazarus adds a couple of units like cwstrings, cthreads, etc., to
> > > applications automatically, and these imply use of libc.so even without
> > > using unit libc. Unit cwstrings may be relevant for working with
> > > UnicodeStrings - does your application use UnicodeStrings / WideStrings?
> > > If not, you might be able to remove that dependency. If you use them,
> > > you might still try using unit fpwidestring instead.
> > > 
> > > Tomas
> > 
> > By now unit libc I can not find on the fly.
> > 
> > Units cwstrings, cthreads, UnicodeStrings, etc. I don't use.
> > 
> > Most things I write by myself, except the ssl library and the crypto
> > library.
> > 
> > I have to test step by step what causes the issue.
> > 
> > The same huge (more than 100 units, mostly self written) Program in 32 Bit
> > works perfect as I mentioned already.
> > 
> > 
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