Re: [gentoo-user] Keeping 17-year-old Kylix software alive

[Mick]

On Sunday, 9 June 2019 09:21:17 BST Mick wrote:
> Hi Matt,
>
> On Sunday, 9 June 2019 08:49:21 BST Matthias Hanft wrote:
> > Hi,
> >
> > many years ago, I created some libSomething.so with Kylix 3 (1)
> > which still worked with current (32bit) Gentoo systems (Kernel
> > 4.14.83).
> >
> > Using "revdep-rebuild.sh" (the *old* script!), for some time,
> > I already got messages like
> >
> > broken /usr/local/lib/libxercesxmldom.so.1
> > /usr/local/lib/libxercesxmldom.so.1 (symbol __pthread_atfork version
> > GLIBC_2.0 not defined in file libpthread.so.0 with link time reference
> > symbol __pthread_initialize version GLIBC_2.0 not defined in file
> > libpthread.so.0 with link time reference)
> >
> > but everything worked fine anyway ("libxercesxmldom" is part of
> > Borland's standard runtime libraries).
>
> Did you try the new revdep-rebuild in case it works (better)?
>
> > However, after upgrading glibc from 2.27 to 2.28 (or newer), this
> > is not true any more: Compiling and running a C program using the
> > old Kylix libSomething.so libraries causes Segmentation fault, and
> > Apache using a PHP extension which calls those libraries won't start
> > at all any more.
> >
> > For recompiling the Kylix libSomething.so libraries, I'm keeping
> > alive a Suse 8.1 Linux (2) in VirtualBox (Kernel 2.4.19).
> >
> > Do you see any chance to keep those Kylix libraries alive and
> > running? If it would help, I'd try to install the old Kylix on
> > a current Gentoo system and try to recompile there (although
> > I guess Kylix won't run on a current Kernel any more - if it
> > can be installed at all).
> >
> > Switching to another (Pascal-/Delphi-/Lazarus-/etc.) Compiler
> > is not an option because the .so libraries are in fact "packages"
> > (BPL, a special Borland library version).
> >
> > Is there any possibility for some "binary interface/gateway" to
> > use those libraries any more, or do I have to reprogram the
> > whole functionality with PHP?
> >
> > -Matt
> >
> > (1) https://en.wikipedia.org/wiki/Borland_Kylix
> > (2) https://en.wikipedia.org/wiki/SUSE_Linux#SUSE_distributions
>
> I am not familiar with the particular software and wouldn't know how to keep
> it alive on a present day Gentoo system - other than building Gentoo using
> an old snapshot and installation media, perhaps in a VM and using
> additional packages of the same era from the attic in a local overlay.
>
> Someone else may be able to offer useful advice, but I would think this is
> more of a question suitable for the gentoo-dev mailing list[1] and IRC
> channel[2].  Have you tried asking there?
>
> [1] https://www.gentoo.org/get-involved/mailing-lists
> [2] https://www.gentoo.org/get-involved/irc-channels/all-channels.html

Hmm ... reading about borland kylix in the link you provided and this article 
I'm wondering if the two are related:

https://www.gentoo.org/support/news-items/2017-04-10-split-and-slotted-wine.html

-- 
Regards,
Mick