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Mail Archives: cygwin-apps/2001/06/13/07:04:18

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From: "Ralf Habacker" <Ralf DOT Habacker AT saght DOT tessag DOT com>
To: "Cygwin-Apps" <cygwin-apps AT cygwin DOT com>
Cc: "Suhaib Siddiqi" <ssiddiqi AT inspirepharm DOT com>,
"Alan Hourihane" <alanh AT fairlite DOT demon DOT co DOT uk>,
"Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
Subject: AW: ask for delivering cygwin 1.1.8 with kde 1.1.2
Date: Wed, 13 Jun 2001 12:33:15 +0200
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In-reply-to: <EA18B9FA0FE4194AA2B4CDB91F73C0EF08F063@itdomain002.itdomain.net.au>

> Betreff: RE: ask for delivering cygwin 1.1.8 with kde 1.1.2
> cygwin-apps. (KDE is a ported application).
> I've removed Chris from the cc, as I know he is subscribed.
> So, Ralf, as I understand it the question is, why do you need cygwin
> 1.1.8, and an older ncurses?
1. I have reported ealier in the cygwin list about unix socket problems,
which occurs only on using cygwin 1.3.2.
After debugging kde, currently I have no idea what's going wrong. Curiously
with cygwin 1.1.8 there is no problem. One reason may be the relocation
problem found in cygwin by Robert Collins, but the sockets problems still

Currently I preparing a test environment for me, i think I can tell more

2. applications or linbs linked with cygwin 1.3.2 like ncurses reference a
pointer "check_for_executable" used by the method path_conv::exec_state().
This isn't available under cygwin 1.1.8. So if one application or lib is
linked with cygwin 1.3.2 it will never runs under cygwin 1.1.8. Especially
in deep nested applications like kde this wilkl produced much support

It is not possible to put this var into the structure pointed by the
impure_ptr (or somewhere else) to prevent such incompatibility ?

> Does using ld without the auto-image-base solve your issues with cygwin
> 1.3.2?

You need to all -Wl,--export-all-symbols. Without that --whole-archive
doesn't do anything.
Additional I have recognized a problem in using static libs, but this I have
to analyse more.

> What issues do you have with the latest ncurses?
look at 2.
ncurses 2.5-5 needs "check_for_executable", so if you update the cygwin
installation with it, some kde applications will not work (especiallyx kvt).
Look below for additional informations relating dependency problematic.

Dependency problems
Some libs like jpeglib are named with the major revision number, but without
the minor /release or buildnumber for examples cygjpeg6b.dll or

Especially for the jepglib there is an additional runtime checking if the
caller has compiled in the same version lib (with build-number).

So when I compile kde with cygjpeg6b-2 and some time later someone updates
his jpeglib to Release 6b-4, kde will not be able to run because of this
runtime checking.

Because of this I decided for kde to use dlls with detailed name (for
example kdecore-2-0-0.dll) so that multiple installed versions of one
package/lib are possibly.

The cygwin installer doesn't care about such dependencies, so currently, it
would be easier to supply depending libs with the kde (or other toplevel
packages) package with the resulting problem of equal named dlls with
different versions.


> Rob
> > -----Original Message-----
> > From: Ralf Habacker [mailto:Ralf DOT Habacker AT saght DOT tessag DOT com]
> > Sent: Wednesday, June 13, 2001 5:17 PM
> > To: Alan Hourihane; Christopher Faylor; Robert Collins; Suhaib Siddiqi
> > Subject: Re: ask for delivering cygwin 1.1.8 with kde 1.1.2
> >
> >
> > >I will forward you one of his email from this morning.  I do
> > not think he
> > >Asked these questions on the mailing list.  Perhaps if you
> > answer him and
> > >ask him if he will be willing to move the discussion to
> > mailing list so
> > >others can join too????
> >
> > Hi all,
> > which list we should use for this cygwinb or cygwin/xfree ?
> >
> > Regards
> >
> > Ralf Habacker
> > EMail: Ralf AT habacker DOT de
> >        Ralf DOT Habacker AT saght DOT tessag DOT com
> >

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