Bug 24018 which appears to be a showstopper for running Cygwin on Wine

Alan W. Irwin irwin at beluga.phys.uvic.ca
Tue Jun 25 12:46:14 CDT 2013

Andrey Turkin has stated at
http://bugs.winehq.org/show_bug.cgi?id=24018 that this is really a
Cygwin bug.  I frankly don't understand the technical details
but his current test (an infinite loop with Cygwin fork
calls) may need some beefing up to convince the Cygwin developers they
have introduced a regression.

The reason why I mention a Cygwin regression is the winetricks script
mentions bug 24018 and works around it by downloading an old version
of the Cygwin installer.  I haven't tried that myself yet, but if that
workaround still works, then this is evidence that the issue is a
Cygwin regression which is an important consideration when reporting
this issue to the Cygwin developers.

Andrey Turkin was asked at
http://bugs.winehq.org/show_bug.cgi?id=24018 to report the issue to
Cygwin, but my search of the Cygwin mailing list archive didn't find
any post from him and only found one extremely casual (an aside to a
completely different thread) mention
(http://sourceware.org/ml/cygwin/2013-06/msg00471.html) from a
different wine developer of bug 24018 with no response to that

I currently have no experience with Cygwin and my only real interest
in Cygwin on Wine is it theoretically provides an alternative build
platform to my present successful work with the combination of MinGW,
MSYS, and Wine as a Windows build platform. But I haven't even been
able to get started with Cygwin on Wine because of this showstopping
bug. Therefore, I am mentioning the situation here in the hope that
some wine developer on this list with some knowledge of Cygwin will
take the responsibility of making a proper bug report to the Cygwin
mailing list (which according to http://cygwin.com/problems.html is
the correct place to report Cygwin bugs) including the evidence that
the issue is a Cygwin regression (assuming investigation of older Cygwin
versions with Turkin's test supports that conclusion).

Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (freeeos.sf.net); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).

Linux-powered Science

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