On Jul 17 16:31, Jon TURNEY wrote: > On 17/07/2014 08:37, Corinna Vinschen wrote: > >On Jul 17 06:02, JonY wrote: > >>On 7/16/2014 15:02, Corinna Vinschen wrote: > >>>On Jul 15 16:39, Corinna Vinschen wrote: > >>>>On Jul 15 21:55, JonY wrote: > >>>>>On 7/15/2014 21:08, Corinna Vinschen wrote: > >>>>>>> > >>>>>>>FWIW, the problem disappears if I revert gcc-core and libgcc1 to > >>>>>>>4.8.2-2. > >>>>>> > >>>>>>JonY, do you have a chance to have a look into this issue? > >>>>> > >>>>>Sorry, I have been busy these few weeks, but I am well aware that there > >>>>>is a problem with one of the libgcc changes, but has yet to investigate > >>>>>it. > >>>>> > >>>>>I believe Jon Turney has looked into it somewhat. > > I think this is the same or a similar problem to the one I reported at [1]. > I also created a gcc bug [2], with a suggested patch. > > >>>>Sounds good. Thanks in advance. > >>> > >>>Yesterday I asked my collegues to take a stab at the issue and one of > >>>them, DJ Delorie, came up with a libgcc patch already. It hasn't been > >>>sent upstream yet. Can we give it a try, perhaps by creating a new > >>>libgcc DLL, please? > >> > >>Thanks, I'll get to it this weekend, should I make the new gcc an > >>experimental version? Or is just the libgcc binary required? > > > >It's the libgcc DLL which gives us grief, so a new libgcc package is > >sufficent, afaics. We should check if this DLL fixes the problem and > >then make it "curr" soon, I think. > > I briefly tested this other patch with my test case from the mail above, and > it doesn't seem to help. > > On 15/07/2014 15:45, Jan Nijtmans wrote: > > Is this essentially the same problem as described here? > > > > <http://gcc.gnu.org/ml/gcc/2013-05/msg00180.html> > > No, I think it is an unforeseen consequence of the patch [3] to fix that bug > [4], which I believe is present in 4.8.3-1, introducing a new problem when > an executable which doesn't depend on libgcc dlopen()s a dll which does. > > [1] https://cygwin.com/ml/cygwin/2014-07/msg00083.html > [2] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61752 > [3] https://sourceware.org/ml/cygwin/2013-07/msg00528.html > [4] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57982
I asked DJ to take another look, but I guess ultimately we need the attention of one of the GCC Windows maintainers. Kai Tietz seems to be unavailable right now, unfortunately. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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