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Re: 64bit: C++ templates
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin-developers at cygwin dot com
- Date: Mon, 27 May 2013 15:22:08 +0200
- Subject: Re: 64bit: C++ templates
- References: <519D1DB1 dot 8020409 at users dot sourceforge dot net> <20130523084616 dot GC13513 at calimero dot vinschen dot de> <51A2C563 dot 1030000 at users dot sourceforge dot net> <20130527094343 dot GA21858 at calimero dot vinschen dot de> <20130527095305 dot GA22813 at calimero dot vinschen dot de> <51A333DB dot 3070508 at gmail dot com> <20130527104215 dot GA23613 at calimero dot vinschen dot de> <51A33C7D dot 2010106 at gmail dot com> <20130527111519 dot GB4653 at calimero dot vinschen dot de> <51A35664 dot 6090806 at gmail dot com>
- Reply-to: cygwin-developers at cygwin dot com
On May 27 14:49, marco atzeri wrote:
> Il 5/27/2013 1:15 PM, Corinna Vinschen ha scritto:
> >On May 27 12:59, marco atzeri wrote:
> >>Il 5/27/2013 12:42 PM, Corinna Vinschen ha scritto:
> >>>On May 27 12:22, marco atzeri wrote:
> >>>>Il 5/27/2013 11:53 AM, Corinna Vinschen ha scritto:
> >>>>>
> >>>>>And worse, the problem goes away when building without optimization.
> >>>>>There might be another GCC bug lurking in the background...
> >>>>>
> >>>>
> >>>>Probably there is more than one.
> >>>>I hit a gcc-4.8 optimization bug testing slang, the workaround
> >>>>was to build the 64 bit package without any optimization.
> >>>
> >>>slang is written in c++?
> >>
> >>in C
> >
> >And you built it with the default -mcmodel=medium, I assume. Well,
> >it's not that gcc would be entirely bug free and 4.8.1 is lurking
> >around the corner already. Any chance to create a simple testcase?
>
> default -mcmodel=medium
>
> Slang is a small library and the failure is
> during "make check" when UTF8 is not used
>
> http://mailman.jedsoft.org/pipermail/slang-users-l/2013/000788.html
Hmm. For some reason that reminds me of the problem we had with the
localtime changes two weeks ago. Just out of curiosity, would you mind
to try an optimized build again, but this time add the -fwrapv option?
> about the test, I need to look, but I will wait after 4.8.1
Sure, that's fine.
Thanks,
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
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