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List:       mingw-users
Subject:    Re: [Mingw-users] MinGW GCC 4.7.0 released
From:       ralph engels <ralphengels () gmail ! com>
Date:       2012-06-15 9:36:14
Message-ID: 4FDB020E.9050603 () gmail ! com
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Den 15-06-2012 10:07, Fredric Johansson skrev:
> On Thu, Jun 14, 2012 at 2:38 PM, Earnie Boyd
> <earnie@users.sourceforge.net>  wrote:
> > On Thu, Jun 14, 2012 at 7:40 AM, Chris Sutcliffe wrote:
> > > On 14 June 2012 07:27, Earnie Boyd wrote:
> > > > We now have two issues opened for 4.7.0.  I've questioned the
> > > > libraries being used in both.
> > > Do mingwrt and w32api need to be rebuilt with this GCC release (I read
> > > there was an ABI breakage)?
> > I'm under the impression that we should if just for the safety reason.
> > The GCC mingw-get meta data should be keyed to the versions of
> > mingwrt and w32api as well and other packages keyed to the mingwrt
> > version.
> > 
> I did a rebuild of latest mingwrt and w32api with gcc-4.7 to test. I'm
> not sure if they were built correctly or if there is a bug because now
> a simple "hello world" in either c or c++  crash on load. Do anyone
> else who have tested experienced that?
> 
> //Fredric
> 
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First time i tried building 4.7.0 everything that used libstdc++ (static 
or dynamic) would crash, i had to rebuild api crt and binutils + 
dependencies (gmp mpfr mpc iconv pthread etc) before it started working 
so yes i can confirm that it happens. My current build seems to work 
though but its a mingw64 build. older compiled libraries seem to work ok 
with it also if the things above are rebuilt with 4.7.0.

Regards Ralph

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Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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