On 2011-11-2 20:09, Pau Garcia i Quiles wrote: > Hi, > > Ruben, do you know why gdb seems to be slow at the start of session? > It seems to be the only thing preventing Qt and Qt Creator from > adopting mingw-w64 as the official gcc toolchain on Windows and > supporting x64. > > Thank you > > > ---------- Forwarded message ---------- > From: andy fillebrown > <[email protected]> > Date: Wed, Nov 2, 2011 at 1:01 PM > Subject: Re: [Qt-creator] [Development] mingw x64 > To: Yves Bailly <[email protected]> > Cc: [email protected] > > > Howdy, > > FWIW, Qt and Qt Creator both built out of the box using Ruben's mingw > w64 4.6.3 build, and the python based debugging helpers all seems to > be working when debugging in Qt Creator, which is great! > > Gdb takes a long time to set breakpoints at the start of a session, > though. I've seen this with other versions of mingw/gdb, too, so it's > probably not a mingw w64 specific problem, but it keeps me from using > mingw w64 as my main toolchain on Windows. For now I'm sticking with > the mingw toolchain from the Qt sdk. > > Cheers, > ~ andy.f > > > > On Wed, Nov 2, 2011 at 3:15 AM, Yves Bailly > <[email protected]> wrote: >> Le 29/10/2011 14:14, Pau Garcia i Quiles a écrit : >>> Another benefit of mingw-w64 is large file support via >>> _FILE_OFFSET_BITS=64, which makes very easy to support cross-platform >>> applications that deal with> 2 GB files. No other MinGW flavor >>> supports that, AFAIK. >>> >> >> Let me second that, adding the fact that some of us "poor" developers >> for desktop sometime need to handle more than 4GB of RAM... not everyone >> is writing small-mobile-embeded apps ;-) >> >> Support for mingw-x64 is a long lasting and real need. About gdb working >> or not, for my own case it doesn't matter much. >> >> Regards, >> >> -- >> /- Yves Bailly - Software developper -\ >> \- Sescoi R&D - http://www.sescoi.fr -/ >> "The possible is done. The impossible is being done. For miracles, >> thanks to allow a little delay." >> _______________________________________________ >> Qt-creator mailing list >> [email protected] >> http://lists.qt-project.org/mailman/listinfo/qt-creator > Hi, I always meet the gdb slow start session problem, but have you ever try this patch:
http://sourceware.org/ml/gdb-patches/2011-11/msg00141.html It looks like the comparison of files takes a lot of time if your app has many dll loading on the start up session. A related topic can be found here: Re: configure file to debug codecompletion plugin http://forums.codeblocks.org/index.php/topic,12951.msg87332.html#msg87332 Also, you can try my build gdb.exe, see: [OT] unofficial MinGW GDB gdb with python released - http://forums.codeblocks.org/index.php/topic,11301.msg77000.html#msg77000 asmwarrior ollydbg from codeblocks' forum ------------------------------------------------------------------------------ RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Mingw-w64-public mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
