[Qt-creator] optimization and file size between versions

[Orgad Shaneh]

בתאריך 2013 9 27 16:49, מאת "Duane" <duane.hebert at group-upc.com>:
>
> On 9/27/2013 9:43 AM, Ziller Eike wrote:
> >
> > On 27.09.2013, at 14:52, Duane <duane.hebert at group-upc.com> wrote:
> >
> >> On 9/27/2013 8:21 AM, Orgad Shaneh wrote:
> >>>
> >>> בתאריך 2013 9 27 15:15, מאת "Duane" <duane.hebert at group-upc.com
> >>> <mailto:duane.hebert at group-upc.com>>:
> >>>>
> >>>> I have Qt Creator version 2.7.2 and am using Qt 4.8.4.  My colleague
has
> >>>> Qt Creator version 2.4.1 and is using Qt 4.8.1.  We are both running
the
> >>>> Fedora 16.  We use the same project file and this project doesn't use
> >>>> the Qt libs.
> >>>>
> >>>> The .pro file has
> >>>> TEMPLATE = app
> >>>> CONFIG += console
> >>>> CONFIG -= qt
> >>>>
> >>>>
> >>>> When he builds he gets an executable 1.5Mb.  When I build, I get an
> >>>> executable of 10.6Mb  Both are release builds.  We both use the same
> >>> libs.
> >>>>
> >>>> What can cause this?  How is optimization done here?  We build the
same
> >>>> project for Windows in Visual Studio and the exe files are the same
size
> >>>> but we've set the same optimization.
> >>>>
> >>>> _______________________________________________
> >>>> Qt-creator mailing list
> >>>> Qt-creator at qt-project.org <mailto:Qt-creator at qt-project.org>
> >>>> http://lists.qt-project.org/mailman/listinfo/qt-creator
> >>>
> >>> Can you paste the build output for both machines? A single file gcc
> >>> invocation and a single linker invocation should be enough (if the
> >>> project is not very complex).
> >>>
> >>
> >>
> >> This would be quite a bit.  It's not a simple project.  But I have
tried
> >> a few things.  My Qt Creator SDK installation installed Qt 5.1.  So I
> >> switched the kit to use this.  My build size goes from 10.6Mb to 8.6Mb.
> >>   This was surprising.  So then I found my older version of Qt 4.8.1.
 I
> >> switched to that one and my file size becomes the same as my Colleague.
> >>   1.5Mb.  So it's definitely the Qt version affecting this.  AFAIK
these
> >> versions were installed with Qt Toolkits and not build manually.  So
I'm
> >> not sure what the difference would be.  I would maybe understand this
is
> >> I was using any Qt libs but we're not for this application.  Make flags
> >> look the same on the two systems.  I don't get it.
> >
> >
> > debug vs release build maybe?
> >
>
> I started to say no, but then again when I switch from release to debug
> the file size doesn't change.  Something is broken here.  But when I
> switch to 4.8.1 things seem ok.  I am currently building 4.8.5 to try
> that and see if it makes a difference.
>
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> http://lists.qt-project.org/mailman/listinfo/qt-creator

Try adding "QT=" to your project.
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