XE8 console app large increase in code size over 2007
I have several small console apps coded in 2007 that when compiled in XE8 explode in size. The problem appears to be anything that uses the classes unit, an empty console app that includes the classes unit will create an executable near 1MB in size, the same in D2007 would be only a few KB. I obviously don't need the VCL but use of a few classes is necessary but completely unusable in XE8 since the apps are intended for use on an embedded system with limited storage space. Is there any way to mitigate this code bloat or do I have to downgrade to 2007?
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Andy
8/12/2015 9:59:51 PM
embarcadero.delphi.general
4258 articles. 
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Andy Kozakewycz wrote: > I have several small console apps coded in 2007 that when compiled in > XE8 explode in size. > > The problem appears to be anything that uses the classes unit, an > empty console app that includes the classes unit will create an > executable near 1MB in size, the same in D2007 would be only a few KB. > > I obviously don't need the VCL but use of a few classes is necessary > but completely unusable in XE8 since the apps are intended for use on > an embedded system with limited storage space. > > Is there any way to mitigate this code bloat or do I have to > downgrade to 2007? I assume you have made sure the executable is build without debug info? The default for the linker settings for this has changed somewhere in the XE product line. If EXE size is really that much of a problem for you and you want to go to a newer Delphi version you may have to make a copy of the Classes unit, rename it, rigorously cut it down to the parts you really need, and use that modified unit instead of the standard Classes unit. The RTL design has changed somewhat since D2007, mostly to make use of generics, new language features like anonymous methods, and of course to support cross-platform development. The generics stuff used by system.Classes alone probably accounts for a significant part of the size increase... -- Peter Below (TeamB)
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Peter
8/13/2015 9:17:56 AM
> {quote:title=Peter Below wrote:}{quote}
> Andy Kozakewycz wrote:
>
> > I have several small console apps coded in 2007 that when compiled in
> > XE8 explode in size.
> >
> > The problem appears to be anything that uses the classes unit, an
> > empty console app that includes the classes unit will create an
> > executable near 1MB in size, the same in D2007 would be only a few KB.
> >
> > I obviously don't need the VCL but use of a few classes is necessary
> > but completely unusable in XE8 since the apps are intended for use on
> > an embedded system with limited storage space.
> >
> > Is there any way to mitigate this code bloat or do I have to
> > downgrade to 2007?
>
> I assume you have made sure the executable is build without debug info?
> The default for the linker settings for this has changed somewhere in
> the XE product line.
>
> If EXE size is really that much of a problem for you and you want to go
> to a newer Delphi version you may have to make a copy of the Classes
> unit, rename it, rigorously cut it down to the parts you really need,
> and use that modified unit instead of the standard Classes unit. The
> RTL design has changed somewhat since D2007, mostly to make use of
> generics, new language features like anonymous methods, and of course
> to support cross-platform development. The generics stuff used by
> system.Classes alone probably accounts for a significant part of the
> size increase...
>
> --
> Peter Below (TeamB)
Thanks but I have found an easier solution, I have requested a license for D2007 and its downloading now.
Seems like this is still the ultimate version.
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Andy
8/18/2015 9:58:45 AM
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