README.qtcopy: -no-stl or no -no-stl?

[Simon Hausmann]

On Tuesday 20 January 2004 10:30, Bo Thorsen wrote:
> On Monday 19 January 2004 14:20, Navindra Umanee wrote:
> > Hi,
> >
> > The first ./configure example in README.qt-copy is:
> >
> > ./configure -system-zlib -qt-gif -system-libpng -system-libjpeg \
> >   -plugin-imgfmt-mng -thread -no-stl -fast
> >
> > but the recommended ./configure line for GCC is:
> >
> > ./configure -system-zlib -qt-gif -system-libpng -system-libjpeg \
> >   -plugin-imgfmt-mng -thread -no-exceptions -debug -fast
> >
> > Why does the first one include -no-stl but not the second one?  There
> > isn't an explanation in the file as to which one is most desireable,
> > speed and efficiency wise.
>
> And another thing: Why the "-no-exceptions"? Ever since gcc 3.0.0 was out,
> having exceptions support compiled in is free of runtime costs, up until
> the point where you actually throw an exception. If people want to write
> code that uses exceptions, why not allow them to do so? I know there's an
> old grudge against exceptions in kde code, but there's no reason to
> cripple peoples Qt, when they might download Qt apps that need
> exceptions. And yes, there are examples of such apps.

I believe the original reason for the -no-exceptions recommendation was not 
runtime cost but the increased size of the generated code and increased 
memory consumption. Not sure though if that still applies with recent version 
of gcc.

Simon