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List:       kde-devel
Subject:    Re: FYI: size optimizations
From:       Stephan Kulow <coolo () alpha ! tat ! physik ! uni-tuebingen ! de>
Date:       1999-05-23 17:58:38
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Mosfet wrote:
> 
> On Sun, 23 May 1999, Rik Hemsley wrote:
> ... snip...
> > There is the issue that we can't really do -no-rtti in case someone wants to
> > compile something for KDE that uses it. I know my compiler at least gets upset
> > if you forget -no-rtti when Qt is using it.
> 
> RTTI is a funny thing. If you have a library with it removed and try to link
> something to it that has RTTI, it will fail. OTOH, if  the library has RTTI
> and you don't use it when compiling a binary that links to it, that is fine.
> The main point is if you compile libraries without RTTI then everything needs
> to be compiled without it.
> 
> We can't do this because parts of KOffice use dynamic_cast. Thus my suggestion
> would be to keep rtti in kdelibs and the KOffice lib components, and make it
> optional for programs. This can perhaps be done with an autoconf varibable
> $(NO_RTTI) that developers can use in their Makefile.am's if they are not
> using any features that require it. On non-egcs systems it would just expand
> to nothing.
> 
Well, it would make more sense to use $(RTTI) if you do ;)

Greetings, Stephan

-- 
Und sie nannten ihn, wie er selbst unterschrieb -
Den Trojanischen Pferdedieb

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