On Sun, 21 Oct 2007 00:46:19 +0200 (CEST)
Michael Van Canneyt <[EMAIL PROTECTED]> wrote:

> 
> 
> On Sat, 20 Oct 2007, Mattias Gaertner wrote:
> 
> > On Sat, 20 Oct 2007 16:29:40 +0200
> > "Tomas Hajny" <[EMAIL PROTECTED]> wrote:
> > 
> > > On 19 Oct 07, at 13:14, Micha Nelissen wrote:
> > > > Jonas Maebe wrote:
> > > > > This is not true. You can perfectly compile a compiler using
> > > > > the previous' release rtl. 
> > > > 
> > > > Sure this is not the question.
> > > > 
> > > > > E.g. the people developing using the fp IDE often 
> > > > > do this (because they have a project for the compiler, but
> > > > > that one does not automatically compile the rtl). 
> > > > 
> > > > Adapt the project to use the new RTL ? Anyway, seems
> > > > "dangerous" to me, not testing possible RTL regressions then.
> > > > 
> > > > > A while ago, Peter removed several 
> > > > > dependencies of the compiler on the new rtl (related to endian
> > > > > swapping routines) for this reason.
> > > > 
> > > > I see the reason is not really coming out, but I'll stop now.
> > > 
> > > Well, I'd certainly have one (more) reason not to 
> > > put it into RTL - I don't think that support for 
> > > .ppu file format is something so general and 
> > > commonly used by (Free) Pascal programmers that 
> > > it should become part of our RTL.
> > 
> > And another:
> > A lazarus built with fpc 2.0.4 should be able to read the ppu of
> > 2.3.x. Even though the ppu format is very stable, it is not carved
> > in stone.
> 
> It's built so that a newer version can always read an older PPU file
> and vice versa: an old ppu unit can read a newer file, but just
> doesn't know how to interpret certain blocks.

Are we talking about a complete ppu parser or something to only read
the property info?

 
> > So, maybe it would be best to keep a working copy of the ppu reader
> > unit in the lazarus svn and give it a distinct name?
> 
> I think such a unit could best go in the packages, since it is
> tightly bound to FPC, and definitely non-visual ? 

Well, it should be bound to FPC, but it should not be bound to a
specific FPC version.


Mattias
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