[lazarus] Delphi and FPC compatible LCL version

[Michael.VanCanneyt at Wisa.be]

On Mon, 17 Nov 2003, Marco van de Voort wrote:

> > 
> > The LCL is based on the FCL and the RTL of FPC.
> > At the moment, it is possible with less than a hundred IFDEFs to support the
> > Delphi units, but this will become a mess, as soon, as the LCL supports
> > threads, widestrings, better localization, dynamic libs and more platforms.
> > So, in fact, the LCL is bound to the units provided by FPC.
> > 
> > According to the mails, the main reason to support the Delphi compiler, is
> > to use the LCL with existing Delphi code, which can't be compiled with fpc.
> > My question: What features are not supported by FPC 1.9, are portable and
> > can be used with the LCL?
> 
> A lot of subsystems (like packages , variants and widestrings) aren't 100%
> complete in FPC.
> 
> For the rest FPC is complete except the non-portable dispatch interface.
> 
> Only other major thing I can think of is that Delphi can link to C++, and FPC needs the
> C++ to be C level wrapped first.

As far as I know, Delphi can only link to C++ Builder, not to e.g. MS-Visual
C or GCC C++, but I am not 100% sure.

Michael.