[fpc-pascal] libQT4Pas - Why it is needed?

[Sven Barth]

Am 30.01.2012 09:22 schrieb <michael.vancanneyt at wisa.be>:
>
>
>
> On Sun, 29 Jan 2012, Krzysztof wrote:
>
>> Just as I thought - it is object class thing. So if "FPC does not
>> (fully) support directly calling external C++ libraries" there are
>> plans to support it? This will be great
>
>
> There are no plans to support it, since every C++ compiler uses it's own
> (incompatible) format, and G++ changes it format regularly, so I was
given to understand.

I wouldn't say that there is no plan for C++ support as some code for this
already exists in the compiler.
While it's true that different C++ compilers are incompatible to each other
and that also G++ likes to change its formats now and then, the basic
memory layout in G++ is rather stable. The biggest problems is getting this
supported at all, interfacing with the C++ Std library and things like
virtual methods, etc.

Regards,
Sven
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