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
2012/1/29 Michael Van Canneyt <mich...@freepascal.org>: > > > On Sun, 29 Jan 2012, Krzysztof wrote: > >> Hi, >> >> I am wondering. If I build application for linux using gtk2 widgetset >> for GNOME (or XFCE etc.) and send this program to my friend, then he >> can run it without any external librarys (of course if he have gnome >> too), this same thing on windows. But why when I build application on >> KDE interface I need some external libQT4Pas to run it and my friend >> need it too (he have KDE so all QT librarys too)? There is no >> libGTK4Pas so why exists layer libQT4Pas? What is difference between >> GTK and QT librarys? > > > GTK has a procedural C interface, it is exposed in the GTK libraries. The > FPC compiler understands this interface. > > Qt is written in C++, and exposes C++ classes in the Qt libraries. The FPC > compiler does not know how to handle C++ classes. > Therefor, a 'procedural' interface to the C++ needs to be made, and this is > libQT4Pas. It is generated by a GCC. > > Michael. > > _______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-pascal > _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
