Le samedi 08 décembre 2007 à 12:20 +0000, Robert Pearce a écrit :> On Fri, 7 Dec 2007, ole.nielsby@xxxxxxxx wrote :> >They go away if I wrap the include directive in my program:> >> >extern "C"{> >#include <gtk/gtk.h>> >}> >> >But I think this wrap is supposed to be in the headers - the> >other packages (ATK_, GTK_, PANGO_ etc.) work OK, using C linkage.> > Yes, this wrapping is normally done in the headers, but because they are > fundamentally "C" headers and the wrapping is only valid in C++ it has > to be contained in a #ifdef. Though looking at the GTK headers, I think > this in turn is wrapped in magic ("G_BEGIN_DECLS"?)> > Is it possible VC9 is not declaring the necessary symbol?
G_BENGIN_DECLS is defined in gmacros.h:
#ifdef __cplusplus# define G_BEGIN_DECLS extern "C" {# define G_END_DECLS }#else# define G_BEGIN_DECLS# define G_END_DECLS#endif
__cplusplus should be defined automatically for c++ source files.
Regards,Jean
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