Re: glademm 2.5: Why does non-NLS version undefine gettext() etc?

[Toralf Lund <toralf procaptura com>]

Murray Cumming wrote:

> There is a glademm mailing list. This is not it. However, libglademm
> would be on topic here.
>  
Is there, now? I haven't worked much with gtkmm/glademm lately (I've 
been doing lots of embedded development, among other things...), and 
last time I did, this was the only place to ask...

Sorry.

Urgh. There are too many mailing lists in this world...

> On Thu, 2004-11-25 at 16:16 +0100, Toralf Lund wrote:
>  
>
> > From a glademm-2.5 generated source code file:
> >
> > #ifdef ENABLE_NLS
> > #  include <libintl.h>
> > #  undef _
> > #  define _(String) dgettext (GETTEXT_PACKAGE, String)
> > #  ifdef gettext_noop
> > #    define N_(String) gettext_noop (String)
> > #  else
> > #    define N_(String) (String)
> > #  endif
> > #else
> > #  define textdomain(String) (String)
> > #  define gettext(String) (String)
> > #  define dgettext(Domain,Message) (Message)
> > #  define dcgettext(Domain,Message,Type) (Message)
> > #  define bindtextdomain(Domain,Directory) (Domain)
> > #  define _(String) (String)
> > #  define N_(String) (String)
> > #endif
> >
> > Why does the #else branch do all this? I mean, shouldn't it just define 
> > _() and N_(), and leave gettext() etc. alone? Isn't the point of using 
> > _()/_N() precisely to avoid overriding the "gettext" calls themselves?
> >
> > The above construction leads to a compilation error if you don't define 
> > ENABLE_NLS, but happen to include libintl.h anyway - like this:
> >
> > /usr/include/libintl.h:40: parse error before `__const'
> > /usr/include/libintl.h:44: parse error before `__const'
> > /usr/include/libintl.h:51: parse error before `__const'
> > /usr/include/libintl.h:81: parse error before `__const'
> > /usr/include/libintl.h:85: parse error before `__const'
> >
> > which is due to the fact that the function prototypes will be changed by 
> > macro expansion, so that e.g.
> >
> > extern char *gettext (__const char *__msgid) __THROW;
> >
> > becomes
> >
> > extern char *(__const char *__msgid) throw ();
> >
> >
> >
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> >