I'm forced to use cygwin for work so I have no choice.
I solved the problem.
Anyway I thank you for your advice.
bye


Tor Lillqvist wrote:
> 
>> Hello, i installed cygwin, gtk+(available with cygwin) and eclipse on
>> Windows xp.
>>  "Gtk-WARNING **: cannot open display:"
> 
> Are you aware that the GTK+ for Cygwin is built with the X11 backend,
> i.e. software that uses it requires an X server (also know as
> "display")? (Either running on the same machine, or remotely.) (Also
> note that Cygwin is really a separate Unix-style operating system that
> just happens to run on top of Windows.)
> 
> Is that really what you want? If not, forget GTK+ on Cygwin and just
> use GTK+ on Windows instead. Be very careful not to confuse and mix
> Cygwin libraries and Windows libraries when building something.
> 
> Is the Eclipse you are using also a Cygwin one?
> 
> If your intention is not to build software that runs on Cygwin and
> requires an X display, I would suggest you avoid Cygwin completely.
> 
> Instead just install the MinGW compiler, and use that from Eclipse.
> For GTK+ on Windows, the simplest is to download the "bundle" from
> http://www.gtk.org/download-windows.html and then run pkg-config to
> get the appropriate compiler flags to pass the compiler from Eclipse.
> I can't help you more with that, I don't use Eclipse.
> 
> In fact, I would suggest that you first learn how to build GTK+
> software directly from the command line without letting Eclipse hide
> what is really happening... but this is just my personal opinion. As a
> command-line environment I then suggest using MSYS and its bash shell.
> 
> MinGW and MSYS are available from www.mingw.org.
> 
> --tml
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list@gnome.org
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
> 
> 

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