Re: learning gtk.. using sams examples :)

[Maciej Hrebien <m_hrebien wp pl>]

mdew wrote:
> $ gcc itemfac.c -Wall -o base `gtk-config --libs --cflags`
> /tmp/ccB5KkZJ.o: In function `main':
> /tmp/ccB5KkZJ.o(.text+0x338): undefined reference to `dialog_delete_handler'
> /tmp/ccB5KkZJ.o(.text+0x386): undefined reference to `delete_event_handler'
> /tmp/ccB5KkZJ.o(.text+0x3d4): undefined reference to `print_and_quit'
> /tmp/ccB5KkZJ.o(.text+0x50a): undefined reference to `line_plot'
> /tmp/ccB5KkZJ.o(.rodata+0x98): undefined reference to `print_and_quit'
> collect2: ld returned 1 exit status

The linker can't see definitions of those functions in Your code.

> /* Callbacks */
> void line_plot( GtkMenuItem *was_clicked, GtkWidget *where_to_draw );
> void print_and_quit( GtkButton *was_clicked, gpointer user_data );
> gboolean delete_event_handler( GtkWidget *widget, GdkEvent *event,
>                                gpointer user_data );
> gboolean dialog_delete_handler( GtkWidget *widget, GdkEvent *event,
>                                gpointer user_data );

Me too. You propably forgot to write functions body! :)

-- 
Maciej Hrebien