On 15/04/15 23:14, Colomban Wendling wrote:
> Le 15/04/2015 22:38, Colomban Wendling a écrit :
>>
>> I just noticed this in the debug messages:
>>
>>> GLib-GObject WARNING : specified instance size for type
>>> `SmallScroller' is smaller than the parent type's `GtkScrolledWindow'
>>> instance size
>>> GLib CRITICAL : g_once_init_leave: assertion `initialization_value !=
>>> 0' failed
>>> GLib-GObject CRITICAL : g_object_new: assertion `G_TYPE_IS_OBJECT
>>> (object_type)' failed
>>> Gtk CRITICAL : gtk_container_set_border_width: assertion
>>> `GTK_IS_CONTAINER (container)' failed
>>> Gtk CRITICAL : gtk_scrolled_window_set_policy: assertion
>>> `GTK_IS_SCROLLED_WINDOW (scrolled_window)' failed
>>> Gtk CRITICAL : gtk_container_add: assertion `GTK_IS_WIDGET (widget)'
>>> failed
>>> Gtk CRITICAL : gtk_widget_show: assertion `GTK_IS_WIDGET (widget)'
>>> failed
>>> Gtk CRITICAL : gtk_container_add: assertion `GTK_IS_CONTAINER
>>> (container)' failed
>>
>> […]
>>
>>> typedef struct { GtkScrolledWindow parent; int dummy; } SmallScroller;
>>> typedef struct { GtkScrolledWindowClass parent; int dummy; }
>>> SmallScrollerClass;
>>
>> I still have no clue what the heck is going on though…
>
> Hum, incidentally GtkScrolledWindow contains bitfields, would it be
> possible it is a -mms-bitfields-like problem? We really seem to pass
> -mms-bitfields, but maybe gtkscrolledwindow.c wasn't build with it or
> something like that?Wow, great process, Colomban. Reading your previous mail the -mms-bitfields thingy instantly came also to my mind. I checked the nightly builds as well the builds on my Windows VM, both had -mms-bitfields set, also for PlatGTK.cxx. This opton is set by gtk+-2.0.pc (GTK pkgconfig file), so it's obvious both builds have it set. But maybe it's related to the compiler version. The cross-compiled nightlies are a bit special in terms of cross-compiling and that they use a quite old mingw-gcc 3.4 while the mingw-gcc on my Windows VM is a more recent 4.8. I found http://gcc.gnu.org/gcc-4.7/changes.html where a short note says: Windows mingw targets are using the -mms-bitfields option by default. I would say this is probably not relevant because we compile our code with -mms-bitfields in all cases because GTK pulls it in. But IANAC (I am not a compiler :D). Does anyone here has by accident a Windows system with a mingw-gcc < 4.7? I'll try to further debug this on the weekend if I find time. Regards, Enrico -- Get my GPG key from http://www.uvena.de/pub.asc
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