Please describe the problem:
When compiling, the following warnings appear:
MKDIR     preping temporary files and build directories
MKDIR     mock target directories
JIKES     src/java/*.java
JAR       share/java/gtk2.8.jar
GCC       src/jni/org_gnu_gdk_EventDND.c
GCC       src/jni/org_gnu_gdk_EventAny.c
GCC       src/jni/org_gnu_gdk_Pixmap.c
src/jni/org_gnu_gdk_Pixmap.c: In function
`Java_org_gnu_gdk_Pixmap_gdk_1pixmap_1new':
src/jni/org_gnu_gdk_Pixmap.c:41: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixmap.c: In function
`Java_org_gnu_gdk_Pixmap_gdk_1pixmap_1create_1from_1data':
src/jni/org_gnu_gdk_Pixmap.c:65: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixmap.c: In function
`Java_org_gnu_gdk_Pixmap_gdk_1pixmap_1create_1from_1xpm':
src/jni/org_gnu_gdk_Pixmap.c:84: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_gtk_MenuItem.c
GCC       src/jni/org_gnu_gtk_TreeSelection.c
GCC       src/jni/org_gnu_gtk_RadioActionEntry.c
GCC       src/jni/org_gnu_gdk_EventKey.c
GCC       src/jni/org_gnu_gtk_ToggleActionEntry.c
GCC       src/jni/org_gnu_gtk_CellRendererProgress.c
GCC       src/jni/org_gnu_gtk_Viewport.c
GCC       src/jni/org_gnu_gtk_Menu.c
GCC       src/jni/org_gnu_gtk_RadioAction.c
GCC       src/jni/org_gnu_gtk_Misc.c
GCC       src/jni/org_gnu_gdk_EventScroll.c
src/jni/org_gnu_gdk_EventScroll.c: In function
`Java_org_gnu_gdk_EventScroll_getDevice':
src/jni/org_gnu_gdk_EventScroll.c:101: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_Layout.c
GCC       src/jni/org_gnu_gtk_VButtonBox.c
GCC       src/jni/org_gnu_glib_CustomEvents.c
src/jni/org_gnu_glib_CustomEvents.c: In function
`Java_org_gnu_glib_CustomEvents_init':
src/jni/org_gnu_glib_CustomEvents.c:58: warning: passing arg 1 of `g_source_new'
discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c:60: warning: passing arg 1 of
`g_source_set_can_recurse' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c:61: warning: passing arg 1 of
`g_source_set_callback' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c:62: warning: passing arg 1 of
`g_source_attach' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c:62: warning: passing arg 2 of
`g_source_attach' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c:63: warning: passing arg 1 of
`g_source_set_priority' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c: In function
`Java_org_gnu_glib_CustomEvents_setEventsPending':
src/jni/org_gnu_glib_CustomEvents.c:72: warning: passing arg 1 of
`g_main_context_wakeup' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c: In function
`Java_org_gnu_glib_CustomEvents_cleanup':
src/jni/org_gnu_glib_CustomEvents.c:81: warning: passing arg 1 of
`g_source_destroy' discards qualifiers from pointer target type
src/jni/org_gnu_glib_CustomEvents.c:82: warning: passing arg 1 of `g_free'
discards qualifiers from pointer target type
GCC       src/jni/org_gnu_gdk_Window.c
GCC       src/jni/org_gnu_gtk_Curve.c
GCC       src/jni/org_gnu_gtk_Accessible.c
GCC       src/jni/org_gnu_pango_AttrIterator.c
GCC       src/jni/org_gnu_gtk_IMContext.c
GCC       src/jni/org_gnu_gdk_EventCrossing.c
GCC       src/jni/org_gnu_gtk_ItemFactory.c
GCC       src/jni/org_gnu_gtk_CellRenderer.c
GCC       src/jni/org_gnu_gtk_Label.c
GCC       src/jni/org_gnu_gdk_Gdk.c
src/jni/org_gnu_gdk_Gdk.c: In function
`Java_org_gnu_gdk_Gdk_gdk_1pango_1context_1get':
src/jni/org_gnu_gdk_Gdk.c:290: warning: return makes pointer from integer
without a cast
GCC       src/jni/org_gnu_pango_Color.c
GCC       src/jni/org_gnu_gtk_TreeModelFilter.c
GCC       src/jni/org_gnu_gtk_Plug.c
GCC       src/jni/org_gnu_gtk_OptionMenu.c
GCC       src/jni/org_gnu_gtk_TreeStore.c
GCC       src/jni/org_gnu_glib_Value.c
GCC       src/jni/org_gnu_gtk_Dialog.c
GCC       src/jni/org_gnu_gtk_ToolTipsData.c
GCC       src/jni/org_gnu_glib_MemStruct.c
GCC       src/jni/org_gnu_gtk_VBox.c
GCC       src/jni/org_gnu_pango_FontDescription.c
GCC       src/jni/org_gnu_gdk_EventMotion.c
GCC       src/jni/org_gnu_gtk_Scale.c
GCC       src/jni/org_gnu_gtk_ListStore.c
GCC       src/jni/org_gnu_gdk_Device.c
src/jni/org_gnu_gdk_Device.c: In function
`Java_org_gnu_gdk_Device_gdk_1device_1get_1core_1pointer':
src/jni/org_gnu_gdk_Device.c:168: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_gtk_TreeModel.c
GCC       src/jni/org_gnu_gdk_PixbufFormat.c
GCC       src/jni/org_gnu_gtk_Preview.c
GCC       src/jni/org_gnu_pango_Font.c
GCC       src/jni/org_gnu_pango_Attribute.c
GCC       src/jni/org_gnu_pango_Rectangle.c
GCC       src/jni/org_gnu_gtk_HScrollBar.c
GCC       src/jni/org_gnu_gtk_Rc.c
GCC       src/jni/org_gnu_atk_RelationType.c
GCC       src/jni/org_gnu_gtk_CellView.c
GCC       src/jni/org_gnu_gtk_Clipboard.c
GCC       src/jni/org_gnu_pango_AttrFloat.c
GCC       src/jni/org_gnu_atk_StateSet.c
src/jni/org_gnu_atk_StateSet.c: In function
`Java_org_gnu_atk_StateSet_atk_1state_1set_1new':
src/jni/org_gnu_atk_StateSet.c:37: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_StateSet.c: In function
`Java_org_gnu_atk_StateSet_atk_1state_1set_1and_1sets':
src/jni/org_gnu_atk_StateSet.c:133: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_StateSet.c: In function
`Java_org_gnu_atk_StateSet_atk_1state_1set_1or_1sets':
src/jni/org_gnu_atk_StateSet.c:145: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_StateSet.c: In function
`Java_org_gnu_atk_StateSet_atk_1state_1set_1xor_1sets':
src/jni/org_gnu_atk_StateSet.c:157: warning: return makes pointer from integer
without a cast
GCC       src/jni/org_gnu_gtk_Calendar.c
GCC       src/jni/org_gnu_gtk_VScrollBar.c
GCC       src/jni/org_gnu_glib_GListString.c
GCC       src/jni/org_gnu_atk_RelationSet.c
src/jni/org_gnu_atk_RelationSet.c: In function
`Java_org_gnu_atk_RelationSet_atk_1relation_1set_1new':
src/jni/org_gnu_atk_RelationSet.c:36: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_RelationSet.c: In function
`Java_org_gnu_atk_RelationSet_atk_1relation_1set_1get_1relation':
src/jni/org_gnu_atk_RelationSet.c:96: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_RelationSet.c: In function
`Java_org_gnu_atk_RelationSet_atk_1relation_1set_1get_1relation_1by_1type':
src/jni/org_gnu_atk_RelationSet.c:108: warning: return makes pointer from
integer without a cast
GCC       src/jni/org_gnu_gdk_Drawable.c
GCC       src/jni/org_gnu_gtk_SeparatorToolItem.c
GCC       src/jni/org_gnu_gtk_Ruler.c
GCC       src/jni/org_gnu_glib_GObject.c
GCC       src/jni/org_gnu_gtk_IMContextSimple.c
GCC       src/jni/org_gnu_gtk_ToggleAction.c
GCC       src/jni/org_gnu_gdk_RgbCmap.c
GCC       src/jni/org_gnu_gtk_Table.c
GCC       src/jni/org_gnu_gtk_Entry.c
GCC       src/jni/org_gnu_glib_List.c
GCC       src/jni/org_gnu_gtk_GtkObject.c
GCC       src/jni/org_gnu_pango_Coverage.c
GCC       src/jni/org_gnu_gtk_TextTag.c
GCC       src/jni/org_gnu_gtk_RadioButton.c
GCC       src/jni/org_gnu_gdk_Event.c
src/jni/org_gnu_gdk_Event.c: In function `Java_org_gnu_gdk_Event_gdk_1event_1get':
src/jni/org_gnu_gdk_Event.c:36: warning: passing arg 5 of `getGBoxedHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_Event.c: In function `Java_org_gnu_gdk_Event_gdk_1event_1peek':
src/jni/org_gnu_gdk_Event.c:46: warning: passing arg 5 of `getGBoxedHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_Event.c: In function
`Java_org_gnu_gdk_Event_gdk_1event_1get_1graphics_1expose':
src/jni/org_gnu_gdk_Event.c:58: warning: passing arg 4 of `getGBoxedHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_Event.c:58: warning: passing arg 5 of `getGBoxedHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_Event.c: In function `Java_org_gnu_gdk_Event_gdk_1event_1new':
src/jni/org_gnu_gdk_Event.c:81: warning: passing arg 5 of `getGBoxedHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_Event.c: In function `Java_org_gnu_gdk_Event_gdk_1event_1copy':
src/jni/org_gnu_gdk_Event.c:94: warning: passing arg 5 of `getGBoxedHandle' from
incompatible pointer type
GCC       src/jni/org_gnu_gtk_Separator.c
GCC       src/jni/org_gnu_gtk_ComboBox.c
GCC       src/jni/org_gnu_pango_Layout.c
src/jni/org_gnu_pango_Layout.c: In function
`Java_org_gnu_pango_Layout_pango_1layout_1copy':
src/jni/org_gnu_pango_Layout.c:50: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_pango_Layout.c: In function
`Java_org_gnu_pango_Layout_pango_1layout_1get_1context':
src/jni/org_gnu_pango_Layout.c:61: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_pango_Layout.c: In function
`Java_org_gnu_pango_Layout_pango_1layout_1get_1attributes':
src/jni/org_gnu_pango_Layout.c:87: warning: passing arg 4 of `getGBoxedHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_gtk_FileSelection.c
GCC       src/jni/org_gnu_gtk_SizeGroup.c
GCC       src/jni/org_gnu_gtk_ProgressBar.c
GCC       src/jni/org_gnu_gtk_HScale.c
GCC       src/jni/org_gnu_gdk_GdkCairo.c
src/jni/org_gnu_gdk_GdkCairo.c: In function
`Java_org_gnu_gdk_GdkCairo_gdk_1cairo_1create':
src/jni/org_gnu_gdk_GdkCairo.c:33: warning: passing arg 4 of `getStructHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_gtk_VPaned.c
GCC       src/jni/org_gnu_gtk_IconFactory.c
GCC       src/jni/org_gnu_gtk_EntryCompletion.c
GCC       src/jni/org_gnu_pango_FontMetrics.c
GCC       src/jni/org_gnu_gtk_ButtonBox.c
GCC       src/jni/org_gnu_gtk_IconSet.c
src/jni/org_gnu_gtk_IconSet.c: In function
`Java_org_gnu_gtk_IconSet_gtk_1icon_1set_1ref':

src/jni/org_gnu_gtk_IconSet.c:50: warning: `return' with a value, in function
returning void
GCC       src/jni/org_gnu_gtk_Fixed.c
GCC       src/jni/org_gnu_atk_Relation.c
src/jni/org_gnu_atk_Relation.c: In function
`Java_org_gnu_atk_Relation_atk_1relation_1new':
src/jni/org_gnu_atk_Relation.c:73: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_Relation.c: In function
`Java_org_gnu_atk_Relation_atk_1relation_1get_1target':
src/jni/org_gnu_atk_Relation.c:96: warning: return makes pointer from integer
without a cast
GCC       src/jni/org_gnu_gtk_RadioMenuItem.c
GCC       src/jni/org_gnu_gtk_ToggleToolButton.c
GCC       src/jni/org_gnu_gtk_IconTheme.c
GCC       src/jni/org_gnu_gtk_IconSource.c
GCC       src/jni/org_gnu_pango_TabArray.c
GCC       src/jni/org_gnu_gdk_Keymap.c
src/jni/org_gnu_gdk_Keymap.c: In function
`Java_org_gnu_gdk_Keymap_gdk_1keymap_1get_1default':
src/jni/org_gnu_gdk_Keymap.c:35: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_gtk_MenuShell.c
GCC       src/jni/org_gnu_gtk_ToolButton.c
GCC       src/jni/org_gnu_gtk_Style.c
GCC       src/jni/org_gnu_glib_Type.c
GCC       src/jni/org_gnu_glib_Boxed.c
GCC       src/jni/org_gnu_gtk_FontSelection.c
GCC       src/jni/org_gnu_gdk_Region.c
src/jni/org_gnu_gdk_Region.c: In function `getRectangleHandle':
src/jni/org_gnu_gdk_Region.c:70: warning: passing arg 3 of `getGBoxedHandle'
makes integer from pointer without a cast
GCC       src/jni/org_gnu_gtk_Progress.c
GCC       src/jni/org_gnu_gtk_AccelKey.c
GCC       src/jni/org_gnu_gtk_AccelMap.c
GCC       src/jni/org_gnu_gtk_HRuler.c
GCC       src/jni/org_gnu_gtk_CheckButton.c
GCC       src/jni/org_gnu_gdk_EventOwnerChange.c
GCC       src/jni/org_gnu_gdk_EventNoExpose.c
GCC       src/jni/org_gnu_gtk_FileChooserWidget.c
GCC       src/jni/org_gnu_gtk_ActionEntry.c
GCC       src/jni/org_gnu_gtk_Frame.c
GCC       src/jni/org_gnu_gtk_ColorButton.c
GCC       src/jni/org_gnu_gtk_ScrolledWindow.c
GCC       src/jni/org_gnu_gtk_SeparatorMenuItem.c
GCC       src/jni/org_gnu_gdk_Geometry.c
GCC       src/jni/org_gnu_gdk_EventButton.c
GCC       src/jni/org_gnu_gtk_IconInfo.c
GCC       src/jni/org_gnu_gtk_FontSelectionDialog.c
GCC       src/jni/org_gnu_gdk_Display.c
src/jni/org_gnu_gdk_Display.c: In function
`Java_org_gnu_gdk_Display_gdk_1display_1get_1event':
src/jni/org_gnu_gdk_Display.c:228: warning: passing arg 5 of `getGBoxedHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Display.c: In function
`Java_org_gnu_gdk_Display_gdk_1display_1peek_1event':
src/jni/org_gnu_gdk_Display.c:244: warning: passing arg 5 of `getGBoxedHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Display.c: In function
`Java_org_gnu_gdk_Display_gdk_1display_1get_1window_1at_1pointer':
src/jni/org_gnu_gdk_Display.c:328: warning: assignment from incompatible pointer
type
GCC       src/jni/org_gnu_gtk_IMMulticontext.c
GCC       src/jni/org_gnu_gtk_CellEditable.c
GCC       src/jni/org_gnu_gtk_WidgetAuxInfo.c
GCC       src/jni/org_gnu_gtk_ToggleButton.c
GCC       src/jni/org_gnu_gtk_ScrollBar.c
GCC       src/jni/org_gnu_gdk_PixbufLoader.c
src/jni/org_gnu_gdk_PixbufLoader.c: In function
`Java_org_gnu_gdk_PixbufLoader_gdk_1pixbuf_1loader_1new':
src/jni/org_gnu_gdk_PixbufLoader.c:36: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_PixbufLoader.c: In function
`Java_org_gnu_gdk_PixbufLoader_gdk_1pixbuf_1loader_1new_1with_1type':
src/jni/org_gnu_gdk_PixbufLoader.c:50: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_PixbufLoader.c: In function
`Java_org_gnu_gdk_PixbufLoader_gdk_1pixbuf_1loader_1get_1pixbuf':
src/jni/org_gnu_gdk_PixbufLoader.c:80: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_PixbufLoader.c: In function
`Java_org_gnu_gdk_PixbufLoader_gdk_1pixbuf_1loader_1get_1animation':
src/jni/org_gnu_gdk_PixbufLoader.c:91: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gdk_Bitmap.c
GCC       src/jni/org_gnu_gtk_AccelGroup.c
GCC       src/jni/org_gnu_gtk_SpinButton.c
GCC       src/jni/org_gnu_gtk_CellLayoutHelper.c
GCC       src/jni/org_gnu_gtk_InputDialog.c
GCC       src/jni/org_gnu_atk_Registry.c
src/jni/org_gnu_atk_Registry.c: In function
`Java_org_gnu_atk_Registry_atk_1registry_1get_1factory':
src/jni/org_gnu_atk_Registry.c:60: warning: return makes pointer from integer
without a cast
src/jni/org_gnu_atk_Registry.c: In function
`Java_org_gnu_atk_Registry_atk_1get_1default_1registry':
src/jni/org_gnu_atk_Registry.c:70: warning: return makes pointer from integer
without a cast
GCC       src/jni/org_gnu_gdk_Rectangle.c
GCC       src/jni/org_gnu_gtk_ComboBoxEntry.c
GCC       src/jni/org_gnu_gtk_StatusBar.c
GCC       src/jni/org_gnu_gdk_Visual.c
GCC       src/jni/org_gnu_gtk_Settings.c
GCC       src/jni/org_gnu_gtk_MessageDialog.c
GCC       src/jni/org_gnu_pango_AttrInt.c
GCC       src/jni/org_gnu_atk_ObjectFactory.c
src/jni/org_gnu_atk_ObjectFactory.c: In function
`Java_org_gnu_atk_ObjectFactory_atk_1object_1factory_1create_1accessible':
src/jni/org_gnu_atk_ObjectFactory.c:39: warning: return makes pointer from
integer without a cast
GCC       src/jni/org_gnu_gtk_TreeModelSort.c
GCC       src/jni/org_gnu_gtk_AboutDialog.c
GCC       src/jni/gtk_java.c
GCC       src/jni/org_gnu_gdk_PixbufAnimation.c
src/jni/org_gnu_gdk_PixbufAnimation.c: In function
`Java_org_gnu_gdk_PixbufAnimation_gdk_1pixbuf_1animation_1new_1from_1file':
src/jni/org_gnu_gdk_PixbufAnimation.c:41: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_PixbufAnimation.c: In function
`Java_org_gnu_gdk_PixbufAnimation_gdk_1pixbuf_1animation_1get_1iter':
src/jni/org_gnu_gdk_PixbufAnimation.c:81: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_PixbufAnimation.c: In function
`Java_org_gnu_gdk_PixbufAnimation_gdk_1pixbuf_1animation_1get_1static_1image':
src/jni/org_gnu_gdk_PixbufAnimation.c:105: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gdk_EventClient.c
GCC       src/jni/org_gnu_gtk_IconSize.c
GCC       src/jni/org_gnu_gtk_Widget.c
GCC       src/jni/org_gnu_gtk_RcStyle.c
GCC       src/jni/org_gnu_gtk_TreeIter.c
GCC       src/jni/org_gnu_gtk_IconView.c
src/jni/org_gnu_gtk_IconView.c: In function
`Java_org_gnu_gtk_IconView_gtk_1icon_1view_1get_1item_1at_1pos':
src/jni/org_gnu_gtk_IconView.c:426: warning: passing arg 4 of
`gtk_icon_view_get_item_at_pos' from incompatible pointer type
src/jni/org_gnu_gtk_IconView.c:426: warning: passing arg 5 of
`gtk_icon_view_get_item_at_pos' from incompatible pointer type
src/jni/org_gnu_gtk_IconView.c: In function
`Java_org_gnu_gtk_IconView_gtk_1icon_1view_1get_1cursor':
src/jni/org_gnu_gtk_IconView.c:466: warning: passing arg 2 of
`gtk_icon_view_get_cursor' from incompatible pointer type
src/jni/org_gnu_gtk_IconView.c:466: warning: passing arg 3 of
`gtk_icon_view_get_cursor' from incompatible pointer type
GCC       src/jni/org_gnu_gdk_EventExpose.c
GCC       src/jni/org_gnu_gtk_Notebook.c
GCC       src/jni/org_gnu_gtk_Requisition.c
GCC       src/jni/org_gnu_gdk_EventSelection.c
src/jni/org_gnu_gdk_EventSelection.c: In function
`Java_org_gnu_gdk_EventSelection_getWindow':
src/jni/org_gnu_gdk_EventSelection.c:28: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_EventSelection.c: In function
`Java_org_gnu_gdk_EventSelection_getRequestor':
src/jni/org_gnu_gdk_EventSelection.c:84: warning: passing arg 2 of
`getHandleFromPointer' makes pointer from integer without a cast
GCC       src/jni/org_gnu_glib_Quark.c
GCC       src/jni/org_gnu_gtk_GammaCurve.c
GCC       src/jni/org_gnu_pango_AttrFontDesc.c
src/jni/org_gnu_pango_AttrFontDesc.c: In function
`Java_org_gnu_pango_AttrFontDesc_getDesc':
src/jni/org_gnu_pango_AttrFontDesc.c:33: warning: passing arg 4 of
`getGBoxedHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gdk_EventProximity.c
src/jni/org_gnu_gdk_EventProximity.c: In function
`Java_org_gnu_gdk_EventProximity_getDevice':
src/jni/org_gnu_gdk_EventProximity.c:61: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_TearoffMenuItem.c
GCC       src/jni/org_gnu_gtk_Paned.c
GCC       src/jni/org_gnu_gtk_TreePath.c
GCC       src/jni/org_gnu_gdk_Property.c
GCC       src/jni/org_gnu_gtk_TextTagTable.c
GCC       src/jni/org_gnu_gtk_Action.c
GCC       src/jni/org_gnu_gtk_ImageMenuItem.c
GCC       src/jni/org_gnu_gtk_CellRendererCombo.c
src/jni/org_gnu_gtk_CellRendererCombo.c: In function
`Java_org_gnu_gtk_CellRendererCombo_getModel':
src/jni/org_gnu_gtk_CellRendererCombo.c:29: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_Invisible.c
GCC       src/jni/org_gnu_gtk_ColorSelection.c
src/jni/org_gnu_gtk_ColorSelection.c: In function
`Java_org_gnu_gtk_ColorSelection_gtk_1color_1selection_1get_1previous_1color':
src/jni/org_gnu_gtk_ColorSelection.c:179: warning: `return' with a value, in
function returning void
GCC       src/jni/org_gnu_gdk_Atom.c
GCC       src/jni/org_gnu_gtk_CellRendererPixbuf.c
GCC       src/jni/org_gnu_gtk_Window.c
src/jni/org_gnu_gtk_Window.c: In function
`Java_org_gnu_gtk_Window_gtk_1window_1get_1icon_1list':
src/jni/org_gnu_gtk_Window.c:435: warning: passing arg 2 of
`getGObjectHandlesFromGList' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_Arrow.c
GCC       src/jni/org_gnu_gtk_FileFilter.c
GCC       src/jni/org_gnu_gtk_Bin.c
GCC       src/jni/org_gnu_gtk_MenuBar.c
GCC       src/jni/org_gnu_gtk_Box.c
GCC       src/jni/org_gnu_gtk_Gtk.c
GCC       src/jni/org_gnu_gdk_Image.c
src/jni/org_gnu_gdk_Image.c: In function `Java_org_gnu_gdk_Image_getVisual':
src/jni/org_gnu_gdk_Image.c:26: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Image.c: In function `Java_org_gnu_gdk_Image_gdk_1image_1new':
src/jni/org_gnu_gdk_Image.c:154: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Image.c: In function
`Java_org_gnu_gdk_Image_gdk_1image_1get_1colormap':
src/jni/org_gnu_gdk_Image.c:204: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_pango_LayoutLine.c
GCC       src/jni/org_gnu_gtk_FontButton.c
GCC       src/jni/org_gnu_gdk_EventWindowState.c
GCC       src/jni/org_gnu_gtk_TextAppearance.c
GCC       src/jni/org_gnu_pango_FontFace.c
src/jni/org_gnu_pango_FontFace.c: In function
`Java_org_gnu_pango_FontFace_pango_1font_1face_1describe':
src/jni/org_gnu_pango_FontFace.c:40: warning: passing arg 5 of `getGBoxedHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_gtk_CellRendererToggle.c
GCC       src/jni/org_gnu_gtk_TextBuffer.c
GCC       src/jni/org_gnu_gtk_TextIter.c
GCC       src/jni/org_gnu_gtk_VScale.c
GCC       src/jni/org_gnu_gtk_FileChooserButton.c
GCC       src/jni/org_gnu_gtk_ActionGroup.c
GCC       src/jni/org_gnu_gtk_Expander.c
GCC       src/jni/org_gnu_gtk_WindowGroup.c
GCC       src/jni/org_gnu_gdk_EventProperty.c
GCC       src/jni/org_gnu_gtk_TreeView.c
GCC       src/jni/org_gnu_gtk_MenuToolButton.c
GCC       src/jni/org_gnu_pango_Context.c
src/jni/org_gnu_pango_Context.c: In function
`Java_org_gnu_pango_Context_pango_1context_1load_1font':
src/jni/org_gnu_pango_Context.c:69: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_pango_AttrColor.c
GCC       src/jni/org_gnu_gtk_AspectFrame.c
GCC       src/jni/org_gnu_gdk_Colormap.c
src/jni/org_gnu_gdk_Colormap.c: In function `getColorHandle':
src/jni/org_gnu_gdk_Colormap.c:169: warning: passing arg 3 of `getGBoxedHandle'
makes integer from pointer without a cast
GCC       src/jni/org_gnu_gtk_ItemFactoryEntry.c
GCC       src/jni/org_gnu_gtk_TextMark.c
GCC       src/jni/org_gnu_gtk_Image.c
GCC       src/jni/org_gnu_gtk_ToolItem.c
GCC       src/jni/org_gnu_gtk_ToolBar.c
GCC       src/jni/org_gnu_gdk_Point.c
GCC       src/jni/org_gnu_gdk_EventFocus.c
GCC       src/jni/org_gnu_gdk_KeymapKey.c
GCC       src/jni/org_gnu_pango_FontFamily.c
src/jni/org_gnu_pango_FontFamily.c: In function
`Java_org_gnu_pango_FontFamily_pango_1font_1family_1list_1faces':
src/jni/org_gnu_pango_FontFamily.c:41: warning: return makes pointer from
integer without a cast
GCC       src/jni/org_gnu_gtk_TextChildAnchor.c
GCC       src/jni/org_gnu_gdk_Cursor.c
GCC       src/jni/org_gnu_gtk_CellRendererText.c
GCC       src/jni/org_gnu_gtk_EditableHelpers.c
GCC       src/jni/org_gnu_gdk_GC.c
src/jni/org_gnu_gdk_GC.c: In function `Java_org_gnu_gdk_GC_gdk_1gc_1new':
src/jni/org_gnu_gdk_GC.c:95: warning: passing arg 2 of `getGObjectHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_GC.c: In function `Java_org_gnu_gdk_GC_gdk_1gc_1get_1screen':
src/jni/org_gnu_gdk_GC.c:106: warning: passing arg 2 of `getGObjectHandle' from
incompatible pointer type
src/jni/org_gnu_gdk_GC.c: In function `Java_org_gnu_gdk_GC_gdk_1gc_1get_1colormap':
src/jni/org_gnu_gdk_GC.c:342: warning: passing arg 2 of `getGObjectHandle' from
incompatible pointer type
GCC       src/jni/org_gnu_glib_MainLoop.c
GCC       src/jni/org_gnu_gdk_Screen.c
GCC       src/jni/org_gnu_gdk_PangoAttrEmbossed.c
src/jni/org_gnu_gdk_PangoAttrEmbossed.c: In function
`Java_org_gnu_gdk_PangoAttrEmbossed_gdk_1pango_1attr_1embossed_1new':
src/jni/org_gnu_gdk_PangoAttrEmbossed.c:39: warning: passing arg 4 of
`getStructHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_UIManager.c
GCC       src/jni/org_gnu_gtk_SelectionData.c
GCC       src/jni/org_gnu_gtk_HPaned.c
GCC       src/jni/org_gnu_gtk_TargetEntry.c
GCC       src/jni/org_gnu_glib_Error.c
GCC       src/jni/org_gnu_gtk_VRuler.c
GCC       src/jni/org_gnu_gdk_WindowAttr.c
GCC       src/jni/org_gnu_atk_AtkObject.c
GCC       src/jni/org_gnu_gtk_RadioToolButton.c
GCC       src/jni/org_gnu_gtk_TextAttributes.c
GCC       src/jni/org_gnu_gtk_EventBox.c
GCC       src/jni/org_gnu_gdk_Segment.c
GCC       src/jni/org_gnu_gdk_EventSetting.c
GCC       src/jni/org_gnu_atk_StateType.c
GCC       src/jni/org_gnu_pango_GlyphString.c
GCC       src/jni/org_gnu_gtk_FileChooserHelper.c
GCC       src/jni/org_gnu_gdk_EventConfigure.c
GCC       src/jni/org_gnu_gdk_Color.c
GCC       src/jni/org_gnu_gtk_BindingSet.c
GCC       src/jni/org_gnu_glib_Timer.c
GCC       src/jni/org_gnu_gtk_TextView.c
src/jni/org_gnu_gtk_TextView.c: In function
`Java_org_gnu_gtk_TextView_gtk_1text_1view_1get_1iter_1at_1location':
src/jni/org_gnu_gtk_TextView.c:254: warning: passing arg 4 of `getGBoxedHandle'
from incompatible pointer type
GCC       src/jni/org_gnu_pango_AttrList.c
GCC       src/jni/org_gnu_pango_AttrString.c
GCC       src/jni/org_gnu_gtk_Button.c
GCC       src/jni/org_gnu_pango_AttrLanguage.c
GCC       src/jni/org_gnu_atk_State.c
GCC       src/jni/org_gnu_gtk_HBox.c
GCC       src/jni/org_gnu_atk_Hyperlink.c
src/jni/org_gnu_atk_Hyperlink.c: In function
`Java_org_gnu_atk_Hyperlink_atk_1hyperlink_1get_1object':
src/jni/org_gnu_atk_Hyperlink.c:50: warning: return makes pointer from integer
without a cast
GCC       src/jni/org_gnu_gdk_PixbufAnimationIter.c
src/jni/org_gnu_gdk_PixbufAnimationIter.c: In function
`Java_org_gnu_gdk_PixbufAnimationIter_gdk_1pixbuf_1animation_1iter_1get_1pixbuf':
src/jni/org_gnu_gdk_PixbufAnimationIter.c:65: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_Adjustment.c
GCC       src/jni/org_gnu_gtk_ToolTips.c
GCC       src/jni/org_gnu_gdk_Span.c
GCC       src/jni/org_gnu_gtk_Container.c
GCC       src/jni/org_gnu_gtk_FileChooserDialog.c
GCC       src/jni/org_gnu_gdk_DragContext.c
GCC       src/jni/org_gnu_gtk_Alignment.c
GCC       src/jni/org_gnu_gtk_ColorSelectionDialog.c
GCC       src/jni/org_gnu_gtk_TreeSortableHelper.c
GCC       src/jni/org_gnu_gtk_DrawingArea.c
GCC       src/jni/org_gnu_gtk_HSeparator.c
GCC       src/jni/org_gnu_gtk_Combo.c
GCC       src/jni/org_gnu_gtk_Range.c
GCC       src/jni/org_gnu_gtk_TreeViewColumn.c
GCC       src/jni/org_gnu_gtk_HandleBox.c
GCC       src/jni/org_gnu_gtk_AccelLabel.c
GCC       src/jni/org_gnu_gdk_PangoAttrStipple.c
src/jni/org_gnu_gdk_PangoAttrStipple.c: In function
`Java_org_gnu_gdk_PangoAttrStipple_getStipple':
src/jni/org_gnu_gdk_PangoAttrStipple.c:27: warning: passing arg 2 of
`getGObjectHandle' from incompatible pointer type
src/jni/org_gnu_gdk_PangoAttrStipple.c: In function
`Java_org_gnu_gdk_PangoAttrStipple_gdk_1pango_1attr_1stipple_1new':
src/jni/org_gnu_gdk_PangoAttrStipple.c:39: warning: passing arg 4 of
`getStructHandle' from incompatible pointer type
GCC       src/jni/org_gnu_gtk_Border.c
GCC       src/jni/org_gnu_gtk_CheckMenuItem.c
GCC       src/jni/org_gnu_gtk_VSeparator.c
GCC       src/jni/org_gnu_gtk_Item.c
GCC       src/jni/org_gnu_gdk_Pixbuf.c
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1get_1from_1drawable':
src/jni/org_gnu_gdk_Pixbuf.c:137: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1get_1from_1image':
src/jni/org_gnu_gdk_Pixbuf.c:151: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new':
src/jni/org_gnu_gdk_Pixbuf.c:260: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1copy':
src/jni/org_gnu_gdk_Pixbuf.c:270: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new_1subpixbuf':
src/jni/org_gnu_gdk_Pixbuf.c:286: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new_1from_1file':
src/jni/org_gnu_gdk_Pixbuf.c:298: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new_1from_1file_1at_1size':
src/jni/org_gnu_gdk_Pixbuf.c:314: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new_1from_1file_1at_1scale':
src/jni/org_gnu_gdk_Pixbuf.c:330: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new_1from_1xpm_1data':
src/jni/org_gnu_gdk_Pixbuf.c:367: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1new_1from_1inline':
src/jni/org_gnu_gdk_Pixbuf.c:385: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1rotate_1simple':
src/jni/org_gnu_gdk_Pixbuf.c:446: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1flip':
src/jni/org_gnu_gdk_Pixbuf.c:457: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1add_1alpha':
src/jni/org_gnu_gdk_Pixbuf.c:486: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1scale_1simple':
src/jni/org_gnu_gdk_Pixbuf.c:614: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1composite_1color_1simple':
src/jni/org_gnu_gdk_Pixbuf.c:634: warning: passing arg 2 of `getGObjectHandle'
from incompatible pointer type
src/jni/org_gnu_gdk_Pixbuf.c: In function
`Java_org_gnu_gdk_Pixbuf_gdk_1pixbuf_1get_1option':
src/jni/org_gnu_gdk_Pixbuf.c:653: warning: passing arg 5 of pointer to function
discards qualifiers from pointer target type
GCC       src/jni/org_gnu_pango_AttrShape.c
GCC       src/jni/org_gnu_gdk_EventVisibility.c
GCC       src/jni/org_gnu_pango_Language.c
GCC       src/jni/org_gnu_gtk_HButtonBox.c
LINK      lib/libgtkjni-2.8.so

Steps to reproduce:
1. 
2. 
3. 


Actual results:


Expected results:


Does this happen every time?


Other information: