Source/autotools/install-sh -c -d ./.deps/DerivedSources
  CXX      Source/WebKit/gtk/WebCoreSupport/libwebkitgtk_1_0_la-ChromeClientGtk.lo
Source/WebKit/gtk/WebCoreSupport/ChromeClientGtk.cpp:107:6: error: invalid preprocessing directive #GdkDisplay
 #    GdkDisplay* display = gdk_display_manager_get_default_display(gdk_display_manager_get());
      ^
Source/WebKit/gtk/WebCoreSupport/ChromeClientGtk.cpp:111:6: error: invalid preprocessing directive #return
 #    return WebCore::WidgetBackingStoreCairo::create(widget, size);
      ^
Source/WebKit/gtk/WebCoreSupport/ChromeClientGtk.cpp:106:0: error: unterminated #if
 #if PLATFORM(X11) && defined(GDK_WINDOWING_X11)
 ^
g++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
GNUmakefile:76953: recipe for target 'Source/WebKit/gtk/WebCoreSupport/libwebkitgtk_1_0_la-ChromeClientGtk.lo' failed
gmake: *** [Source/WebKit/gtk/WebCoreSupport/libwebkitgtk_1_0_la-ChromeClientGtk.lo] Error 1

static PassOwnPtr<WidgetBackingStore> createBackingStore(GtkWidget* widget, const IntSize& size)
{
#if PLATFORM(X11) && defined(GDK_WINDOWING_X11)
    GdkDisplay* display = gdk_display_manager_get_default_display(gdk_display_manager_get());
#   if (GDK_IS_X11_DISPLAY(display))
        return WebCore::WidgetBackingStoreGtkX11::create(widget, size);
#endif
    return WebCore::WidgetBackingStoreCairo::create(widget, size);
}

static PassOwnPtr<WidgetBackingStore> createBackingStore(GtkWidget* widget, const IntSize& size)
{
#if PLATFORM(X11) && defined(GDK_WINDOWING_X11)
    //GdkDisplay* display = gdk_display_manager_get_default_display(gdk_display_manager_get());
#   // if (GDK_IS_X11_DISPLAY(display))
        return WebCore::WidgetBackingStoreGtkX11::create(widget, size);
#endif
//    return WebCore::WidgetBackingStoreCairo::create(widget, size);
}

g++: internal compiler error: Killed (program cc1plus)