../../Source/WebCore/platform/efl/EflScreenUtilities.cpp:134:39: warning: cast from 'unsigned char *' to 'int *' increases required alignment from 1 to 4 [-Wc ast-align] return ecore_x_cursor_new(window, (int*)(buffer), cursorSize.width(), cursorSize.height(), hotSpot.x(), hotSpot.y()); ^~~~~~~~~~~~~~ 1 warning generated. ---- The buffer is the return value of cairo_image_surface_get_data() which is guaranteed to be 4 byte aligned, it's safe to cast to int* .