빌드시 필요 패키지 버전에 대해 어떻게 관리하시나요?

static void nimf_preedit_window_show (NimfPreeditable *preeditable)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);
 
  NimfPreeditWindow *preedit_window = NIMF_PREEDIT_WINDOW (preeditable);
 
  GtkRequisition  natural_size;
  int             x, y, w, h;
  int             screen_width, screen_height;
 
  #if GTK_CHECK_VERSION (3, 22, 0)
    GdkRectangle  geometry;
    GdkDisplay   *display = gtk_widget_get_display (preedit_window->window);
    GdkWindow    *window  = gtk_widget_get_window  (preedit_window->window);
    GdkMonitor   *monitor = gdk_display_get_monitor_at_window (display, window);
    gdk_monitor_get_geometry (monitor, &geometry);
    screen_width  = geometry.width;
    screen_height = geometry.height;
  #else
    screen_width  = gdk_screen_width ();
    screen_height = gdk_screen_height ();
  #endif
 
  gtk_widget_show_all (preedit_window->window);
  gtk_widget_get_preferred_size (preedit_window->window, NULL, &natural_size);
  gtk_window_resize (GTK_WINDOW (preedit_window->window),
                     natural_size.width, natural_size.height);
  gtk_window_get_size (GTK_WINDOW (preedit_window->window), &w, &h);
 
  x = preedit_window->cursor_area.x - preedit_window->cursor_area.width;
  y = preedit_window->cursor_area.y + preedit_window->cursor_area.height;
 
  if (x + w > screen_width)
    x = screen_width - w;
 
  if (y + h > screen_height)
    y = preedit_window->cursor_area.y - h;
 
  gtk_window_move (GTK_WINDOW (preedit_window->window), x, y);
}