// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
+
#include "EffectGeode.hxx"
#include "Effect.hxx"
#include "Technique.hxx"