--- gawk-3.1.8/random.h~
+++ gawk-3.1.8/random.h
@@ -23,6 +23,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
+#include "config.h"
+
 #define initstate gawk_initstate
 #define setstate gawk_setstate
 #define random gawk_random