diff -up octave-7.1.0/liboctave/numeric/randmtzig.cc.time octave-7.1.0/liboctave/numeric/randmtzig.cc
--- octave-7.1.0/liboctave/numeric/randmtzig.cc.time	2022-04-06 08:05:12.000000000 -0600
+++ octave-7.1.0/liboctave/numeric/randmtzig.cc	2022-07-09 23:03:37.970793323 -0600
@@ -163,6 +163,7 @@
 
 #include <algorithm>
 #include <random>
+#include <time.h>
 
 #include "oct-syscalls.h"
 #include "oct-time.h"