+# Judging by the YAZ NEWS file, 2.1.10 was the first release to
+# include SRW/U support in the GFS
+chomp($yazver);
+my ($major, $minor, $trivial) = split(/\./, $yazver);
+#print "major=$major, minor=$minor, trivial=$trivial\n";
+die "You have YAZ version $major.$minor.$trivial; you need 2.1.10 or better"
+ if ($major < 2 ||
+ $major == 2 && $minor < 1 ||
+ $major == 2 && $minor == 1 && $trivial < 10);
+