1 files changed, 5 insertions, 3 deletions
diff --git a/util/mklink.pl b/util/mklink.pl
index 61db12c68f31..a937606ea5c2 100755
--- a/util/mklink.pl
+++ b/util/mklink.pl
@@ -55,9 +55,11 @@ if ($^O eq "msys") { $symlink_exists=0 };
 foreach $file (@files) {
     my $err = "";
     if ($symlink_exists) {
-	unlink "$from/$file";
-	symlink("$to/$file", "$from/$file") or $err = " [$!]";
-    } else {
+        if (!-l "$from/$file") {
+	    unlink "$from/$file";
+	    symlink("$to/$file", "$from/$file") or $err = " [$!]";
+	}
+    } elsif (-d "$from" && (!-f "$from/$file" || ((stat("$file"))[9] > (stat("$from/$file"))[9]))) {
 	unlink "$from/$file"; 
 	open (OLD, "<$file") or die "Can't open $file: $!";
 	open (NEW, ">$from/$file") or die "Can't open $from/$file: $!";