Now that we've removed the need for symlinks, we can safely remove util/mklinks.pl

Reviewed-by: NRich Salz <rsalz@openssl.org>

util/mklink.pl

-#!/usr/local/bin/perl
-
-# mklink.pl
-
-# The first command line argument is a non-empty relative path
-# specifying the "from" directory.
-# Each other argument is a file name not containing / and
-# names a file in the current directory.
-#
-# For each of these files, we create in the "from" directory a link
-# of the same name pointing to the local file.
-#
-# We assume that the directory structure is a tree, i.e. that it does
-# not contain symbolic links and that the parent of / is never referenced.
-# Apart from this, this script should be able to handle even the most
-# pathological cases.
-
-use Cwd;
-
-my $from = shift;
-my @files = @ARGV;
-
-my @from_path = split(/[\\\/]/, $from);
-my $pwd = getcwd();
-chomp($pwd);
-my @pwd_path = split(/[\\\/]/, $pwd);
-
-my @to_path = ();
-
-my $dirname;
-foreach $dirname (@from_path) {
-
-    # In this loop, @to_path always is a relative path from
-    # @pwd_path (interpreted is an absolute path) to the original pwd.
-
-    # At the end, @from_path (as a relative path from the original pwd)
-    # designates the same directory as the absolute path @pwd_path,
-    # which means that @to_path then is a path from there to the original pwd.
-
-    next if ($dirname eq "" || $dirname eq ".");
-
-    if ($dirname eq "..") {
-	@to_path = (pop(@pwd_path), @to_path);
-    } else {
-	@to_path = ("..", @to_path);
-	push(@pwd_path, $dirname);
-    }
-}
-
-my $to = join('/', @to_path);
-
-my $file;
-$symlink_exists=eval {symlink("",""); 1};
-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 {
-	unlink "$from/$file"; 
-	open (OLD, "<$file") or die "Can't open $file: $!";
-	open (NEW, ">$from/$file") or die "Can't open $from/$file: $!";
-	binmode(OLD);
-	binmode(NEW);
-	while (<OLD>) {
-	    print NEW $_;
-	}
-	close (OLD) or die "Can't close $file: $!";
-	close (NEW) or die "Can't close $from/$file: $!";
-    }
-    print $file . " => $from/$file$err\n";
-}