"copy" perl script to avoid problems with Win32 builtin copy command.

util/copy.pl

@@ -0,0 +1,58 @@
+#!/usr/local/bin/perl
+
+use Fcntl;
+
+
+# copy.pl
+
+# Perl script 'copy' comment. On Windows the built in "copy" command also
+# copies timestamps: this messes up Makefile dependencies.
+
+my $arg;
+
+foreach $arg (@ARGV) {
+	foreach (glob $arg)
+		{
+		push @filelist, $_;
+		}
+}
+
+$fnum = @filelist;
+
+if ($fnum <= 1)
+	{
+	die "Need at least two filenames";
+	}
+
+$dest = pop @filelist;
+	
+if ($fnum > 2 && ! -d $dest)
+	{
+	die "Destination must be a directory";
+	}
+
+foreach (@filelist)
+	{
+	if (-d $dest)
+		{
+		$dfile = $_;
+		$dfile =~ s|^.*[/\\]([^/\\]*)$|$1|;
+		$dfile = "$dest/$dfile";
+		}
+	else
+		{
+		$dfile = $dest;
+		}
+	sysopen(IN, $_, O_RDONLY|O_BINARY) || die "Can't Open $_";
+	sysopen(OUT, $dfile, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY)
+					|| die "Can't Open $dfile";
+	while (sysread IN, $buf, 10240)
+		{
+		syswrite(OUT, $buf, length($buf));
+		}
+	close(IN);
+	close(OUT);
+	print "Copying: $_ to $dfile\n";
+	}
+		
+