File xxd.patch of Package vmaf

From: Jan Engelhardt <ej@inai.de>
Date: 2025-11-18 00:02:49.785881693 +0100

xxd comes from vim. That's too much of a build dependency.
---
 bin/xxd |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

Index: vmaf/bin/xxd
===================================================================
--- /dev/null
+++ vmaf/bin/xxd
@@ -0,0 +1,15 @@
+#!/usr/bin/perl
+use Getopt::Long;
+use strict;
+use warnings;
+my($nflag, $iflag);
+&Getopt::Long::Configure(qw(bundling));
+&GetOptions("include" => \$iflag, "i" => \$iflag, "n=s" => \$nflag);
+if (!defined($nflag)) { ($nflag = $ARGV[0]) =~ s{[^a-z0-9]}{_}gi; }
+open(STDIN, "<", $ARGV[0]) or die("$ARGV[0]: $!");
+if (scalar(@ARGV) == 2) { open(STDOUT, ">", $ARGV[1]) or die("$ARGV[1]: $!"); }
+my $data = join("", <STDIN>);
+print "unsigned int ${nflag}_len = ", length($data), ";\n";
+print "unsigned char $nflag", "[", length($data), "] = {\n";
+for (my $i = 0; $i < length($data); ++$i) { printf("0x%x,", ord(substr($data, $i, 1))); }
+print "};\n";