text: #!/usr/bin/env perl
  # Copyright 2009 The Go Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style
  # license that can be found in the LICENSE file.
  #
  # Generate system call table for Darwin from sys/syscall.h
  
  use strict;
  
  if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
  	print STDERR "GOARCH or GOOS not defined in environment\n";
  	exit 1;
  }
  
  my $command = "mksysnum_darwin.pl " . join(' ', @ARGV);
  
  print <<EOF;
  // $command
  // Code generated by the command above; see README.md. DO NOT EDIT.
  
  // +build $ENV{'GOARCH'},$ENV{'GOOS'}
  
  package unix
  
  const (
  EOF
  
  while(<>){
  	if(/^#define\s+SYS_(\w+)\s+([0-9]+)/){
  		my $name = $1;
  		my $num = $2;
  		$name =~ y/a-z/A-Z/;
  		print "	SYS_$name = $num;"
  	}
  }
  
  print <<EOF;
  )
  EOF
  