-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
#
# ====================================================================
# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
# Performance under big-endian OS such as HP-UX is 179MBps*1GHz, which
# is >50% better than HP C and >2x better than gcc.
+$output = pop;
+
$code=<<___;
.ident \"sha1-ia64.s, version 1.3\"
.ident \"IA-64 ISA artwork by Andy Polyakov <appro\@fy.chalmers.se>\"
stringz "SHA1 block transform for IA64, CRYPTOGAMS by <appro\@openssl.org>"
___
-$output=shift and open STDOUT,">$output";
+open STDOUT,">$output" if $output;
print $code;