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-rwxr-xr-xcrypto/chacha/asm/chacha-ppc.pl10
1 files changed, 7 insertions, 3 deletions
diff --git a/crypto/chacha/asm/chacha-ppc.pl b/crypto/chacha/asm/chacha-ppc.pl
index 3073deac17ee..60982dddb211 100755
--- a/crypto/chacha/asm/chacha-ppc.pl
+++ b/crypto/chacha/asm/chacha-ppc.pl
@@ -1,7 +1,7 @@
#! /usr/bin/env perl
# Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
#
-# Licensed under the OpenSSL license (the "License"). You may not use
+# Licensed under the Apache License 2.0 (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
@@ -44,7 +44,10 @@
# instructions, which is why switch to vector-only code pays
# off that much;
-$flavour = shift;
+# $output is the last argument if it looks like a file (it has an extension)
+# $flavour is the first argument if it doesn't look like a file
+$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
+$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
if ($flavour =~ /64/) {
$SIZE_T =8;
@@ -69,7 +72,8 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or
die "can't locate ppc-xlate.pl";
-open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
+open STDOUT,"| $^X $xlate $flavour \"$output\""
+ or die "can't call $xlate: $!";
$LOCALS=6*$SIZE_T;
$FRAME=$LOCALS+64+18*$SIZE_T; # 64 is for local variables