Do not silently truncate files on perlasm errors

[oweals/openssl.git] / crypto / poly1305 / asm / poly1305-x86.pl

diff --git a/crypto/poly1305/asm/poly1305-x86.pl b/crypto/poly1305/asm/poly1305-x86.pl
index 3020d8e81d77d8bd301256a15ca372728da6d55a..b1c746617a9cc049813f3bbfe56e582e40553304 100755 (executable)
--- a/crypto/poly1305/asm/poly1305-x86.pl
+++ b/crypto/poly1305/asm/poly1305-x86.pl
@@ -1,7 +1,7 @@
 #! /usr/bin/env perl
-# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2016-2018 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
@@ -47,8 +47,7 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 push(@INC,"${dir}","${dir}../../perlasm");
 require "x86asm.pl";
 
-$output=pop;
-open STDOUT,">$output";
+$output=pop and open STDOUT,">$output";
 
 &asm_init($ARGV[0],$ARGV[$#ARGV] eq "386");
 
@@ -71,7 +70,7 @@ if ($sse2) {
        $avx = ($1>=2.09) + ($1>=2.10);
        }
 
-       if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|based on LLVM) ([3-9]\.[0-9]+)/) {
+       if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|based on LLVM) ([0-9]+\.[0-9]+)/) {
                $avx = ($2>=3.0) + ($2>3.0);
        }
 }
@@ -1812,4 +1811,4 @@ sub vlazy_reduction {
 
 &asm_finish();
 
-close STDOUT;
+close STDOUT or die "error closing STDOUT";