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-rw-r--r--crypto/bn/asm/s390x-gf2m.pl8
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/bn/asm/s390x-gf2m.pl b/crypto/bn/asm/s390x-gf2m.pl
index afe8d35548..85e5eaa84f 100644
--- a/crypto/bn/asm/s390x-gf2m.pl
+++ b/crypto/bn/asm/s390x-gf2m.pl
@@ -32,7 +32,10 @@
# so that improvement coefficients can vary from one specific
# setup to another.
-$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 =~ /3[12]/) {
$SIZE_T=4;
@@ -42,8 +45,7 @@ if ($flavour =~ /3[12]/) {
$g="g";
}
-while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {}
-open STDOUT,">$output";
+$output and open STDOUT,">$output";
$stdframe=16*$SIZE_T+4*8;