Unify all assembler file generators

[openssl.git] / crypto / bn / asm / armv4-gf2m.pl

diff --git a/crypto/bn/asm/armv4-gf2m.pl b/crypto/bn/asm/armv4-gf2m.pl
index 0bf6f63ec5777f0877fe04a141d72860d9d6c561..e7a865581f3cc18ab0cf485e8605df2820c53122 100644 (file)
--- a/crypto/bn/asm/armv4-gf2m.pl
+++ b/crypto/bn/asm/armv4-gf2m.pl
@@ -39,9 +39,10 @@
 #
 # http://conradoplg.cryptoland.net/files/2010/12/mocrysen13.pdf
 
-$flavour = shift;
-if ($flavour=~/\w[\w\-]*\.\w+$/) { $output=$flavour; undef $flavour; }
-else { while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} }
+# $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 && $flavour ne "void") {
     $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
@@ -49,9 +50,10 @@ if ($flavour && $flavour ne "void") {
     ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
     die "can't locate arm-xlate.pl";
 
-    open STDOUT,"| \"$^X\" $xlate $flavour $output";
+    open STDOUT,"| \"$^X\" $xlate $flavour \"$output\""
+        or die "can't call $xlate: $1";
 } else {
-    open STDOUT,">$output";
+    $output and open STDOUT,">$output";
 }
 
 $code=<<___;