Update libvpx snapshot to v0.9.7-p1 (Cayuga).

source/libvpx/build/make/ads2gas_apple.pl

 #!/usr/bin/env perl
 ##
 ##  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 ##
 ##  Use of this source code is governed by a BSD-style license
 ##  that can be found in the LICENSE file in the root of the source
 ##  tree. An additional intellectual property rights grant can be found
 ##  in the file PATENTS.  All contributing project authors may
 ##  be found in the AUTHORS file in the root of the source tree.
 ##
@@ skipping 23 matching lines @@
 sub trim($)
 {
     my $string = shift;
     $string =~ s/^\s+//;
     $string =~ s/\s+$//;
     return $string;
 }
 
 while (<STDIN>)
 {
+    # Load and store alignment
+    s/@/,:/g;
+
     # Comment character
     s/;/@/g;
 
     # Hexadecimal constants prefaced by 0x
     s/#&/#0x/g;
 
     # Convert :OR: to |
     s/:OR:/ | /g;
 
     # Convert :AND: to &
@@ skipping 36 matching lines @@
         s/=/==/g;
     }
 
     # Convert INCLUDE to .INCLUDE "file"
     s/INCLUDE(\s*)(.*)$/.include $1\"$2\"/;
 
     # Code directive (ARM vs Thumb)
     s/CODE([0-9][0-9])/.code $1/;
 
     # No AREA required
-    s/^\s*AREA.*$/.text/;
+    # But ALIGNs in AREA must be obeyed
+    s/^\s*AREA.*ALIGN=([0-9])$/.text\n.p2align $1/;
+    # If no ALIGN, strip the AREA and align to 4 bytes
+    s/^\s*AREA.*$/.text\n.p2align 2/;
 
     # DCD to .word
     # This one is for incoming symbols
     s/DCD\s+\|(\w*)\|/.long $1/;
 
     # DCW to .short
     s/DCW\s+\|(\w*)\|/.short $1/;
     s/DCW(.*)/.short $1/;
 
     # Constants defined in scope
@@ skipping 19 matching lines @@
 
     # No vertical bars required; make additional symbol with prepended
     # underscore
     s/^\|(\$?\w+)\|/_$1\n\t$1:/g;
 
     # Labels need trailing colon
 #   s/^(\w+)/$1:/ if !/EQU/;
     # put the colon at the end of the line in the macro
     s/^([a-zA-Z_0-9\$]+)/$1:/ if !/EQU/;
 
-    # Strip ALIGN
-    s/\sALIGN/@ ALIGN/g;
+    # ALIGN directive
+    s/ALIGN/.balign/g;
 
     # Strip ARM
     s/\sARM/@ ARM/g;
 
     # Strip REQUIRE8
     #s/\sREQUIRE8/@ REQUIRE8/g;
     s/\sREQUIRE8/@ /g;
 
     # Strip PRESERVE8
     s/\sPRESERVE8/@ PRESERVE8/g;
@@ skipping 34 matching lines @@
         $key =~ s/\$/\\\$/;
         s/$key\b/$value/g;
     }
 
     # For macros, use \ to reference formal params
 #   s/\$/\\/g;                  # End macro definition
     s/MEND/.endm/;              # No need to tell it where to stop assembling
     next if /^\s*END\s*$/;
     print;
 }