libvpx: Pull from upstream

source/libvpx/build/make/armlink_adapter.sh

-#!/bin/bash
+#!/bin/sh
 ##
 ##  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.
 ##
 
 
 verbose=0
 set -- $*
 for i; do
-    if [ "$i" == "-o" ]; then
+    if [ "$i" = "-o" ]; then
         on_of=1
-    elif [ "$i" == "-v" ]; then
+    elif [ "$i" = "-v" ]; then
         verbose=1
-    elif [ "$i" == "-g" ]; then
+    elif [ "$i" = "-g" ]; then
         args="${args} --debug"
-    elif [ "$on_of" == "1" ]; then
+    elif [ "$on_of" = "1" ]; then
         outfile=$i
         on_of=0
     elif [ -f "$i" ]; then
         infiles="$infiles $i"
-    elif [ "${i:0:2}" == "-l" ]; then
+    elif [ "${i#-l}" != "$i" ]; then
         libs="$libs ${i#-l}"
-    elif [ "${i:0:2}" == "-L" ]; then
+    elif [ "${i#-L}" != "$i" ]; then
         libpaths="${libpaths} ${i#-L}"
     else
         args="${args} ${i}"
     fi
     shift
 done
 
 # Absolutize library file names
 for f in $libs; do
     found=0
     for d in $libpaths; do
         [ -f "$d/$f" ] && infiles="$infiles $d/$f" && found=1 && break
         [ -f "$d/lib${f}.so" ] && infiles="$infiles $d/lib${f}.so" && found=1 && break
         [ -f "$d/lib${f}.a" ] && infiles="$infiles $d/lib${f}.a" && found=1 && break
     done
     [ $found -eq 0 ] && infiles="$infiles $f"
 done
 for d in $libpaths; do
     [ -n "$libsearchpath" ] && libsearchpath="${libsearchpath},"
     libsearchpath="${libsearchpath}$d"
 done
 
 cmd="armlink $args --userlibpath=$libsearchpath --output=$outfile $infiles"
 [ $verbose -eq 1 ] && echo $cmd
 $cmd