libvpx: Pull from upstream

source/libvpx/test/test_libvpx.cc

 /*
  *  Copyright (c) 2012 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.
  */
 #include <string>
 #include "vpx_config.h"
+extern "C" {
 #if ARCH_X86 || ARCH_X86_64
-extern "C" {
 #include "vpx_ports/x86.h"
+#endif
 #if CONFIG_VP8
 extern void vp8_rtcd();
 #endif
 #if CONFIG_VP9
 extern void vp9_rtcd();
 #endif
 }
-#endif
 #include "third_party/googletest/src/include/gtest/gtest.h"
 
 static void append_gtest_filter(const char *str) {
   std::string filter = ::testing::FLAGS_gtest_filter;
   filter += str;
   ::testing::FLAGS_gtest_filter = filter;
 }
 
 int main(int argc, char **argv) {
   ::testing::InitGoogleTest(&argc, argv);
 
 #if ARCH_X86 || ARCH_X86_64
   const int simd_caps = x86_simd_caps();
   if (!(simd_caps & HAS_MMX))
     append_gtest_filter(":-MMX/*");
   if (!(simd_caps & HAS_SSE))
     append_gtest_filter(":-SSE/*");
   if (!(simd_caps & HAS_SSE2))
     append_gtest_filter(":-SSE2/*");
   if (!(simd_caps & HAS_SSE3))
     append_gtest_filter(":-SSE3/*");
   if (!(simd_caps & HAS_SSSE3))
     append_gtest_filter(":-SSSE3/*");
   if (!(simd_caps & HAS_SSE4_1))
     append_gtest_filter(":-SSE4_1/*");
 #endif
 
+#if !CONFIG_SHARED
+  /* Shared library builds don't support whitebox tests that exercise internal symbols. */
 #if CONFIG_VP8
   vp8_rtcd();
 #endif
 #if CONFIG_VP9
   vp9_rtcd();
 #endif
+#endif
 
   return RUN_ALL_TESTS();
 }