diff -up comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus.gypi.webrtc-system-ogg comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus.gypi
--- comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus.gypi.webrtc-system-ogg	2013-10-29 02:21:05.000000000 +0100
+++ comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus.gypi	2013-10-31 13:23:18.571470233 +0100
@@ -15,7 +15,7 @@
         ['build_with_mozilla==1', {
           # Mozilla provides its own build of the opus library.
           'include_dirs': [
-            '$(DIST)/include/opus',
+            '/usr/include/opus',
            ]
         }, {
           'dependencies': [
diff -up comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus_interface.c.webrtc-system-ogg comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus_interface.c
--- comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus_interface.c.webrtc-system-ogg	2013-10-31 13:23:18.580470145 +0100
+++ comm-release/mozilla/media/webrtc/trunk/webrtc/modules/audio_coding/codecs/opus/opus_interface.c	2013-10-31 13:43:27.466681652 +0100
@@ -13,7 +13,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#pragma GCC visibility push(default)
 #include "opus.h"
+#pragma GCC visibility pop
 
 #include "webrtc/common_audio/signal_processing/resample_by_2_internal.h"
 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"