diff -up comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/interface/opus_interface.h.webrtc-system-opus comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/interface/opus_interface.h
--- comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/interface/opus_interface.h.webrtc-system-opus	2013-02-18 05:06:42.000000000 +0100
+++ comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/interface/opus_interface.h	2013-02-27 20:06:21.788653813 +0100
@@ -11,7 +11,9 @@
 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_H_
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_H_
 
+#pragma GCC visibility push(default)
 #include <opus.h>
+#pragma GCC visibility pop
 
 #include "typedefs.h"
 
diff -up comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus.gypi.webrtc-system-opus comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus.gypi
--- comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus.gypi.webrtc-system-opus	2013-02-18 05:06:42.000000000 +0100
+++ comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus.gypi	2013-02-26 22:03:40.248886264 +0100
@@ -24,7 +24,7 @@
         ['build_with_mozilla==1', {
           # Mozilla provides its own build of the opus library.
           'include_dirs': [
-            '$(DIST)/include/opus',
+            '/usr/include/opus',
            ]
         }, {
           'dependencies': [
@@ -45,7 +45,7 @@
         'conditions': [
           ['build_with_mozilla==1', {
             'include_dirs': [
-              '$(DIST)/include/opus',
+              '/usr/include/opus',
              ]
           }, {
              'include_dirs': [
diff -up comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus_interface.c.webrtc-system-opus comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus_interface.c
--- comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus_interface.c.webrtc-system-opus	2013-02-18 05:06:42.000000000 +0100
+++ comm-release/mozilla/media/webrtc/trunk/src/modules/audio_coding/codecs/opus/opus_interface.c	2013-02-27 20:03:37.058369022 +0100
@@ -13,7 +13,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#pragma GCC visibility push(default)
 #include <opus.h>
+#pragma GCC visibility pop
 
 #include "neteq_defines.h"
 #include "signal_processing_library.h"