This CL is WebRTC VoiceEngine for iOS and is from CL713004.

After patching this, first comments some video related lines in webrtc.gyp and src/module/module.gyp
And then do the below command.

$> ./build/gyp_chromium --depth=.  -DOS=ios -Dtarget_arch=armv7 -Dinclude_tests=0 -Denable_protobuf=0 -Denable_video=0 webrtc.gyp
$> xcodebuild -sdk iphoneos [-configuration Release]
Review URL: https://webrtc-codereview.appspot.com/768009

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2729 4adac7df-926f-26a2-2b94-8c16560cd09d

src/system_wrappers/interface/tick_util.h

@@ -184,7 +184,11 @@ inline TickTime TickTime::Now()
       if (retval != KERN_SUCCESS) {
         // TODO(wu): Implement CHECK similar to chrome for all the platforms.
         // Then replace this with a CHECK(retval == KERN_SUCCESS);
+#ifndef MAC_IPHONE
         asm("int3");
+#else
+        __builtin_trap();
+#endif // MAC_IPHONE
       }
     }
     // Use timebase to convert absolute time tick units into nanoseconds.