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Native logs are often valuable in order to debug issues that can't be easily
reproduced. Following are instructions for gathering logs on various platforms.
To enable native logs for a native application, you can either:
* Use a debug build of WebRTC (a build where `NDEBUG` is not defined),
which will enable `INFO` logging by default.
* Call `rtc::LogMessage::LogToDebug(rtc::LS_INFO)` within your application.
Or use `LS_VERBOSE` to enable `VERBOSE` logging.
For the location of the log output on different platforms, see below.
#### Android
Logged to Android system log. Can be obtained using:
~~~~ bash
adb logcat -s "libjingle"
~~~~
To enable the logging in a non-debug build from Java code, use
`Logging.enableLogToDebugOutput(Logging.Severity.LS_INFO)`.
#### iOS
Only logged to `stderr` by default. To log to a file, use `RTCFileLogger`.
#### Mac
For debug builds of WebRTC (builds where `NDEBUG` is not defined), logs to
`stderr`. To do this for release builds as well, set a boolean preference named
'logToStderr' to `true` for your application. Or, use `RTCFileLogger` to log to
a file.
#### Windows
Logs to the debugger and `stderr`.
#### Linux/Other Platforms
Logs to `stderr`.