net: Support ifaddrs on Android API level >= 24 #1338
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jmontorosf
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Jun 12, 2025
Co-authored-by: Wei Li Jiang <weili.jiang@taitcommunications.com>
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Baresip's default out-of-the-box networking currently doesn't work well on Android when IPv6-only due to inability to enumerate IPv6-only network interfaces. This appears to be because
ifaddrssupport is currently disabled. There are APIs to manually add interfaces to Baresip but this requires more advanced integration with the Java API in Android.Android added
ifaddrssupport in API level 24 (Android 7) which was ages ago:https://android.googlesource.com/platform/bionic/+/master/libc/include/ifaddrs.h#81
This PR allows
ifaddrsto be used on Android API >= 24 so that the built-in Baresip networking works with IPv6-only networks.I have enabled it and tested that with this change, Baresip can successfully use
getifaddrson a non-rooted Android 13 phone to enumerate IPv6-only interfaces without any integration with Java APIs.Extracted from #1329 (many discussions in that PR, most of which is unrelated to this change).