[mythtv] Android build Crashes after Updates to mythtv/external and required system libraries

David Hampton mythtv at love2code.net
Mon Aug 6 22:27:17 UTC 2018

On August 6, 2018 2:47:24 PM EDT, Peter Bennett <pb.mythtv at gmail.com> wrote:
>On 08/06/2018 11:59 AM, Peter Bennett wrote:
>> On 08/05/2018 10:45 PM, David Hampton wrote:
>>>>> I checked - libbluray, libsamplerate and liblzo are not in the
>>>>> libbluray.so and liblzo.so are in the directory
>>>>> packaging/android/mythinstall64/lib/.
>>>>> libsamplerate.so never got created, but the compile worked so I
>>>>> suspect that
>>>>> it was statically linked.
>>>> Peter, you can use readelf like this to check which shared
>>>> are needed.
>>>> ~/android/android-ndk/my-android-toolchain64/bin/aarch64-linux-
>>>> android-readelf --dynamic mythinstall64/lib/libmythfrontend.so
>>> readelf on mythinstall64/lib/libmythtv-30.so shows that its looking
>>> libbluray.so, libxml2.so, and liblzo2.so.  My last commit added two
>>> those to mythfrontend.pro, but missed libxml2.so.
>>>> You can also use nm like this to confirm that libsamplerate was
>>>> included.
>>>> ~/android/android-ndk/my-android-toolchain64/bin/aarch64-linux-
>>>> android-nm mythinstall64/lib/libmythfrontend.so
>>> Looking at nm on mythinstall64/lib/libmyth-30.so, I see the
>>> functions like src_new listed with text addresses:
>>> 00000000001ae220 T src_new
>>> They should be already linked into libmyth-30.so since they're
>>> as T (text) symbols with addresses instead of as U (unknown)
>>> David
>> I pulled the latest commits, did a clean build. Android run now 
>> crashes with
>> W System.err: Caused by: java.lang.UnsatisfiedLinkError: dlopen 
>> failed: library "libxml2.so" not found
>> I see you mention above that you missed libxml2.so, so that seems to 
>> be the current problem.
>> Peter
>I have added libxml2.so to the mythfrontend.pro file, and committed the
>change. The android build now runs successfully.

Thanks for taking care of that. 


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