[mythtv] Android build
Mark Spieth
mark at digivation.com.au
Wed Apr 28 01:18:16 UTC 2021
On 28/04/2021 10:54 am, John P Poet wrote:
>
>
> On Tue, Apr 27, 2021 at 5:40 PM Mark Spieth <mark at digivation.com.au
> <mailto:mark at digivation.com.au>> wrote:
>
> On 28/04/2021 6:52 am, John P Poet wrote:
>> Are the instructions @
>> https://github.com/MythTV/packaging/blob/master/android/Readme.md
>> <https://github.com/MythTV/packaging/blob/master/android/Readme.md>
>> up to date? I am trying to build latest master on a Fedora 34
>> machine.
>>
>> First error I got was that
>> Android/android-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-clang
>> did not exist. To fix that I soft linked the version specific file:
>> $ ln -s aarch64-linux-android29-clang aarch64-linux-android-clang
>>
>> Then `make SDK=29 MODE=arm64 libs` produces:
>
> I have not used the command line variables in a long time. SDK=29
> should not be necessary.
>
> In fact the SDK=XX mode may be broken. Not sure.
>
> Not sure about the override. shouldnt need to use the SDK=29 it
> should be the default. see setenv.sh.
>
> The NDK is still on 28. The layout changed and caused problems
> when I tried it.
>
> I have recently been trying QT5.15.2 but had some problems but
> there are a couple of fixes to the setenv script for detecting
> tool paths which I will attach for you to test. This is still on
> QT 5.14.1 but is sort of ready to go for qt 5.15.2 when I figure
> out the issue (some API change I think).
>
> Then all I do is run 'make libs' and then 'make' or 'make
> distclean everything'
>
> my buildrc will show you which NDK's Ive been trying. use android
> studio to install ndks with the correct version.
>
> Sorry Ive been lazy and havent commited some of these updates yet.
> Not happy yet with them and I dont want to break things.
>
> See how you go. But it does work for me.
>
> Mark
>
>
> Hi Mark,
>
> That got me a lot further. Unfortunately it is now failing trying to
> build Qt 5.14.1 using build tools 29.0.3. Should I be using a
> different version?
>
> Preparing build tree...
> Creating qmake...
> .....................................In file included from
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/include/QtCore/qfloat16.h:1,
> from
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/include/QtCore/../../src/corelib/global/qendian.h:44,
> from
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/include/QtCore/qendian.h:1,
> from
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/src/corelib/codecs/qutfcodec.cpp:43:
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/include/QtCore/../../src/corelib/global/qfloat16.h:295:7:
> error: ‘numeric_limits’ is not a class template
> 295 | class numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> : public
> numeric_limits<float>
> | ^~~~~~~~~~~~~~
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/include/QtCore/../../src/corelib/global/qfloat16.h:295:77:
> error: expected template-name before ‘<’ token
> 295 | class numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> : public
> numeric_limits<float>
> | ^
> /home/john/src/Myth/Android/packaging/android/libs64/qt-everywhere-src-5.14.1/qtbase/include/QtCore/../../src/corelib/global/qfloat16.h:295:77:
> error: expected ‘{’ before ‘<’ token
> ...
>
> Thanks,
>
> John
This sounds like an unsupported ndk version, compiler too new. I had
trouble with ndk 22.1.7171670 with similar results. The c++ headers are
a bit different I think but havent chased it down.
install one of the 21 ones. ~/Android/Sdk/ndk is where they live and you
can see what is installed.
I have 21.0.6113669 and 21.4.7075529 installed. both work for me.
HTH
Mark
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