Android 构建libreoffice时出错，我不知道'；我不知道如何修理它

生成输出为：

... very long output of compiled files is omitted...

[MAK] CustomTarget/android/source/done
creating liboSettings.gradle
[build PY ] native-code.cxx
/bin/sh: 1: /home/bart/Projects/libreoffice/solenv/bin/native-code.py: not found
Makefile:15: recipe for target 'native-code.cxx' failed
make[2]: *** [native-code.cxx] Error 127
/home/bart/Projects/libreoffice/android/CustomTarget_lo_android.mk:17: recipe for target '/home/bart/Projects/libreoffice/workdir/CustomTarget/android/source/done' failed
make[1]: *** [/home/bart/Projects/libreoffice/workdir/CustomTarget/android/source/done] Error 2
Makefile:282: recipe for target 'build' failed
make: *** [build] Error 2

我在Ubuntu 18.04.2 LTS上

我的autogen.input是：

我把它当作一本手册

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另外，我注意到libreoffice/android/source中的native-code.cxx文件是空的。我的系统上没有安装python2（但是安装了python3）。是否可以配置检查它

--with-distro=LibreOfficeAndroid
--with-android-sdk=/home/bart/Android/Sdk
--with-android-ndk=/home/bart/Android/android-ndk-r20
--with-jdk-home=/usr/lib/jvm/java-8-openjdk-amd64