Here's my attempt to do just that. :-)  

 
Compiled fine with:
 

 
configuration: --prefix=/data/data/com.termux/files/usr/local --enable-indev=alsa --enable-indev=xcbgrab --enable-libfreetype --enable-libfontconfig --cc=clang --cxx=clang++ --disable-libxcb-shm --enable-vulkan --enable-opencl --enable-opengl --enable-libass --enable-libopus --enable-libfribidi --enable-librsvg --disable-stripping --enable-logging --enable-debug --logfile=/dev/tty --enable-nonfree --enable-jni --enable-gpl --enable-version3 --host-os=android --target-os=android --enable-mediacodec