NDK-25C
https://github.com/xianyi/OpenBLAS/wiki/How-to-build-OpenBLAS-for-Android
cd 3rd-party/blis
export NDK_BUNDLE=../../../*/*
export TOOLCHAIN=$NDK_BUNDLE/toolchains/llvm/prebuilt/$(uname | tr A-Z a-z)-x86_64/bin
./configure CC=$TOOLCHAIN/clang AR=$TOOLCHAIN/llvm-ar RANLIB=$TOOLCHAIN/llvm-ranlib --enable-cblas arm64
python ./build/flatten-headers.py -l -v1 xxxx // please see run.sh
cd ../../jni
mv Android-blis.mk Android.mk
ndk-build
adb push activation/data/baomao_M_0020.16000.8.float.pcm /data/vsys-final/activation/data
adb push 3rd-party/workdir_cn /data/vsys-final/3rd-party
adb push libs/arm64-v8a/ data/vsys-final
adb push activation/test_activation/run.sh /data/vsys-final
./run.sh