cmake, ninja, go are required

cmake -DANDROID_NATIVE_API_LEVEL=android-8 \ -DANDROID_ABI=x86 \ -DCMAKE_BUILD_TYPE=Release \ -DANDROID_NDK=/Applications/sdk/ndk-bundle/ \ -DCMAKE_TOOLCHAIN_FILE=../util/android-cmake/android.toolchain.cmake \ -DANDROID_NATIVE_API_LEVEL=16 \ -GNinja .. cmake --build .