--toolchain=arm-linux-androideabi-4.9 \
--arch=arm \
--install-dir=$TOOLCHAIN \
- --platform=android-9
+ --platform=android-21
export PATH=$TOOLCHAIN/bin:$PATH
export AR=$TOOLCHAIN/bin/arm-linux-androideabi-ar
export CC=$TOOLCHAIN/bin/arm-linux-androideabi-gcc