sample_of_ndk_gen_toolchain.sh

#  --arch {arm,arm64,mips,mips64,x86,x86_64}
#  --api API             Target the given API version (example: "--api 24").
#  --stl {gnustl,libc++,stlport}
#                        C++ STL to use.
#  --install-dir INSTALL_DIR
#                        Install toolchain to the given directory instead of
#                        packaging.
$ANDROID_NDK/build/tools/make_standalone_toolchain.py \
    --stl libc++ \
    --arch arm --api 16 \
    --install-dir <your_path>/toolchain-android-16-arm

# -h, --help             show this help message and exit