[ -z "${ANDROID_NDK}" ] && echo "You must set ANDROID_NDK environment variable" && exit 1
add_make "ANDROID_NDK := ${ANDROID_NDK}"
test -z "${NO_NEON}" && add_make_enabled "HAVE_NEON"
+ test -n "${TEGRA2}" && add_make_enabled "HAVE_TEGRA2"
}
test -z "$PREFIX" || add_make "PREFIX := $PREFIX"