definitely-not-v2ray-client-dont-use-it/compile-tun2socks.sh

#!/bin/bash

set -o errexit
set -o pipefail
set -o nounset

# Set magic variables for current file & dir
__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
__file="${__dir}/$(basename "${BASH_SOURCE[0]}")"
__base="$(basename "${__file}" .sh)"

if [[ ! -d $NDK_HOME ]]; then
    echo "Android NDK: NDK_HOME not found. please set env \$NDK_HOME"
    exit 1
fi

TMPDIR=$(mktemp -d)
clear_tmp () {
    rm -rf "$TMPDIR"
}
trap 'echo -e "Aborted, error $? in command: $BASH_COMMAND"; trap ERR; clear_tmp; exit 1' ERR INT

install -m644 "$__dir/tun2socks.mk" "$TMPDIR/"
pushd "$TMPDIR"
ln -s "$__dir/badvpn" badvpn
ln -s "$__dir/libancillary" libancillary
$NDK_HOME/ndk-build \
    NDK_PROJECT_PATH=. \
    APP_BUILD_SCRIPT=./tun2socks.mk \
    APP_ABI=all \
    APP_PLATFORM=android-21 \
    NDK_LIBS_OUT="$TMPDIR/libs" \
    NDK_OUT="$TMPDIR/tmp" \
    APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -j4
cp -r "$TMPDIR/libs" "$__dir/"
popd
rm -rf "$TMPDIR"