Building ROS2 on Android

termux-setup-storage
pkg install proot-distro
proot-distro login ubuntu --termux-home

apt install -y software-properties-common
add-apt-repository universe
apt update && apt install -y curl
curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
sudo apt update && sudo apt install -y \
  python3-flake8-docstrings \
  python3-pip \
  python3-pytest-cov \
  ros-dev-tools
sudo apt install -y \
   python3-flake8-blind-except \
   python3-flake8-builtins \
   python3-flake8-class-newline \
   python3-flake8-comprehensions \
   python3-flake8-deprecated \
   python3-flake8-import-order \
   python3-flake8-quotes \
   python3-pytest-repeat \
   python3-pytest-rerunfailures  
mkdir -p ~/ros2_humble/src
cd ~/ros2_humble
vcs import --input https://raw.githubusercontent.com/ros2/ros2/humble/ros2.repos src   
sudo apt upgrade
sudo rosdep init
rosdep update
rosdep install --from-paths src --ignore-src -y --skip-keys "fastcdr rti-connext-dds-6.0.1 urdfdom_headers"
cd ~/ros2_humble/
colcon build --symlink-install

cd ros-visualization
touch COLCON_IGNORE
cd ../

export MAKEFLAGS="-j1"
colcon build --symlink-install --parallel-workers 1 --executor sequential

export RMW_IMPLEMENTATION=rmw_cyclonedds_cpp

. ~/ros2_humble/install/local_setup.bash
ros2 run demo_nodes_cpp talker

getifaddrs: Permission denied