add scripts

prepare-openwrt-env.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+# Automatically prepare OpenWRT build dependencies for Debian/Ubuntu
+# Supports both x86_64 and arm64
+# Detects Ubuntu 22.04, 24.04, Debian 12/13 and newer
+# Author: Zhe Yuan
+
+set -e
+umask 022
+
+echo "========================================"
+echo " OpenWRT Build Environment Preparation"
+echo "========================================"
+
+# --- Detect architecture ---
+ARCH=$(uname -m)
+echo "[INFO] Detected architecture: $ARCH"
+
+# --- Detect OS version ---
+if [ -f /etc/os-release ]; then
+  . /etc/os-release
+  DISTRO="$ID"
+  VERSION_ID="${VERSION_ID:-unknown}"
+else
+  echo "[ERROR] Cannot detect system version (no /etc/os-release)"
+  exit 1
+fi
+
+echo "[INFO] Detected distribution: $DISTRO $VERSION_ID"
+
+# --- Determine if Python 3.12+ is installed (no distutils) ---
+PY_VER=$(python3 -V 2>/dev/null | awk '{print $2}' | cut -d. -f1,2)
+HAS_DISTUTILS=$(apt-cache search python3-distutils 2>/dev/null | grep -c distutils || true)
+
+# --- Base packages (common to all) ---
+COMMON_PACKAGES="build-essential clang flex bison g++ gawk \
+gettext git libssl-dev rsync swig unzip zlib1g-dev file wget"
+
+# --- Determine specific package set ---
+if [[ "$ARCH" == "x86_64" || "$ARCH" == "amd64" ]]; then
+  echo "[INFO] Preparing environment for x86_64."
+
+  if [[ "$VERSION_ID" == "24.04" || ( "$DISTRO" == "debian" && "${VERSION_ID%%.*}" -ge 13 ) ]]; then
+    echo "[INFO] Detected new environment (Python 3.12+, no python3-distutils)."
+    EXTRA_PACKAGES="gcc-multilib g++-multilib libncurses5-dev python3-setuptools"
+  else
+    echo "[INFO] Detected older Ubuntu/Debian (with python3-distutils)."
+    EXTRA_PACKAGES="gcc-multilib g++-multilib libncurses-dev python3-distutils python3-setuptools"
+  fi
+
+  INSTALL_PACKAGES="$COMMON_PACKAGES $EXTRA_PACKAGES"
+
+elif [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]; then
+  echo "[INFO] Preparing environment for ARM64."
+
+  # Note: arm64 has no native multilib; install cross multilib packages
+  MULTILIB_PACKAGES="
+    gcc-multilib-i686-linux-gnu gcc-multilib-s390x-linux-gnu \
+    gcc-multilib-x86-64-linux-gnu gcc-multilib-x86-64-linux-gnux32 \
+    g++-multilib-i686-linux-gnu g++-multilib-s390x-linux-gnu \
+    g++-multilib-x86-64-linux-gnu g++-multilib-x86-64-linux-gnux32 \
+    libc6-dev-i386-amd64-cross libc6-dev-i386-cross libc6-dev-i386-x32-cross"
+
+  if [[ "$VERSION_ID" == "24.04" || ( "$DISTRO" == "debian" && "${VERSION_ID%%.*}" -ge 13 ) ]]; then
+    EXTRA_PACKAGES="libncurses5-dev python3-setuptools"
+  else
+    EXTRA_PACKAGES="libncurses-dev python3-distutils python3-setuptools"
+  fi
+
+  INSTALL_PACKAGES="$COMMON_PACKAGES $EXTRA_PACKAGES $MULTILIB_PACKAGES golang"
+
+else
+  echo "[WARN] Unknown architecture: $ARCH"
+  echo "[WARN] Attempting to use x86_64 package list."
+  INSTALL_PACKAGES="$COMMON_PACKAGES gcc-multilib g++-multilib libncurses-dev python3-setuptools"
+fi
+
+# --- Display package list ---
+echo
+echo "========================================"
+echo "📦 Packages to install:"
+echo "$INSTALL_PACKAGES"
+echo "========================================"
+echo
+
+echo "[INFO] Updating APT repositories..."
+sudo apt update -y
+
+echo "[INFO] Installing packages..."
+sudo apt install -y $INSTALL_PACKAGES
+
+# --- Post installation notice ---
+echo
+echo "========================================"
+echo "✅ OpenWRT build environment setup complete!"
+echo "========================================"
+echo
+
+if [[ "$ARCH" == "x86_64" || "$ARCH" == "amd64" ]]; then
+  echo "👉 [NOTE] Go language is optional on x86_64."
+  echo "   If you plan to compile packages requiring Go (e.g. firewall4, netifd), install it manually:"
+  echo "     sudo apt install golang -y"
+else
+  echo "👉 [INFO] Go language installed for ARM64 cross compilation."
+fi
+
+echo
+echo "⚙️  After running 'make menuconfig', set Go toolchain path if required:"
+echo "   Example: /usr/lib/go-1.18"
+echo
+echo "👉 Next step:"
+echo "   ./prepare-openwrt.sh   # to clone and set up OpenWRT source"
+echo