118 lines
3.6 KiB
Bash
118 lines
3.6 KiB
Bash
#!/bin/bash
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#
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# check_env.sh — Linux 内核构建环境依赖检查脚本
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#
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# 用途: 在 WSL/Linux 中运行，验证构建 Linux 6.6 LTS bzImage 所需依赖
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#
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# 使用:
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# ! wsl bash /mnt/d/Code/Deshab/CODE/linux/check_env.sh
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#
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# 退出码:
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# 0 = 所有依赖已满足
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# 1 = 缺少依赖（脚本会打印安装命令）
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set -e
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echo "[check] Linux 内核构建环境检查"
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echo "[check] ==========================="
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# 1. 检查操作系统
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if [ -f /etc/os-release ]; then
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. /etc/os-release
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echo "[check] OS: $NAME $VERSION"
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if [ "$ID" != "ubuntu" ] && [ "$ID_LIKE" != "debian" ]; then
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echo "[check] WARNING: 非 Ubuntu/Debian，依赖名可能不同"
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fi
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else
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echo "[check] WARNING: 无法识别操作系统"
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fi
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# 2. 检查必要包
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echo "[check]"
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echo "[check] 检查构建依赖..."
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MISSING=()
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for pkg in build-essential bc flex bison libelf-dev libssl-dev cpio gzip git; do
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if dpkg -s "$pkg" >/dev/null 2>&1; then
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echo "[check] ✓ $pkg"
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else
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echo "[check] ✗ $pkg (缺失)"
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MISSING+=("$pkg")
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fi
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done
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# 3. 检查 gcc 版本
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echo "[check]"
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echo "[check] 工具链版本:"
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if command -v gcc >/dev/null 2>&1; then
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GCC_VER=$(gcc -dumpversion)
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echo "[check] gcc: $GCC_VER"
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if [ "$(printf '%s\n' "11" "$GCC_VER" | sort -V | head -n1)" != "11" ]; then
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echo "[check] WARNING: gcc 版本 < 11，Linux 6.6 可能需要 gcc 11+"
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fi
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else
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echo "[check] ✗ gcc 未安装"
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MISSING+=("gcc")
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fi
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if command -v make >/dev/null 2>&1; then
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echo "[check] make: $(make --version | head -1 | awk '{print $3}')"
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fi
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# 4. 检查磁盘空间（需要 ~3GB）
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echo "[check]"
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PROJECT_ROOT="/mnt/d/Code/Deshab"
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if [ -d "$PROJECT_ROOT" ]; then
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AVAILABLE_KB=$(df "$PROJECT_ROOT" | awk 'NR==2 {print $4}')
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AVAILABLE_GB=$((AVAILABLE_KB / 1024 / 1024))
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echo "[check] 磁盘空间: ${AVAILABLE_GB}GB 可用 ($PROJECT_ROOT)"
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if [ "$AVAILABLE_GB" -lt 3 ]; then
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echo "[check] ✗ 磁盘空间不足 3GB"
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MISSING+=("disk_space")
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else
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echo "[check] ✓ 磁盘空间充足"
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fi
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fi
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# 5. 检查访问 Windows D: 盘
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echo "[check]"
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if [ -d "/mnt/d/Code/Deshab" ]; then
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echo "[check] ✓ WSL 可访问 /mnt/d/Code/Deshab"
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else
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echo "[check] ✗ WSL 无法访问 /mnt/d/Code/Deshab"
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echo "[check] 请确认在 WSL 中执行，且 D: 盘已挂载"
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MISSING+=("wsl_mount")
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fi
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# 6. 检查 git 网络（克隆 Linux 6.6 需要）
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echo "[check]"
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echo "[check] 测试 Git 网络连通..."
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if timeout 10 git ls-remote https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git v6.6 >/dev/null 2>&1; then
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echo "[check] ✓ kernel.org 可达"
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else
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echo "[check] ✗ kernel.org 不可达，尝试清华镜像..."
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if timeout 10 git ls-remote https://mirrors.tuna.tsinghua.edu.cn/git/linux.git v6.6 >/dev/null 2>&1; then
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echo "[check] ✓ 清华镜像可达（build.sh 会自动使用）"
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else
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echo "[check] ✗ 两个源都不可达，请检查网络/代理"
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MISSING+=("network")
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fi
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fi
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# 7. 总结
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echo "[check]"
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echo "[check] ==========================="
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if [ ${#MISSING[@]} -gt 0 ]; then
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echo "[check] 缺失: ${MISSING[*]}"
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echo "[check]"
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echo "[check] 请运行以下命令安装依赖:"
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echo "[check] sudo apt update"
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echo "[check] sudo apt install -y build-essential bc flex bison libelf-dev libssl-dev cpio gzip git"
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exit 1
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fi
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echo "[check] ✓ 所有依赖已满足，可以构建 Linux 内核"
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echo "[check]"
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echo "[check] 下一步执行:"
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echo "[check] cd /mnt/d/Code/Deshab/CODE/linux && chmod +x build.sh && ./build.sh"
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exit 0
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