kbuilder

A lightweight and flexible Bash script to build Linux kernels with support for custom LLVM toolchains.

📦 Features

• 🔧 Default or custom Clang-based toolchain support (--custom_tc=path)
• 📁 Custom defconfig support (--defconfig=config_name)
• 🧹 Clean build directory (clean)
• ⚙️ Build and compile kernel (build)
• 🧠 Colorful CLI output and helpful messages
• 🐧 Default ARCH set to x86, customizable inside script

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🧪 Requirements

• clang, llvm-* tools (or custom toolchain)
• GNU make
• Optional: ccache for faster rebuilds

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🚀 Usage

./kbuilder [options]

🔧 Commands

Command	Description
clean	Cleans the kernel build directory
build	Starts building the kernel

⚠️ clean must be first, and build must be last if used.

🛠️ Options

Option	Description
--custom_tc=PATH	Use custom LLVM toolchain from specified directory
--defconfig=NAME	Use a specific defconfig file (e.g. my_defconfig)
-v, --version	Show version and license
-h, --help	Show help message

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📂 Example

./kbuilder clean --custom_tc=~/toolchains/clang-r450784d build

kbuilder can also be ran without actually downloading the script:

bash <(curl -s "https://liquidprjkt.github.io/kbuilder") build

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📜 License

Copyright @ 2025-2026 - The Liquid Authors

This project is licensed under the GNU GPL v3

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👤 Author

UsiFX
📧 xprjkts@gmail.com
💻 GitHub: UsiFX