Coding⏱️ 2 min read📅 2026-06-02

How to Fix: fatal error: Python.h: No such file or directory

Fix fatal error: Python.h: No such file or directory. Ensure you have installed the Python dev. Step-by-step guide included.

Quick Answer: Ensure you have installed the Python development package that includes Python.h, and try recompiling your code with the -I flag to specify the include directory.

📋 Table of Contents

  1. 🛠️ Step-by-Step Verified Fixes
  2. 💡 Conclusion

To resolve the 'fatal error: Python.h: No such file or directory' issue, you need to install the Python development package that includes the Python header files. This is typically done using a package manager like apt-get on Ubuntu-based systems or brew on macOS.

🛠️ Step-by-Step Verified Fixes

Method 1: Install Python Development Package

  1. Step 1: Open a terminal and run the command sudo apt-get install python3-dev for Ubuntu-based systems or brew install python for macOS.

Method 2: Install Python Development Package using pip

  1. Step 1: Open a terminal and run the command pip install py-cpython.

💡 Conclusion

Once you have installed the Python development package, re-run your gcc command to compile and link your C extension file.

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