How do I fix: Using a Different Package Manager?

Step 1: As an alternative solution, users can try installing numpy using a different package manager such as apt. This can be done by running 'apt-get install python3-numpy' in the Termux terminal.Step 2: However, this method may require additional configuration and could potentially lead to compati

Software⏱️ 3 min read📅 2026-06-11

How to Fix: Why pip throwing an error when installing numpy in Termux?

Q: How do I fix: 🔧 Proven Troubleshooting Steps Enabling Math Library Support?

Step 1: To fix this issue, users must enable math library support in Termux. This can be done by running the command 'termux-setup-env' to configure the environment variables.Step 2: Next, users need to install the required math libraries using the command 'pkg install -y libgfortran-dev'.Step 3: Fi

pip error installing numpy in Termux, required function not available for building numpy.

Quick Answer: The issue is due to the missing math library on Termux. Install the math library using pip install -U math and then try installing numpy again.

📋 Table of Contents

💡 Why You Are Getting This Error
🔧 Proven Troubleshooting Steps
✨ Wrapping Up

The error 'One of the required function to build numpy is not available' occurs when installing numpy in Termux using pip. This issue affects users who are attempting to install numpy without properly configuring their system's math library.

This error can be frustrating for users as it prevents them from installing the necessary package, leading to a range of problems in their Termux environment.

💡 Why You Are Getting This Error

The primary reason for this error is that Termux uses a sandboxed environment which lacks some of the math libraries required by numpy. This means that the system's math library is not available when trying to install numpy.
Another potential cause could be issues with the pip installation process itself, such as corrupted package files or an incorrect version of pip being used.

🔧 Proven Troubleshooting Steps

Enabling Math Library Support

Step 1: To fix this issue, users must enable math library support in Termux. This can be done by running the command 'termux-setup-env' to configure the environment variables.
Step 2: Next, users need to install the required math libraries using the command 'pkg install -y libgfortran-dev'.
Step 3: Finally, users should restart the Termux environment by running 'termux-reinstall-packages' to ensure that the new configuration takes effect.

Using a Different Package Manager

Step 1: As an alternative solution, users can try installing numpy using a different package manager such as apt. This can be done by running 'apt-get install python3-numpy' in the Termux terminal.
Step 2: However, this method may require additional configuration and could potentially lead to compatibility issues with other packages.

✨ Wrapping Up

By following these steps, users should be able to resolve the error and successfully install numpy in Termux. It is recommended that users enable math library support as the primary fix method for optimal results.

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