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Title: Resolving CMake Error during pip install dlib
Introduction:
When working with computer vision projects or facial recognition applications, you might find yourself needing the dlib library in Python. However, installing dlib can sometimes be challenging due to dependencies on CMake. In this tutorial, we'll guide you through resolving a common CMake error that may occur during the installation of dlib using pip.
Error Description:
One common error message you might encounter during the installation process is related to CMake. The error message may look like this:
This error occurs because dlib relies on CMake to build its C++ components, and the system can't locate the necessary build program.
Solution:
Follow these steps to resolve the CMake error and successfully install dlib:
Install CMake:
Ensure that CMake is installed on your system. You can download the latest version of CMake from https://cmake.org/download/ and follow the installation instructions for your operating system.
Upgrade pip and wheel:
Make sure you have the latest versions of pip and wheel:
Install dlib with CMake options:
Use the following command to install dlib with explicit CMake options:
The --install-option="--yes" flag allows automatic installation of prerequisites, and --install-option="--no DLIB_USE_CUDA" disables CUDA support, which can sometimes cause issues during installation.
If you have a specific CMake configuration, you can add more options as needed.
Example:
Here's a full example command:
Adjust the options based on your specific requirements.
Conclusion:
By following these steps, you should be able to resolve the CMake error and successfully install dlib for your Python projects. If you encounter any further issues, refer to the official documentation for dlib or seek help from the community forums.
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