Discover the Solution to the Frustrating Error: CMake Command Not Found Here are Code Examples.

Table of content

  1. Introduction
  2. What is CMake?
  3. Common Causes of the "CMake Command Not Found" Error
  4. Step-by-Step Solutions to Fix "CMake Command Not Found" Error
  5. Example 1: Installing CMake on Ubuntu and Debian
  6. Example 2: Setting the PATH Variable on Windows
  7. Example 3: Compiling CMake from Source on macOS
  8. Conclusion


Have you ever encountered an error in your programming journey that left you scratching your head and feeling completely frustrated? If you're using CMake and have come across the error "CMake command not found," you're not alone. This error can cause hours of headache and delay progress on your project. But fear not, we have the solution!

In this article, we'll provide you with code examples on how to fix the "CMake command not found" error so you can get back to coding without interruption. Whether you're a beginner or an experienced developer, this guide will help you navigate around this common error.

So, if you want to overcome this obstacle and continue your programming journey with ease, keep reading! We have the solution you need to fix the "CMake command not found" error once and for all.

What is CMake?

CMake is a powerful open-source and cross-platform tool widely used for building software applications. It is designed to simplify the process of compiling source code into executable files, regardless of the target platform or system configuration. CMake works by generating makefiles, which are scripts used to build applications, from configuration files. It allows developers to automate the build process, manage dependencies, and customize the build environment easily. CMake comes with a rich set of features, including support for external libraries, parallel builds, and testing frameworks, among others. Its flexibility makes it an ideal tool for developing large and complex software projects across multiple platforms and operating systems. Now that we know what CMake is, let's dive deeper into how to solve the frustrating error when it's not found.

Common Causes of the “CMake Command Not Found” Error

If you have encountered the frustrating "CMake Command Not Found" error, you are not alone. This error can occur in a variety of situations, from running build scripts to setting up new environments on your computer. To help you overcome this error, let's take a closer look at some common causes for it.

One of the most frequent culprits behind the "CMake Command Not Found" error is an incomplete or incorrect installation of CMake. If you have installed a version of CMake that is not properly configured, or if the installation was interrupted or corrupted, then you may encounter this error.

Another potential cause of the error is a misconfigured system path. When your computer searches for the CMake command, it looks for it in a set of directories that are specified in the system's path variable. If the CMake command is not located in one of these directories, then the system will not recognize it and return an error.

Finally, a lack of necessary permissions may be another reason why CMake is not found. If you are running a script or program that requires the CMake command, but you do not have the appropriate permissions to access it, then you may receive the "CMake Command Not Found" error.

By identifying these common causes, you can take steps to troubleshoot and resolve the "CMake Command Not Found" error. With a little persistence and creativity, you can discover the solution and continue moving forward with your project.

Step-by-Step Solutions to Fix “CMake Command Not Found” Error

If you're encountering the frustrating error "CMake Command Not Found" while trying to compile your code, you're certainly not alone. Fortunately, there are several step-by-step solutions you can try to fix this issue and get your project back on track.

First, make sure that CMake is installed on your system. If it's not, you can download and install it from the official CMake website. Once installed, add the CMake executable to your system's PATH variable by running the following command:

export PATH="/path/to/cmake/bin:$PATH"

Replace "/path/to/cmake/bin" with the actual path to your CMake installation directory. This should allow your system to find the CMake executable.

If you've already installed CMake and added it to your system's PATH variable but are still getting the error, try running the cmake command with the full path to the executable. For example, if CMake is installed in "/usr/local/bin/cmake", you can run the following command:

/usr/local/bin/cmake /path/to/your/CMakeLists.txt

This should explicitly call the CMake executable and allow your code to be compiled.

Another possible solution is to check that the CMake directory is listed in your system's "LD_LIBRARY_PATH" environment variable. You can do this by running the following command:


If the CMake directory isn't listed, you can add it by running the following command:

export LD_LIBRARY_PATH=/path/to/cmake/lib:$LD_LIBRARY_PATH

Again, replace "/path/to/cmake/lib" with the actual path to your CMake installation directory.

With these steps, you should be able to fix the "CMake Command Not Found" error and get back to compiling your code. Don't let frustrating errors like this stand in the way of your progress – follow these solutions and get back to coding with confidence!

Example 1: Installing CMake on Ubuntu and Debian

Are you frustrated by the recurring error message "CMake Command Not Found"? Are you tired of not being able to compile your code due to this error? Fear not! In this article, we will provide you with a solution to this problem through code examples.

For our first example, we will demonstrate how to install CMake on Ubuntu and Debian. Follow these steps:

  1. Open the terminal and enter the following command to update the package list:
sudo apt-get update
  1. Install CMake by entering the following command:
sudo apt-get install cmake
  1. Verify that CMake has been installed correctly by entering the following command:
cmake --version

If everything has been installed and configured correctly, the terminal will display the version of CMake that you have installed.

By following these simple steps, you can avoid the frustrating "CMake Command Not Found" error, and begin to compile your code with ease.

Now that you're familiar with installing CMake on Ubuntu and Debian, why not try it out and see for yourself how it can benefit your coding experience?

Example 2: Setting the PATH Variable on Windows

If you are using CMake on Windows and encounter the frustrating error "CMake command not found," you may need to set the PATH variable. The PATH variable is used by the operating system to locate executable files needed to run commands. By adding the directory containing the CMake executable to the PATH, you can ensure that the CMake command is recognized by the system.

To set the PATH variable on Windows, you can follow these steps:

  1. Right-click on the "Start" button and select "System."
  2. Click on "Advanced system settings" on the left-hand side.
  3. Click on the "Environment Variables" button.
  4. Under "System Variables," scroll down and find the "Path" variable, then click "Edit."
  5. Click "New" and type the directory path containing the CMake executable (e.g., "C:\Program Files\CMake\bin").
  6. Click "OK" to close all windows.

Once the PATH variable has been set, you can try running the CMake command again. This time, the system should recognize the command and execute it successfully.

By following these simple steps, you can easily resolve the "CMake command not found" error on Windows and get back to developing your project. Don't let frustrating errors hold you back – take control of your development environment and optimize your workflow!

Example 3: Compiling CMake from Source on macOS

Compiling CMake from source on macOS can be a viable solution if you're suffering from the frustrating error message "CMake command not found." This method may seem intimidating at first, but it's actually quite simple. First, you'll need to download the latest source code from the CMake website. Then, navigate to the downloaded file and extract its contents. Open a terminal window and navigate to the extracted CMake source directory.

Once inside the directory, enter the following commands:

./bootstrap && make && sudo make install

The "bootstrap" command sets up necessary files for compilation, "make" compiles the source code, and finally "sudo make install" installs CMake to your system. Keep in mind that this process may take some time depending on your computer's processing power.

After completing these steps, you should be able to run the cmake command in your terminal without encountering any errors. It's important to note that using the latest version of CMake can help prevent issues like this in the future. So why not take the opportunity to upgrade and embrace the latest functions and features?

In summary, compiling CMake from source on macOS can be a straightforward solution to the "CMake command not found" error. Upgrading to the latest version of CMake can also help prevent similar errors from occurring in the future. So what are you waiting for? Give it a try and see how it can improve your development experience!


In , encountering the frustrating error message "CMake Command Not Found" can be a common issue for developers when trying to build C++ projects. Thankfully, there are several solutions available that can help resolve this issue. By understanding the error message, checking the installation of CMake, and updating the system’s path variable, you can quickly resolve this problem.

Taking the time to troubleshoot and address this error can help you save time and effort in the long run. With the suggested code examples and tips, we encourage you to experiment and explore different options until you find the solution that works best for your specific situation.

Don’t let the "CMake Command Not Found" error hold you back from building and deploying your C++ projects. By understanding the problem and following these solutions, you’ll be able to continue developing and creating high-quality applications with confidence. Keep learning and experimenting, and you'll gain the skills and knowledge needed to overcome any obstacle that comes your way!

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