How to Fix 'CMAKE_C_COMPILER Not Found' Error When Building Aseprite with CMake?

CMake Error: CMAKE_C_COMPILER Not Found

When attempting to generate a Visual Studio solution using CMake for the latest version of Aseprite, you may encounter the error:

No CMAKE_C_COMPILER could be found.
No CMAKE_CXX_COMPILER could be found.

This error indicates that CMake cannot locate the C and C compilers necessary for building the project.

Resolution:

To resolve this issue, you can follow these steps:

1. Ensure Compiler Installation: Verify that you have a valid C and C compiler installed. For Ubuntu, you can install them using the following command:

   sudo apt-get update && sudo apt-get install build-essential

2. Set Compiler Environment Variables: Once the compilers are installed, you need to set the CMAKE_C_COMPILER and CMAKE_CXX_COMPILER environment variables to point to the correct compiler executables. For example, if you are using GCC, you could set them as follows in your terminal:

   export CMAKE_C_COMPILER=/usr/bin/gcc
   export CMAKE_CXX_COMPILER=/usr/bin/g++

3. Restart CMake: After setting the environment variables, restart CMake to ensure it picks up the new settings. You can do this by re-running the CMake command in your project directory.

By following these steps, you should be able to resolve the "No CMAKE_C_COMPILER could be found" error when using CMake for Aseprite.

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