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Sean Atukorala
Sean Atukorala

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[Solved] No CMAKE CXX COMPILER could be found

Problem:

Running into the following error when trying to run cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo:

-- The CXX compiler identification is unknown CMake Error at CMakeLists.txt:3 (project): No CMAKE CXX COMPILER could be found.
Tell CMake where to find the compiler by setting either the environment variable "CXX" or the CMake cache entry CMAKE CXX COMPILER to the full path to the compiler, or to the compiler name if it is in the PATH.

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Solution:

This error is usually caused by the build-essential package not being installed. If you're on Ubuntu run the following commands to install this package:

sudo apt update
sudo apt install build-essential
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After installing this package, try running the cmake command again and this error should be resolved.

Conclusion

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