CLion is not working after mac os updated

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I just updated macOs to macOs Catalina 10.15.6. Then I got these ERROR from CLION

 

CMake Error at CMakeLists.txt:2 (project):
  The CMAKE_C_COMPILER:

    /Library/Developer/CommandLineTools/usr/bin/cc

  is not a full path to an existing compiler tool.

  Tell CMake where to find the compiler by setting either the environment
  variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
  the compiler, or to the compiler name if it is in the PATH.


CMake Error at CMakeLists.txt:2 (project):
  The CMAKE_CXX_COMPILER:

    /Library/Developer/CommandLineTools/usr/bin/c++

  is not a full path to an existing compiler tool.

  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.


-- Configuring incomplete, errors occurred!
See also "/Users/xxx/Documents/GitHub/private-bustub/cmake-build-debug/CMakeFiles/CMakeOutput.log".
Cannot read /Users/xxx/Documents/GitHub/private-bustub/cmake-build-debug/CMakeFiles/3.14.5/CMakeCCompiler.cmake
Cannot read /Users/xxx/Documents/GitHub/private-bustub/cmake-build-debug/CMakeFiles/3.14.5/CMakeCXXCompiler.cmake


Cannot get compiler information:
    Cannot run program "/Library/Developer/CommandLineTools/usr/bin/c++" (in directory "/Users/xxx/Documents/GitHub/private-bustub/cmake-build-debug/googletest-build/googlemock"): error=2, No such file or directory 


I googled and tried to upgrade xcode but it just can't fix this. Any ideas what to do?

 
5 comments
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Solved by Updating Clion.

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I have this same problem. Fresh install of CLion last night, and I updated Big Sur to 11.2.2 this morning. I am getting the same error, and am unable to fix it. I have reinstalled xcode-select and CLion is (correctly?) detecting the C and C++ compilers. Screenshot attached. 

There is no available update to CLion so the solution above will not work.

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Abbas Egbeyemi I believe I am in the same situation as you, CLion was working fine, I updated to the same version of macOS, and suddenly CLion stopped working with the same error. Fixed by opening the mac terminal and running "xcode-select --install" to update xcode command line tools (alternatively you could open settings->software update and update it from there if it shows up). Hope this helps!

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Thanks for your response Ryanfiocca44. I already ran "xcode-select install" and reinstalled command line tools. Same issue. I am using an Apple M1 MacBook Pro, and CLion for Apple Silicon. That might be the difference between our systems?

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How can you update CLion without opening it up?

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