The C compiler “/usr/bin/cc“ is not able to compile a simple test program.

-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc - broken
CMake Error at /Applications/CLion.app/Contents/bin/cmake/mac/share/cmake-3.23/Modules/CMakeTestCCompiler.cmake:69 (message):
  The C compiler

    "/usr/bin/cc"

  is not able to compile a simple test program.

  It fails with the following output:

    Change Dir: /Users/doubleq/CLionProjects/code_new/cmake-build-debug/CMakeFiles/CMakeTmp
    
    Run Build Command(s):/Applications/CLion.app/Contents/bin/ninja/mac/ninja cmTC_a3b47 && [1/2] Building C object CMakeFiles/cmTC_a3b47.dir/testCCompiler.c.o
    FAILED: CMakeFiles/cmTC_a3b47.dir/testCCompiler.c.o 
    /usr/bin/cc   -arch arm64 -o CMakeFiles/cmTC_a3b47.dir/testCCompiler.c.o -c /Users/doubleq/CLionProjects/code_new/cmake-build-debug/CMakeFiles/CMakeTmp/testCCompiler.c
    xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
    ninja: build stopped: subcommand failed.
    
    

  

  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:2 (project)


-- Configuring incomplete, errors occurred!
See also "/Users/doubleq/CLionProjects/code_new/cmake-build-debug/CMakeFiles/CMakeOutput.log".
See also "/Users/doubleq/CLionProjects/code_new/cmake-build-debug/CMakeFiles/CMakeError.log".

[Failed to reload]

背景：

升级了macOS Ventura 13.0就报错了

解决办法：

• 在Appstore里安装Xcode
• 安装好后菜单栏Tools->CMake->Reset Cache and Reload Rroject就可以正常运行c 程序了
  

参考链接

https://intellij-support.jetbrains.com/hc/en-us/community/posts/360010551220-Can-t-compile-simple-test-program-on-Mac

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