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Compiler feature detection failure



  • QtCreator 4.13 / Ubuntu 20.04

    I cannot start a single project anymore, because of the following:

    Compiler feature detection failure!
    The command "/usr/bin/g++ -x c++ -E -dM -" terminated with exit code 1.
    /usr/local/gcc-9.2.0/libexec/gcc/x86_64-pc-linux-gnu/9.2.0/cc1plus: error while loading shared libraries: libisl.so.15: cannot open shared object file: No such file or directory
    
    Error while parsing file /....../test.pro. Giving up.
    Project ERROR: Cannot run compiler 'g++'. Output:
    ===================
    ===================
    Maybe you forgot to setup the environment?
    

    Any idea whats wrong and how to solve it ?



  • @ProTurm said in Compiler feature detection failure:

    /usr/local/gcc-9.2.0/libexec/gcc/x86_64-pc-linux-gnu/9.2.0/cc1plus: error while loading shared libraries: libisl.so.15: cannot open shared object file: No such file or directory

    Have you checked this error message?
    It looks like your GCC setup is broken somehow. Try fixing it...


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