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Unable to build example projects due to CMake error

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  • Christian EhrlicherC Christian Ehrlicher

    @jasoney said in Unable to build example projects due to CMake error:

    C:/Qt/Tools/mingw1120_64/bin/g++.exe

    So is this path correct?

    J Offline
    J Offline
    jasoney
    wrote on last edited by
    #3

    @Christian-Ehrlicher Yes
    Screenshot 2023-07-12 085150.png

    Christian EhrlicherC 1 Reply Last reply
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    • J jasoney

      @Christian-Ehrlicher Yes
      Screenshot 2023-07-12 085150.png

      Christian EhrlicherC Online
      Christian EhrlicherC Online
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on last edited by
      #4

      What QtCreator version do you use?
      Can you open a command prompt and try to execute g++ (with full path and correct separators)?

      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
      Visit the Qt Academy at https://academy.qt.io/catalog

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      • Christian EhrlicherC Christian Ehrlicher

        What QtCreator version do you use?
        Can you open a command prompt and try to execute g++ (with full path and correct separators)?

        J Offline
        J Offline
        jasoney
        wrote on last edited by
        #5

        @Christian-Ehrlicher
        I am using QT Creator 10.0.2
        Running C:\Qt\Tools\mingw1120_64\bin\g++.exe --version:

        g++.exe (x86_64-posix-seh-rev3, Built by MinGW-W64 project) 11.2.0
        Copyright (C) 2021 Free Software Foundation, Inc.
        This is free software; see the source for copying conditions.  There is NO
        warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
        
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        • J jasoney

          @Christian-Ehrlicher
          I am using QT Creator 10.0.2
          Running C:\Qt\Tools\mingw1120_64\bin\g++.exe --version:

          g++.exe (x86_64-posix-seh-rev3, Built by MinGW-W64 project) 11.2.0
          Copyright (C) 2021 Free Software Foundation, Inc.
          This is free software; see the source for copying conditions.  There is NO
          warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
          
          J Offline
          J Offline
          jasoney
          wrote on last edited by
          #6

          Update: QMake works.

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          • J jasoney

            Update: QMake works.

            J Offline
            J Offline
            jasoney
            wrote on last edited by
            #7

            I might just try reinstalling Qt.

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            • J jasoney

              I am trying out Qt for the first time. When I tried to build the coffee machine example, CMake gave this error, and I haven't been able to solve it.

              Running C:\cygwin64\bin\cmake.exe -S C:/Qt/Examples/Qt-6.5.1/demos/calqlatr -B C:/Qt/Examples/Qt-6.5.1/demos/build-calqlatr-Desktop_Qt_6_5_1_MinGW_64_bit-Debug in C:\Qt\Examples\Qt-6.5.1\demos\build-calqlatr-Desktop_Qt_6_5_1_MinGW_64_bit-Debug.
              -- The CXX compiler identification is unknown
              CMake Error at CMakeLists.txt:5 (project):
                The CMAKE_CXX_COMPILER:
              
                  C:/Qt/Tools/mingw1120_64/bin/g++.exe
              
                is not a full path and was not found in the PATH.
              
                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!
              CMake process exited with exit code 1.
              
              jsulmJ Offline
              jsulmJ Offline
              jsulm
              Lifetime Qt Champion
              wrote on last edited by
              #8

              @jasoney said in Unable to build example projects due to CMake error:

              C:\cygwin64\bin\cmake.exe

              I'm not sure but can't you install CMake via Qt installer?

              https://forum.qt.io/topic/113070/qt-code-of-conduct

              J 1 Reply Last reply
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              • jsulmJ jsulm

                @jasoney said in Unable to build example projects due to CMake error:

                C:\cygwin64\bin\cmake.exe

                I'm not sure but can't you install CMake via Qt installer?

                J Offline
                J Offline
                jasoney
                wrote on last edited by
                #9

                Using the QT CMake installation gives me this error:

                Running C:\Qt\Tools\CMake_64\bin\cmake.exe -S C:/Qt/Examples/Qt-6.5.1/demos/coffee -B C:/Qt/Examples/Qt-6.5.1/demos/build-coffee-Desktop_Qt_6_5_1_MinGW_64_bit-Debug in C:\Qt\Examples\Qt-6.5.1\demos\build-coffee-Desktop_Qt_6_5_1_MinGW_64_bit-Debug.
                CMake Error at CMakeLists.txt:5 (project):
                  Running
                
                   '/cygdrive/c/Qt/Tools/Ninja/ninja.exe' '--version'
                
                  failed with:
                
                   The system cannot find the file specified
                
                Christian EhrlicherC 1 Reply Last reply
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                • J jasoney

                  Using the QT CMake installation gives me this error:

                  Running C:\Qt\Tools\CMake_64\bin\cmake.exe -S C:/Qt/Examples/Qt-6.5.1/demos/coffee -B C:/Qt/Examples/Qt-6.5.1/demos/build-coffee-Desktop_Qt_6_5_1_MinGW_64_bit-Debug in C:\Qt\Examples\Qt-6.5.1\demos\build-coffee-Desktop_Qt_6_5_1_MinGW_64_bit-Debug.
                  CMake Error at CMakeLists.txt:5 (project):
                    Running
                  
                     '/cygdrive/c/Qt/Tools/Ninja/ninja.exe' '--version'
                  
                    failed with:
                  
                     The system cannot find the file specified
                  
                  Christian EhrlicherC Online
                  Christian EhrlicherC Online
                  Christian Ehrlicher
                  Lifetime Qt Champion
                  wrote on last edited by
                  #10

                  Remove all cygwin related stuff from your PATH env var.

                  Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
                  Visit the Qt Academy at https://academy.qt.io/catalog

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                  • Christian EhrlicherC Christian Ehrlicher

                    Remove all cygwin related stuff from your PATH env var.

                    J Offline
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                    jasoney
                    wrote on last edited by
                    #11

                    @Christian-Ehrlicher I still get the same error

                    Christian EhrlicherC 1 Reply Last reply
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                    • J jasoney

                      @Christian-Ehrlicher I still get the same error

                      Christian EhrlicherC Online
                      Christian EhrlicherC Online
                      Christian Ehrlicher
                      Lifetime Qt Champion
                      wrote on last edited by
                      #12

                      @jasoney said in Unable to build example projects due to CMake error:

                      I still get the same error

                      Remove the build dir and run cmake again, if it still complains about it you still have a cygwin PATH somewhere - remove it.

                      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
                      Visit the Qt Academy at https://academy.qt.io/catalog

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                      • Christian EhrlicherC Christian Ehrlicher

                        @jasoney said in Unable to build example projects due to CMake error:

                        I still get the same error

                        Remove the build dir and run cmake again, if it still complains about it you still have a cygwin PATH somewhere - remove it.

                        J Offline
                        J Offline
                        jasoney
                        wrote on last edited by
                        #13

                        @Christian-Ehrlicher Fixed it 👍 Thank you

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