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Failed to start program. Path or permissions wrong?

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  • C Offline
    C Offline
    clouca
    wrote on last edited by
    #1

    I built the project. Bulding succeded but the executable file is not there so i receive the message 'Failed to start program. Path or permissions wrong?' Naturally the programm cannot be executed because it is not created but Qt tells that the build succeded. I use linux Mint Nandia.
    The project is already built and work in another directory, but i made changes and i want to rebuild it.
    Please help. If you need further information i can tell you..

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    • sierdzioS Offline
      sierdzioS Offline
      sierdzio
      Moderators
      wrote on last edited by
      #2

      Oh, do tell us please :)

      Have you moved the project together with .pro.user file by any chance? If so, first delete the .pro.user file, then open the project again.

      If that is not the case, I would start by checking your .pro file, especially whether DESTDIR is set, or some INSTALLS stuff maybe. Also, check what happens when you toggle Shadow building in project options.

      (Z(:^

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      • C Offline
        C Offline
        clouca
        wrote on last edited by
        #3

        i deleted the .pro.user and made the configuration from the begining and still the same error. i don't want to play with shadow building because i don't want to loose my backup. another idea?

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        • sierdzioS Offline
          sierdzioS Offline
          sierdzio
          Moderators
          wrote on last edited by
          #4

          Check console output when doing a full rebuild - maybe linker has problems in writing the output file?

          (Z(:^

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          • C Offline
            C Offline
            clouca
            wrote on last edited by
            #5

            Thanks for your fast answer.. Where can i find console ?

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            • sierdzioS Offline
              sierdzioS Offline
              sierdzio
              Moderators
              wrote on last edited by
              #6

              Hit Alt-4 in Qt Creator, or click on "Compile Output" button at the bottom of Qt Creator's window.

              (Z(:^

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              • C Offline
                C Offline
                clouca
                wrote on last edited by
                #7

                Yes i get an error there..
                make[1]: Entering directory ....Desktop_Qt_5_0_2_GCC_64bit-Debug' make[1]: Nothing to be done for first'.
                make[1]: Leaving directory `...Desktop_Qt_5_0_2_GCC_64bit-Debug'

                i hided the full path for obvious reasons.. :)

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                • sierdzioS Offline
                  sierdzioS Offline
                  sierdzio
                  Moderators
                  wrote on last edited by
                  #8

                  That looks like shadow building in works.

                  "Nothing to be done for 'first'" is standard make message. It's not an error as such - usually it means that the project is already built and there is no need to compile again.

                  (Z(:^

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                  • C Offline
                    C Offline
                    clouca
                    wrote on last edited by
                    #9

                    heh that's the problem, the project did not create and executable... in the folder there are only 3 files Makefile Makefile.debug and Makefile.release..

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                    • sierdzioS Offline
                      sierdzioS Offline
                      sierdzio
                      Moderators
                      wrote on last edited by
                      #10

                      Delete those makefiles.

                      But we're running in circles here, I'm afraid. I'm sure I've run into a similar problem before, but I don't remember what was the solution. We're probably missing something obvious.

                      (Z(:^

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                      • C Offline
                        C Offline
                        clouca
                        wrote on last edited by
                        #11

                        Yes i know that we are making circles. I will try now removing these make files.. please remember :)

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                        • C Offline
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                          clouca
                          wrote on last edited by
                          #12

                          i made a backup of whole project and remove shadow build and works. but i don't think that is a solution.
                          it is a semisolution i think..;)

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                          • C Offline
                            C Offline
                            clouca
                            wrote on last edited by
                            #13

                            it was not a solution finally. the project always executes the old executable file. the problem is that Qt builds successfull but the executable file is not created...

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                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #14

                              Hi,
                              in this case, are you sure your project is setup correctly ? Could you share the pro file ?

                              Interested in AI ? www.idiap.ch
                              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                              • K Offline
                                K Offline
                                koahnig
                                wrote on last edited by
                                #15

                                This may be similar problems as I had lately. However, I am on Windows 7 with creator 2.6.
                                I have a rather large project based on subdirs with some libs shared by a couple of applications.
                                I noted that changing the source with some debug statements and in the debugger there was no influence on what I had changed. As I found out later Qt creator compiled and linked always the release version only for this particular application. I did the whole bucket of things rebuild, clean and build (as separate steps) also at least some partly "Run qmake" until I found out what happened. In my case it was cured by "Run qmake" for the whole subdirs project. Suddenly the debug build was created.
                                It sounds a bit weird, but I assume Qt creator somehow looses track when switching between release and debug modes. IMO not really a logical behaviour, but I do not know what is actually happening in qt creator.

                                Especially if you have a complex project, try "Run qmake".

                                Vote the answer(s) that helped you to solve your issue(s)

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                                • C Offline
                                  C Offline
                                  clouca
                                  wrote on last edited by
                                  #16

                                  Yes it's very weird.. I am thinking to switch it in windows for better luck. I run linux on virtual machine, does this make any difference ?

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                                  • K Offline
                                    K Offline
                                    koahnig
                                    wrote on last edited by
                                    #17

                                    [quote author="clouca" date="1367858735"]Yes it's very weird.. I am thinking to switch it in windows for better luck. I run linux on virtual machine, does this make any difference ?[/quote]
                                    Do not know. I have not used Qt creator lately on a virtual machine.

                                    [quote author="SGaist" date="1367847901"]Hi,
                                    in this case, are you sure your project is setup correctly ? Could you share the pro file ?[/quote]
                                    at clouca: that is an option. Maybe someone sees an issue.

                                    Do you have a complex project?

                                    Vote the answer(s) that helped you to solve your issue(s)

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                                    • C Offline
                                      C Offline
                                      clouca
                                      wrote on last edited by
                                      #18

                                      Yes it is a project with 5 subfolders..

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                                      • SGaistS Offline
                                        SGaistS Offline
                                        SGaist
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #19

                                        Since it's a subfolder project, how do you setup your DESTDIR variables ?

                                        Interested in AI ? www.idiap.ch
                                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                        • C Offline
                                          C Offline
                                          clouca
                                          wrote on last edited by
                                          #20

                                          Thanks all of you for your answers. SGaist I will check tomorrow and tell you.
                                          Thanks

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