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QtCreator and cURL - final showdown.

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

    Your libraries are binary incompatible: you are trying to link a 64 bit library to a 32 bit program. That will not work. Arhcitectures and compilers must match.

    (Z(:^

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    0
    • J Offline
      J Offline
      jareq000
      wrote on last edited by
      #3

      I tried compile program with MinGW64. Win32 - MSVC also didn't work.
      I don't know, why there is no cURL MinGW32.

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      0
      • sierdzioS Offline
        sierdzioS Offline
        sierdzio
        Moderators
        wrote on last edited by
        #4

        Compile curl yourself, using the compiler from Qt package, then compile your application using the same compiler.

        (Z(:^

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        • J Offline
          J Offline
          jareq000
          wrote on last edited by
          #5

          I find cURL MinGW32 - didn't work. The same fail.
          I don't know, how to compile this. It is difficult for me.
          I must download Source Archives - curl 7.37.1.zip, yes?
          I need to use QtCreator or only MinGW and command line?

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

            Then maybe easier option is to download the 64 bit Qt package?

            (Z(:^

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            • J Offline
              J Offline
              jareq000
              wrote on last edited by
              #7

              Yes, but MinGW is only in version Qt 32b. I don't know why.

              Erlier I have a problem with version Qt VS, programs didn't compile, so I download MinGW. But some problems still are.

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

                I'm so happy to be developing on Linux ;-) Problems like that are pretty much unheard of here.

                Maybe there were problems with MinGW64 on Windows, so they have dropped the package, I don't know. You can try compiling Qt yourself, although it's not so easy on Windows.

                (Z(:^

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                • J Offline
                  J Offline
                  jareq000
                  wrote on last edited by
                  #9

                  So, now:
                  Qt, MinGW and cURL are for Windows 32-bit, and problem is not solved. Why?
                  I need to add some packages?
                  Do I something wrong?

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

                    They might have been compiled using different version of MinGW. Some versions are not compatible with one another...

                    or something else is wrong. One thing is certain: the error you are getting is a linker error, so there is no bug on the C++ side.

                    (Z(:^

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                    • J Offline
                      J Offline
                      jareq000
                      wrote on last edited by
                      #11

                      Problem solved, but not completly.
                      All libcurl sources I moved to project folder, and I add:
                      @INCLUDEPATH += C:...\curl-7.34.0-devel-mingw32\include
                      LIBS += C:...\curl-7.34.0-devel-mingw32\lib\libcurldll.a
                      LIBS += C:...\curl-7.34.0-devel-mingw32\lib\libcurl.a
                      @
                      But programs exited with code -1073741515, what is the same as 0xC0000135 -> problem with dependency...

                      The Fight Continues...

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #12

                        Hi,

                        You're application is probably not finding the libcurld dll. In Qt Creator go to Project -> run -> PATH and add the path to the folder containing the curl dll

                        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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                        0
                        • J Offline
                          J Offline
                          jareq000
                          wrote on last edited by
                          #13

                          I added path the libcurl dll (to Projects -> Run -> Run Environment -> Path), but nothing changes.
                          Still " programs exited with code -1073741515"

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                          0
                          • sierdzioS Offline
                            sierdzioS Offline
                            sierdzio
                            Moderators
                            wrote on last edited by
                            #14

                            What happens when you run with the debugger?

                            (Z(:^

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                            0
                            • J Offline
                              J Offline
                              jareq000
                              wrote on last edited by
                              #15

                              "The gdb process terminated unexpectedely (code 0)"
                              "Cannot continue debugged process: The program is not being run"
                              and
                              "During startup program exited with code 0xc0000135"

                              Even when I close the terminal window, program is still running (when I want to quit Qt I get a message "Do you want to force quit untitled.exe?)

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                              • J Offline
                                J Offline
                                jareq000
                                wrote on last edited by
                                #16

                                I installed Qt Creator 64 bit, Visual Studio 2013, cURL 64bit, and I have
                                "Cannot obtain a handle to the inferior: The parameter is incorrect."
                                So I cleaning project, and again
                                "exited with code -1073741515"

                                Files are now in release folder
                                @INCLUDEPATH += C:\Users...\build-one-Qt_64bit-Release\curl-7.34.0-devel-mingw64\include
                                LIBS += C:\Users...\build-one-Qt_64bit-Release\curl-7.34.0-devel-mingw64\lib64\libcurldll.a
                                LIBS += C:\Users...\build-one-Qt_64bit-Release\curl-7.34.0-devel-mingw64\lib64\libcurl.a
                                @

                                Any suggestions?

                                Edit:
                                Qt ask about "curl.lib", so I find it and copy to lib files.
                                Now Qt want "curldll.lib" and these file I can't find.
                                Why are they needed? .dll files are not enough?

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                                • J Offline
                                  J Offline
                                  jareq000
                                  wrote on last edited by
                                  #17

                                  Finally, problem solved.
                                  I run untitled.exe form explorer, and message shown, which dll is necessary.
                                  So I download some dll's and it's work.
                                  Thanks for response.

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