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how to solve the problem lnk error

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  • nicker playerN Offline
    nicker playerN Offline
    nicker player
    wrote on last edited by
    #1

    libboost\x86_32_msv\boost_locale-vc141-mt-x32-1_84.dll : fatal error LNK1107: the file is invalid or broken.could not read at 0x2C0

    I used the msv 2017 and qt 5.14.1 for compiling the program.
    and the program based on the boost libs.
    unfortunatly i compiled successfully once time.but after that.the program always occured the errors.

    here s the detail information:
    1.libboost depends on x86 address-model=32 link=shared runtime-link=shared threading=multi.
    in fact,not only the boost libs is the problem.other libs is the same tips.such as the libssl .i dont know why. maybe is it related to the compile args?
    LIBS += lib/libopenssl/libssl-3.dll
    LIBS += lib/libopenssl/libcrypto-3.dll
    LIBS +=lib/libboost/boost_url-vc141-mt-x32-1_84.dll
    2.here 's the qt kits settings
    facda4d9-adee-460b-aa05-9f838bbdb08a-image.png
    639be15a-6223-40b5-ac45-227bc5401f99-image.png
    3. here's the pro settings.
    QT += core
    TEMPLATE = lib
    CONFIG += c++17 dll

    jsulmJ 1 Reply Last reply
    0
    • nicker playerN nicker player

      libboost\x86_32_msv\boost_locale-vc141-mt-x32-1_84.dll : fatal error LNK1107: the file is invalid or broken.could not read at 0x2C0

      I used the msv 2017 and qt 5.14.1 for compiling the program.
      and the program based on the boost libs.
      unfortunatly i compiled successfully once time.but after that.the program always occured the errors.

      here s the detail information:
      1.libboost depends on x86 address-model=32 link=shared runtime-link=shared threading=multi.
      in fact,not only the boost libs is the problem.other libs is the same tips.such as the libssl .i dont know why. maybe is it related to the compile args?
      LIBS += lib/libopenssl/libssl-3.dll
      LIBS += lib/libopenssl/libcrypto-3.dll
      LIBS +=lib/libboost/boost_url-vc141-mt-x32-1_84.dll
      2.here 's the qt kits settings
      facda4d9-adee-460b-aa05-9f838bbdb08a-image.png
      639be15a-6223-40b5-ac45-227bc5401f99-image.png
      3. here's the pro settings.
      QT += core
      TEMPLATE = lib
      CONFIG += c++17 dll

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @nicker-player said in how to solve the problem lnk error:

      libboost\x86_32_msv\boost_locale-vc141-mt-x32-1_84.dll : fatal error LNK1107: the file is invalid or broken.could not read at 0x2C0

      Did you try to reinstall Boost?
      Are you sure you're using x86 and not x86_64 Kit to build?

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

      1 Reply Last reply
      0
      • nicker playerN Offline
        nicker playerN Offline
        nicker player
        wrote on last edited by
        #3

        yeah ,i used the x86 platform of the compile tools and libs.I just wondered if is it nessary that the dll file needed the lib module?

        1 Reply Last reply
        0
        • Christian EhrlicherC Offline
          Christian EhrlicherC Offline
          Christian Ehrlicher
          Lifetime Qt Champion
          wrote on last edited by
          #4

          You can not link directly against a DLL, you need the static import lib. But that's nothing Qt or boost specific.

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

          jsulmJ 1 Reply Last reply
          3
          • Christian EhrlicherC Christian Ehrlicher

            You can not link directly against a DLL, you need the static import lib. But that's nothing Qt or boost specific.

            jsulmJ Offline
            jsulmJ Offline
            jsulm
            Lifetime Qt Champion
            wrote on last edited by
            #5

            @Christian-Ehrlicher @nicker-player Forgot about it.
            @nicker-player yes, you need to add *.lib to LIBS, not *.dll.
            *.lib - needed for linking
            *.dll - needed at runtime

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

            1 Reply Last reply
            1
            • nicker playerN Offline
              nicker playerN Offline
              nicker player
              wrote on last edited by
              #6

              someone told me that the c++ class dlls which the mingw compiled could not be used by the vs compiling tools,is it true?
              or is it possible that if I used the vs dumpbin and lib.exe to export the libs from the dlls,so that the vs compiling tools could recognize the dlls?

              1 Reply Last reply
              0
              • Christian EhrlicherC Offline
                Christian EhrlicherC Offline
                Christian Ehrlicher
                Lifetime Qt Champion
                wrote on last edited by
                #7

                You can not mix c++ libraries compile for MinGW and MSVC.

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

                1 Reply Last reply
                3

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