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Qt app for windows XP

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  • hskoglundH hskoglund

    That misbehaved update from Microsoft last year which caused the sprintf_s error, it seems not to have touched msvcrt.dll directly, but rather some other files, but msvcrt.dll got the raw deal :-(

    msvcrt.dll is somewhat of an unwanted child from Microsoft's point of view, for example here's what Raymond Chen writes: https://devblogs.microsoft.com/oldnewthing/20140411-00/?p=1273

    ODБOïO Offline
    ODБOïO Offline
    ODБOï
    wrote on last edited by
    #18

    @hskoglund said in Qt app for windows XP:

    for example here's what Raymond Chen writes: https://devblogs.microsoft.com/oldnewthing/20140411-00/?p=1273

    a real nightmare the story of this dll, just like my day ^^

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    • hskoglundH hskoglund

      @LeLev Don't forget that line in your .pro file:

      QMAKE_LFLAGS_WINDOWS = /SUBSYSTEM:WINDOWS,5.01
      

      P.S. Just tried an empty vanilla Qt 5.6.3 MinGW49_32 QtQuick QML project (where you see Hello World in the middle of 640x480 window. Built on Windows 10 and tested on Windows XP, worked fine without that sprintf_s error, the msvcrt.dll on that Windows XP has version 7.0.2600.5512.

      Anyway, since MSVC2013 is Microsoft own stuff, it's more likely to survive as the years go by :-)

      ODБOïO Offline
      ODБOïO Offline
      ODБOï
      wrote on last edited by
      #19

      @hskoglund said in Qt app for windows XP:

      Don't forget that line in your .pro file:
      QMAKE_LFLAGS_WINDOWS = /SUBSYSTEM:WINDOWS,5.01

      i have error in compilation output saying
      g++: error: /SUBSYSTEM:WINDOWS,5.01: No such file or directory

      if i add this to my pro file
      QMAKE_LFLAGS_WINDOWS = /SUBSYSTEM:WINDOWS,5.01

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      • hskoglundH Offline
        hskoglundH Offline
        hskoglund
        wrote on last edited by hskoglund
        #20

        That line is only applicable if you use the MSVC2013 compiler

        Edit: to satisfy both compilers, we can use a prefix, change the line to

        win32-msvc:QMAKE_LFLAGS_WINDOWS = /SUBSYSTEM:WINDOWS,5.01
        
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        • ODБOïO Offline
          ODБOïO Offline
          ODБOï
          wrote on last edited by
          #21

          @hskoglund said in Qt app for windows XP:

          QMAKE_LFLAGS_WINDOWS = /SUBSYSTEM:WINDOWS,5.01

          oh ok! my bad, i was still trying with minGw

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          • ODБOïO Offline
            ODБOïO Offline
            ODБOï
            wrote on last edited by ODБOï
            #22

            @hskoglund , @JonB

            apparently qt-opensource-windows-x86-msvc2013-5.6.0 that i just installed doas not configure kits automatically,

            i have no compiler and no debugger in the kit, so i cant compile the project

            do i have to download the compiler separately ? i dont see it in my qt 5.6 install dir C:\Qt\Qt5.6.0\5.6\msvc2013\bin nor in C:\Qt\Qt5.6.0\Tools\

            compiler column is empty here..
            https://doc.qt.io/archives/qt-5.6/supported-platforms.html

            hskoglundH 1 Reply Last reply
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            • ODБOïO ODБOï

              @hskoglund , @JonB

              apparently qt-opensource-windows-x86-msvc2013-5.6.0 that i just installed doas not configure kits automatically,

              i have no compiler and no debugger in the kit, so i cant compile the project

              do i have to download the compiler separately ? i dont see it in my qt 5.6 install dir C:\Qt\Qt5.6.0\5.6\msvc2013\bin nor in C:\Qt\Qt5.6.0\Tools\

              compiler column is empty here..
              https://doc.qt.io/archives/qt-5.6/supported-platforms.html

              hskoglundH Offline
              hskoglundH Offline
              hskoglund
              wrote on last edited by
              #23

              @LeLev try
              https://visualstudio.microsoft.com/vs/older-downloads/

              ODБOïO 1 Reply Last reply
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              • hskoglundH hskoglund

                @LeLev try
                https://visualstudio.microsoft.com/vs/older-downloads/

                ODБOïO Offline
                ODБOïO Offline
                ODБOï
                wrote on last edited by ODБOï
                #24

                @hskoglund ok i will download vs2013 and try to use the c++ compiler from it
                thank you

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                • hskoglundH Offline
                  hskoglundH Offline
                  hskoglund
                  wrote on last edited by
                  #25

                  If, after you've installed MSVC2013, you cannot persuade Qt to recognize that compiler/kit, one workaround is to uninstall Qt 5.6 MSVC2013 and then install it in Qt again.

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                  • ODБOïO Offline
                    ODБOïO Offline
                    ODБOï
                    wrote on last edited by
                    #26

                    @jsulm @hskoglund @JonB
                    Thank you so much!
                    my application now works on XP.
                    all i have to do now is re-write most of the qml code because i have to switch from qt quick controls 2 to controls 1

                    hskoglundH 1 Reply Last reply
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                    • ODБOïO ODБOï

                      @jsulm @hskoglund @JonB
                      Thank you so much!
                      my application now works on XP.
                      all i have to do now is re-write most of the qml code because i have to switch from qt quick controls 2 to controls 1

                      hskoglundH Offline
                      hskoglundH Offline
                      hskoglund
                      wrote on last edited by
                      #27

                      @LeLev Now there's one reason to try 5.7 instead of 5.6 (I use MSVC2013 with Qt. 5.7.1 for Windows XP) because I think qt quick controls 2 works in 5.7...

                      ODБOïO 1 Reply Last reply
                      1
                      • hskoglundH hskoglund

                        @LeLev Now there's one reason to try 5.7 instead of 5.6 (I use MSVC2013 with Qt. 5.7.1 for Windows XP) because I think qt quick controls 2 works in 5.7...

                        ODБOïO Offline
                        ODБOïO Offline
                        ODБOï
                        wrote on last edited by
                        #28

                        @hskoglund good, maybe i will try it. But i already adapted everything to work with controls 1
                        thank you for the information.
                        Right now im trying to "optimize" some things because the application is very slow on the XP, i guess it will be even slower if i use controls 2

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