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(resolved) adding versions of the libraries (was: Creator: size_t/ssize_t not recognized)

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  • JKSHJ Offline
    JKSHJ Offline
    JKSH
    Moderators
    wrote on last edited by
    #19

    AFAIK, Creator is (should be) capable of handling all supported compilers at once; there's no compiler-specific version of Creator, unlike the Qt libraries.

    Your error message originated from this source file: http://qt.gitorious.org/qt-creator/qt-creator/blobs/master/src/plugins/qtsupport/baseqtversion.cpp You could try reverse-engineering it to see what Creator thinks is missing

    Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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    • mzimmersM Offline
      mzimmersM Offline
      mzimmers
      wrote on last edited by
      #20

      OK...I think I have it working now.

      For posteriority, here's what I did:

      • I deleted everything from my Qt install (using the maintenance tool and then deleting the other directories with the libs, etc.), and reinstalled from scratch:

      QtSDK 1.2.1

      Qt Libs 4.8.3 (MinGW 4.4)

      Qt Creator 2.5.2

      • Manually added the MinGW tool chain (even though there was already an entry), selected the g++.exe binary and the pythongdb debugger.

      • Manually added 4.8.3 to my Qt Versions.

      • Selected 4.8.3 in my build settings.

      And now I seem to be back in battery.

      Thanks for all the help, JKSH...I appreciate it.

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      • mzimmersM Offline
        mzimmersM Offline
        mzimmers
        wrote on last edited by
        #21

        OK, I may have a new issue here. As noted above, I got this working with MinGW, which I'd installed into C:\Qt\4.8.3 per the installers recommendation. Today I was going to try to install the libraries for MSVC, and the installer wants to install into the same location as above. If I do this, I'm going to overwrite files and cause general confusion, right?

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        • JKSHJ Offline
          JKSHJ Offline
          JKSH
          Moderators
          wrote on last edited by
          #22

          Yep, installing into the same folder would do bad things :)

          You can choose ANY new folder you want -- it won't affect Qt's ability to function. Even C:\PacMan\ will do, but I'd suggest something along the lines of C:\Qt\4.8.3_msvc\

          P.S. And for consistency, the other installation could go into C:\Qt\4.8.3_mingw\ , but it's not necessary to disturb your private installation, if you can remember which is which

          Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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          • mzimmersM Offline
            mzimmersM Offline
            mzimmers
            wrote on last edited by
            #23

            Yeah, that's what I figured. Since I already installed the MinGW version into \Qt\4.8.3, I guess I should remove this and re-install, huh?

            Thanks.

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            • JKSHJ Offline
              JKSHJ Offline
              JKSH
              Moderators
              wrote on last edited by
              #24

              You're welcome. :) Whether you remove and reinstall or not is completely up to you -- Qt doesn't care. I would do it, because (1) I like a tidy and consistent computing environment, and (2) Qt Creator displays the name of your installation root in your "Qt Versions" list

              Actually, point (2) made me realize something: It probably looks nicer to install into C:\Qt\4.8.3\mingw\ and C:\Qt\4.8.3\msvc2010\ instead of C:\Qt\4.8.3_mingw\ and C:\Qt\4.8.3_msvc\ ... because Qt Creator will then say

              "Qt 4.8.3 (mingw)" and "Qt 4.8.3 (msvc2010)"
              instead of
              "Qt 4.8.3 (4.8.3_mingw)" and "Qt 4.8.3 (4.8.3_msvc)"

              Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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              • mzimmersM Offline
                mzimmersM Offline
                mzimmers
                wrote on last edited by
                #25

                This is very useful; I think I'm almost there. Should I create a manual entry for the MSVC tool chain like I did for MinGW?

                Edit:

                I'm also getting some linker errors, stemming from my attempt to use sockets. According to the Microsoft online documentation, I should be including this library (which I am):

                @_WIN32:libs += "C:/Program Files (x86)/Windows Kits/8.0/Lib/win8/um/x86/ws2_32.lib"@

                Any idea what might be going on here?

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                • JKSHJ Offline
                  JKSHJ Offline
                  JKSH
                  Moderators
                  wrote on last edited by
                  #26

                  Pretty much.

                  I've always found manual setup easier than auto-detection, since I don't need to worry about the order of installation (the latter requires a library-and-then-Creator order). Also, I can remove/upgrade my manual installation at any time -- Creator will complain if an auto-detected library is removed, and won't auto-detect a version upgrade.

                  Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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                  • mzimmersM Offline
                    mzimmersM Offline
                    mzimmers
                    wrote on last edited by
                    #27

                    Thanks, JKSH. I got the libraries properly installed, and can build with MinGW. Trying to build with MSVC is giving me some problems that aren't Qt/Creator related, so I'm getting help in another forum for those.

                    More as it happens...

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                    • mzimmersM Offline
                      mzimmersM Offline
                      mzimmers
                      wrote on last edited by
                      #28

                      OK, I think I'm really close to wrapping this up. Here's the final (for now!) loose end:

                      MinGW and MSVC use different libraries for socket functions. MSVC uses ws2_32.lib, which I believe is the "standard" library for this purpose. MinGW, on the other hand, uses libws2_32.a.

                      So...how do I create entries in my .pro file that will work for both tool chains? (I assume that I want to use the different libraries for the respective tool chains.)

                      Thanks.

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                      • JKSHJ Offline
                        JKSHJ Offline
                        JKSH
                        Moderators
                        wrote on last edited by
                        #29

                        Hmm... I'm not sure. Does the `-lws2_32' flag not work for both versions of the library?

                        It might be worth starting a new thread, to get a new set of eyes.

                        Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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                        • mzimmersM Offline
                          mzimmersM Offline
                          mzimmers
                          wrote on last edited by
                          #30

                          I wasn't familiar with that flag. How does one set linker flags within Creator? I tried using the QMAKE_LFLAGS option in my .pro file, but that didn't work (probably because it isn't a qmake flag).

                          Thanks.

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                          • JKSHJ Offline
                            JKSHJ Offline
                            JKSH
                            Moderators
                            wrote on last edited by
                            #31

                            @
                            LIBS += -lws2_32
                            @

                            (although, I just realized it might be a GCC flag)

                            Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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                            • mzimmersM Offline
                              mzimmersM Offline
                              mzimmers
                              wrote on last edited by
                              #32

                              Ahh...I didn't realize that LIBS did double duty (specifying both libraries and flags). Excellent, and thanks for all the help.

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                              • JKSHJ Offline
                                JKSHJ Offline
                                JKSH
                                Moderators
                                wrote on last edited by
                                #33

                                No problem :) Glad to hear that your setup has finally succeeded

                                Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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