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Building App on Qt 4.8.5 - Missing Directories or Qt Cannot find them

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qt 4.8.5armopengl
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    samapollo
    wrote on 29 Jun 2016, 12:58 last edited by
    #10

    Hey guys,
    So I figured out how to fix this issue. In the .pro file add this line:\

    INCLUDEPATH = ("/usr/include/qt4")

    If you are using a different version of qt, just change the number and/or directory to fit your system and build

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      samapollo
      wrote on 29 Jun 2016, 13:08 last edited by
      #11

      Now I am just having issues with QWidget
      Again saying it cannot be found.

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        SGaist
        Lifetime Qt Champion
        wrote on 29 Jun 2016, 13:49 last edited by
        #12

        How did you install that Qt 4.8.5 ?

        Also note, that it's pretty old, if you can't go with Qt 5, at least try to go with 4.8.7

        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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          samapollo
          wrote on 29 Jun 2016, 15:11 last edited by
          #13

          Nvm still terminating Saying QtOpenGl is not working.

          [main.o] Error 1

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            samapollo
            wrote on 29 Jun 2016, 15:16 last edited by samapollo
            #14

            Well its a cross compiled qt for ARM on Ubuntu.
            I followed this guide:
            https://forum.qt.io/topic/52546/tuto-build-qt-to-cross-compile-for-arm/2
            Should I just reinstall/build for a new version?
            No matter what I do I get this stupid QtOpenGL fatal compile error
            @SGaist

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              SGaist
              Lifetime Qt Champion
              wrote on 29 Jun 2016, 20:26 last edited by
              #15

              Did you check the configure summary ?

              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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                samapollo
                wrote on 30 Jun 2016, 08:51 last edited by
                #16

                @SGaist
                No, how do I create that?

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                  samapollo
                  wrote on 30 Jun 2016, 09:22 last edited by samapollo
                  #17

                  Now i'm Having and issue with <GL/gl.h> saying it cannot be found.

                  No more issues with <QtOpenGL/QGLWidget> though.

                  Not sure what to do here. I have installed everything necessary for OpenGL.

                  @Qt-Champions-2014

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                    samapollo
                    wrote on 30 Jun 2016, 10:49 last edited by
                    #18

                    This is my .pro file

                    Automatically generated by qmake (2.01a) Thu Oct 4 19:01:12 2007

                    TEMPLATE = app
                    TARGET = loose_cannon
                    CONFIG -= app_bundle
                    DEPENDPATH += .
                    INCLUDEPATH = /usr/include/qt4
                    QT += opengl
                    QT = core gui
                    QT += gui declarative
                    QT += widgets
                    LIBS += -L /usr/lib/ -llibQtOpenGL.so.4.6.2
                    LIBS += IGL
                    LIBS += lfreeglut
                    LIBS += -lglut
                    LIBS += -lX11 -lXi -lXmu -lglut -lGL -lGLU -lm

                    Input

                    SOURCES += main.cpp
                    model.cpp
                    ui/window.cpp
                    ui/ui.cpp
                    ui/controller.cpp
                    ui/cbutton.cpp
                    node.cpp
                    ui/hudobject.cpp
                    ui/radar.cpp
                    ui/hudicon.cpp
                    entity.cpp
                    unit.cpp
                    tank.cpp
                    soundbank.cpp
                    soundthread.cpp
                    SOURCES += glwidget.cpp
                    SOURCES += mainwindow.cpp
                    SOURCES += glm.cpp
                    HEADERS += glwidget.h
                    model.h
                    ui/window.h
                    ui/ui.h
                    ui/controller.h
                    ui/cbutton.h
                    node.h
                    ui/hudobject.h
                    ui/radar.h
                    ui/hudicon.h
                    entity.h
                    unit.h
                    tank.h
                    soundbank.h
                    soundthread.h
                    HEADERS += mainwindow.h
                    HEADERS += glm.h
                    RESOURCES +=
                    QT += opengl
                    multimedia

                    unix {
                    QMAKE_POST_LINK = cp -R ../loose_cannon/data .;
                    }
                    win32 {
                    QMAKE_POST_LINK = xcopy ..\loose_cannon\data*.* data /e;
                    }

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                      SGaist
                      Lifetime Qt Champion
                      wrote on 30 Jun 2016, 21:53 last edited by
                      #19

                      You have an error in your .pro file. Right after the QT += opengl line you have QT = core gui which resets the content of the variable to core gui. That's why you can't get the OpenGL module.

                      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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                      30 Jun 2016, 21:53

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