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lnk2019 with opencv treshold

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #8

    Is it the only symbol that fails the build ?

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

    1 Reply Last reply
    0
    • S Offline
      S Offline
      superdu
      wrote on last edited by
      #9

      if i use imshow, i have this problem too. but i can use Mat. By the way i use msvc2019 (32 and 64). at the beginning i thought it was the problem. So i tried to compile it with msvc2015 but still the same problem... and i can use this functions on visual studio... the only difference is the IDE so i think i miss something but what...

      1 Reply Last reply
      0
      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #10

        Just to make sure we are on the same base, can you describe your setup exactly ?
        Which IDE are you using ?
        Which exact compiler are you using ?
        Which compiler was used for OpenCV and for Qt ?

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

        1 Reply Last reply
        0
        • S Offline
          S Offline
          superdu
          wrote on last edited by
          #11

          for my project i use QtCreator but sometime, juste for test i use visual studio.
          for openCV i used the package manager vcpkg but as that work on my vs i think its compile with msvc2019.
          qt i just used the installer. i let here systems info from QtCreator:

          {noformat}
          Qt 5.15.2 (x86_64-little_endian-llp64 shared (dynamic) release build; by MSVC 2019) on "windows"
          OS: Windows 10 Version 2009 [winnt version 10.0.19042]

          Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2

          Environment:
          Qt5_DIR="D:\Qt\5.15.2\msvc2019_64"
          QtMsBuild="C:\Users\antoi\AppData\Local\QtMsBuild"

          Features: QT_NO_EXCEPTIONS

          Library info:
          PrefixPath: D:\Qt\Tools\QtCreator\bin
          DocumentationPath: D:\Qt\Tools\QtCreator\bin\doc
          HeadersPath: D:\Qt\Tools\QtCreator\bin\include
          LibrariesPath: D:\Qt\Tools\QtCreator\bin
          LibraryExecutablesPath: D:\Qt\Tools\QtCreator\bin\bin
          BinariesPath: D:\Qt\Tools\QtCreator\bin
          PluginsPath: D:\Qt\Tools\QtCreator\bin\plugins
          ImportsPath: D:\Qt\Tools\QtCreator\bin\imports
          Qml2ImportsPath: D:\Qt\Tools\QtCreator\bin\qml
          ArchDataPath: D:\Qt\Tools\QtCreator\bin
          DataPath: D:\Qt\Tools\QtCreator\bin
          TranslationsPath: D:\Qt\Tools\QtCreator\bin\translations
          ExamplesPath: D:\Qt\Tools\QtCreator\bin\examples
          TestsPath: D:\Qt\Tools\QtCreator\bin\tests
          SettingsPath:

          Standard paths [... denote writable entry]:
          DesktopLocation: "Desktop" C:\Users\antoi\OneDrive\Bureau
          DocumentsLocation: "Documents" C:\Users\antoi\OneDrive\Documents
          FontsLocation: "Fonts" C:\WINDOWS\Fonts
          ApplicationsLocation: "Applications" C:\Users\antoi\AppData\Roaming\Microsoft\Windows\Start Menu\Programs
          MusicLocation: "Music" C:\Users\antoi\Music
          MoviesLocation: "Movies" C:\Users\antoi\Videos
          PicturesLocation: "Pictures" C:\Users\antoi\OneDrive\Images
          TempLocation: "Temporary Directory" C:\Users\antoi\AppData\Local\Temp
          HomeLocation: "Home" C:\Users\antoi
          AppLocalDataLocation: "Application Data" C:\Users\antoi\AppData\Local\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag
          CacheLocation: "Cache" C:\Users\antoi\AppData\Local\QtProject\qtdiag\cache
          GenericDataLocation: "Shared Data" C:\Users\antoi\AppData\Local C:\ProgramData D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data
          RuntimeLocation: "Runtime" C:\Users\antoi
          ConfigLocation: "Configuration" C:\Users\antoi\AppData\Local\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag
          DownloadLocation: "Download" C:\Users\antoi\Downloads
          GenericCacheLocation: "Shared Cache" C:\Users\antoi\AppData\Local\cache
          GenericConfigLocation: "Shared Configuration" C:\Users\antoi\AppData\Local C:\ProgramData D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data
          AppDataLocation: "Application Data" C:\Users\antoi\AppData\Roaming\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag
          AppConfigLocation: "Application Configuration" C:\Users\antoi\AppData\Local\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag

          File selectors (increasing order of precedence):
          fr_FR windows winnt

          Network:
          Using "OpenSSL 1.1.1d 10 Sep 2019", version: 0x1010104f

          Platform capabilities: ThreadedPixmaps OpenGL ThreadedOpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement RasterGLSurface AllGLFunctionsQueryable

          Style hints:
          mouseDoubleClickInterval: 500
          mousePressAndHoldInterval: 800
          startDragDistance: 10
          startDragTime: 500
          startDragVelocity: 0
          keyboardInputInterval: 400
          keyboardAutoRepeatRate: 32
          cursorFlashTime: 1060
          showIsFullScreen: 0
          showIsMaximized: 0
          passwordMaskDelay: 0
          passwordMaskCharacter: U+25CF
          fontSmoothingGamma: 1
          useRtlExtensions: 0
          setFocusOnTouchRelease: 0
          tabFocusBehavior: Qt::TabFocusAllControls
          singleClickActivation: 0

          Additional style hints (QPlatformIntegration):
          ReplayMousePressOutsidePopup: 1

          Theme:
          Platforms requested : windows
          available : snap,flatpak,xdgdesktopportal
          Styles requested : WindowsVista,Windows
          available : windowsvista,Windows,Fusion
          System font : "MS Shell Dlg 2" 8
          Native file dialog

          Fonts:
          General font : "MS Shell Dlg 2" 8
          Fixed font : "Courier New" 9
          Title font : "MS Shell Dlg 2" 8
          Smallest font: "MS Shell Dlg 2" 8

          Palette:
          QPalette::WindowText: #ff000000
          QPalette::Button: #fff0f0f0
          QPalette::Light: #ffffffff
          QPalette::Midlight: #ffe3e3e3
          QPalette::Dark: #ffa0a0a0
          QPalette::Mid: #ffa0a0a0
          QPalette::Text: #ff000000
          QPalette::BrightText: #ffffffff
          QPalette::ButtonText: #ff000000
          QPalette::Base: #ffffffff
          QPalette::Window: #fff0f0f0
          QPalette::Shadow: #ff696969
          QPalette::Highlight: #ff0078d7
          QPalette::HighlightedText: #ffffffff
          QPalette::Link: #ff0000ff
          QPalette::LinkVisited: #ffff00ff
          QPalette::AlternateBase: #ffe9e7e3
          QPalette::NoRole: #ff000000
          QPalette::ToolTipBase: #ffffffdc
          QPalette::ToolTipText: #ff000000
          QPalette::PlaceholderText: #80000000

          Screens: 1, High DPI scaling: inactive

          0 "\.\DISPLAY1" Depth: 32 Primary: yes

          Manufacturer:
          Model:
          Serial number:
          Geometry: 1920x1080+0+0 Available: 1920x1040+0+0
          Physical size: 382x215 mm Refresh: 144 Hz Power state: 0
          Physical DPI: 127.665,127.591 Logical DPI: 96,96 Subpixel_None
          DevicePixelRatio: 1 Pixel density: 1
          Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

          Dynamic GL LibGL Vendor: NVIDIA Corporation
          Renderer: NVIDIA GeForce RTX 2060/PCIe/SSE2
          Version: 4.6.0 NVIDIA 466.63
          Shading language: 4.60 NVIDIA
          Format: Version: 4.6 Profile: 2 Swap behavior: 2 Buffer size (RGBA): 8,8,8,8 Depth buffer: 24 Stencil buffer: 8
          Profile: None (QOpenGLFunctions_4_6)

          Vulkan instance available
          Supported instance extensions:
          VK_KHR_device_group_creation, version 1
          VK_KHR_display, version 23
          VK_KHR_external_fence_capabilities, version 1
          VK_KHR_external_memory_capabilities, version 1
          VK_KHR_external_semaphore_capabilities, version 1
          VK_KHR_get_display_properties2, version 1
          VK_KHR_get_physical_device_properties2, version 2
          VK_KHR_get_surface_capabilities2, version 1
          VK_KHR_surface, version 25
          VK_KHR_surface_protected_capabilities, version 1
          VK_KHR_win32_surface, version 6
          VK_EXT_debug_report, version 9
          VK_EXT_debug_utils, version 2
          VK_EXT_swapchain_colorspace, version 4
          VK_NV_external_memory_capabilities, version 1
          Supported layers:
          VK_LAYER_NV_optimus, version 1, spec version 1.2.168, NVIDIA Optimus layer
          VK_LAYER_VALVE_steam_overlay, version 1, spec version 1.2.136, Steam Overlay Layer
          VK_LAYER_VALVE_steam_fossilize, version 1, spec version 1.2.136, Steam Pipeline Caching Layer
          VK_LAYER_EOS_Overlay, version 1, spec version 1.2.136, Vulkan overlay layer for Epic Online Services
          VK_LAYER_EOS_Overlay, version 1, spec version 1.2.136, Vulkan overlay layer for Epic Online Services
          Available physical devices:
          API version 1.2.168, vendor 0x10DE, device 0x1F11, NVIDIA GeForce RTX 2060, type 2, driver version 466.252.0

          GPU #1:
          Card name : NVIDIA GeForce RTX 2060
          Driver Name : nvldumdx.dll
          Driver Version : 27.21.14.6663
          Vendor ID : 0x10DE
          Device ID : 0x1F11
          SubSys ID : 0x3FFD17AA
          Revision ID : 0x00A1

          Qt Rendering Hardware Interface supported backends:
          OpenGL (with default QSurfaceFormat):
          Min Texture Size: 1
          Max Texture Size: 32768
          Max Color Attachments: 8
          Frames in Flight: 1
          Uniform Buffer Alignment: 1
          Supported MSAA sample counts: 1,2,4,8,16,32
          Features:
          - MultisampleTexture
          v MultisampleRenderBuffer
          - DebugMarkers
          - Timestamps
          v Instancing
          - CustomInstanceStepRate
          v PrimitiveRestart
          v NonDynamicUniformBuffers
          v NonFourAlignedEffectiveIndexBufferOffset
          v NPOTTextureRepeat
          - RedOrAlpha8IsRed
          v ElementIndexUint
          v Compute
          v WideLines
          v VertexShaderPointSize
          v BaseVertex
          - BaseInstance
          v TriangleFanTopology
          v ReadBackNonUniformBuffer
          v ReadBackNonBaseMipLevel
          Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 ETC2_RGB8 ETC2_RGB8A1 ETC2_RGBA8 ASTC_4x4 ASTC_5x4 ASTC_5x5 ASTC_6x5 ASTC_6x6 ASTC_8x5 ASTC_8x6 ASTC_8x8 ASTC_10x5 ASTC_10x6 ASTC_10x8 ASTC_10x10 ASTC_12x10 ASTC_12x12
          Vulkan:
          Min Texture Size: 1
          Max Texture Size: 32768
          Max Color Attachments: 8
          Frames in Flight: 2
          Uniform Buffer Alignment: 64
          Supported MSAA sample counts: 1,2,4,8
          Features:
          v MultisampleTexture
          v MultisampleRenderBuffer
          - DebugMarkers
          v Timestamps
          v Instancing
          - CustomInstanceStepRate
          v PrimitiveRestart
          v NonDynamicUniformBuffers
          v NonFourAlignedEffectiveIndexBufferOffset
          v NPOTTextureRepeat
          v RedOrAlpha8IsRed
          v ElementIndexUint
          v Compute
          v WideLines
          v VertexShaderPointSize
          v BaseVertex
          v BaseInstance
          v TriangleFanTopology
          v ReadBackNonUniformBuffer
          v ReadBackNonBaseMipLevel
          Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7
          Direct3D 11:
          Min Texture Size: 1
          Max Texture Size: 16384
          Max Color Attachments: 8
          Frames in Flight: 1
          Uniform Buffer Alignment: 256
          Supported MSAA sample counts: 1,2,4,8
          Features:
          v MultisampleTexture
          v MultisampleRenderBuffer
          v DebugMarkers
          v Timestamps
          v Instancing
          v CustomInstanceStepRate
          v PrimitiveRestart
          - NonDynamicUniformBuffers
          v NonFourAlignedEffectiveIndexBufferOffset
          v NPOTTextureRepeat
          v RedOrAlpha8IsRed
          v ElementIndexUint
          v Compute
          - WideLines
          - VertexShaderPointSize
          v BaseVertex
          v BaseInstance
          - TriangleFanTopology
          v ReadBackNonUniformBuffer
          v ReadBackNonBaseMipLevel
          Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7

          Plugin information:

          • Android 4.15.0
          • AutoTest 4.15.0
            AutotoolsProjectManager 4.15.0
            BareMetal 4.15.0
          • Bazaar 4.15.0
            Beautifier 4.15.0
          • BinEditor 4.15.0
          • Bookmarks 4.15.0
            Boot2Qt 4.15.0
          • CMakeProjectManager 4.15.0
          • CVS 4.15.0
          • ClangCodeModel 4.15.0
            ClangFormat 4.15.0
          • ClangTools 4.15.0
          • ClassView 4.15.0
            ClearCase 4.15.0
          • CodePaster 4.15.0
            CompilationDatabaseProjectManager 4.15.0
            Conan 4.15.0
          • Core 4.15.0
          • CppEditor 4.15.0
          • CppTools 4.15.0
            Cppcheck 4.15.0
          • CtfVisualizer 4.15.0
          • Debugger 4.15.0
          • Designer 4.15.0
          • DiffEditor 4.15.0
            EmacsKeys 4.15.0
          • FakeVim 4.15.0
          • GLSLEditor 4.15.0
          • GenericProjectManager 4.15.0
          • Git 4.15.0
            HelloWorld 4.15.0
          • Help 4.15.0
          • ImageViewer 4.15.0
          • IncrediBuild 4.15.0
            Ios 4.15.0
          • LanguageClient 4.15.0
          • Macros 4.15.0
          • Marketplace 4.15.0
            McuSupport 4.15.0
          • Mercurial 4.15.0
            MesonProjectManager 4.15.0
          • ModelEditor 4.15.0
            Nim 4.15.0
          • PerfProfiler 4.15.0
            Perforce 4.15.0
          • ProjectExplorer 4.15.0
          • Python 4.15.0
          • QbsProjectManager 4.15.0
          • QmakeProjectManager 4.15.0
          • QmlDesigner 4.15.0
          • QmlJSEditor 4.15.0
          • QmlJSTools 4.15.0
          • QmlPreview 4.15.0
          • QmlProfiler 4.15.0
          • QmlProjectManager 4.15.0
          • Qnx 4.15.0
          • QtSupport 4.15.0
          • RemoteLinux 4.15.0
          • ResourceEditor 4.15.0
          • ScxmlEditor 4.15.0
            SerialTerminal 4.15.0
            SilverSearcher 4.15.0
            StudioWelcome 4.15.0
          • Subversion 4.15.0
          • TaskList 4.15.0
          • TextEditor 4.15.0
            Todo 4.15.0
          • UpdateInfo 4.15.0
          • Valgrind 4.15.0
          • VcsBase 4.15.0
          • WebAssembly 4.15.0
          • Welcome 4.15.0
          • WinRt 4.15.0

          Qt Creator 4.15.0
          Basé sur Qt 5.15.2 (MSVC 2019, 64 bit)
          From revision 978f6caf1e
          Built on May 4 2021 01:16:56

          {noformat}

          1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #12

            Ok... nothing stands out as wrong.

            Can you start from a default Qt project and just one OpenCV method there ?

            It might be easier to debug your issue.

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

            1 Reply Last reply
            0
            • S Offline
              S Offline
              superdu
              wrote on last edited by superdu
              #13

              ok so here the code (thank you for your time by the way):

              cpp

              #include "mainwindow.h"
              #include "ui_mainwindow.h"
              
              MainWindow::MainWindow(QWidget *parent)
                  : QMainWindow(parent)
                  , ui(new Ui::MainWindow)
              {
                  ui->setupUi(this);
                  Mat new_img = Mat::zeros(25, 25, CV_16U);
                  Mat dest;
              
                  threshold(new_img,dest,200,255,THRESH_BINARY | THRESH_OTSU);
              
              }
              
              MainWindow::~MainWindow()
              {
                  delete ui;
              }
              
              
              

              header

              #ifndef MAINWINDOW_H
              #define MAINWINDOW_H
              
              #include <QMainWindow>
              #include <opencv2/core.hpp>
              #include <opencv2/highgui.hpp>
              #include <opencv2/imgcodecs.hpp>
              #include <opencv2/opencv.hpp>
              #include "opencv2/imgproc.hpp"
              
              using namespace cv;
              
              QT_BEGIN_NAMESPACE
              namespace Ui { class MainWindow; }
              QT_END_NAMESPACE
              
              class MainWindow : public QMainWindow
              {
                  Q_OBJECT
              
              public:
                  MainWindow(QWidget *parent = nullptr);
                  ~MainWindow();
              
              private:
                  Ui::MainWindow *ui;
              };
              #endif // MAINWINDOW_H
              
              

              pro

              QT       += core gui
              
              greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
              
              CONFIG += c++11
              
              # You can make your code fail to compile if it uses deprecated APIs.
              # In order to do so, uncomment the following line.
              #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
              
              SOURCES += \
                  main.cpp \
                  mainwindow.cpp
              
              HEADERS += \
                  mainwindow.h
              
              FORMS += \
                  mainwindow.ui
              
              INCLUDEPATH += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/include
              
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_calib3d.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_core.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_dnn.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_features2d.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_flann.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_highgui.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_imgcodecs.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_imgproc.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_ml.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_objdetect.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_photo.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_stitching.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_video.lib
              LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_videoio.lib
              
              
              TRANSLATIONS += \
                  test_fr_FR.ts
              CONFIG += lrelease
              CONFIG += embed_translations
              
              # Default rules for deployment.
              qnx: target.path = /tmp/$${TARGET}/bin
              else: unix:!android: target.path = /opt/$${TARGET}/bin
              !isEmpty(target.path): INSTALLS += target
              
              

              the code reproduce the problem for me:

              mainwindow.obj:-1: erreur : LNK2019: symbole externe non r‚solu "double __cdecl cv::threshold(class cv::debug_build_guard::_InputArray const &,class cv::debug_build_guard::_OutputArray const &,double,double,int)" (?threshold@cv@@YANAEBV_InputArray@debug_build_guard@1@AEBV_OutputArray@31@NNH@Z) r‚f‚renc‚ dans la fonction "public: __cdecl MainWindow::MainWindow(class QWidget *)" (??0MainWindow@@QEAA@PEAVQWidget@@@Z)

              1 Reply Last reply
              0
              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #14

                Does the build output show that the libraries are currently linked ?

                By the way, you should move all your includes to the .cpp file. There's nothing in the header that uses OpenCV.

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                1 Reply Last reply
                1
                • S Offline
                  S Offline
                  superdu
                  wrote on last edited by
                  #15

                  here the compile output:

                  21:18:53: Running steps for project test...
                  21:18:53: Configuration unchanged, skipping qmake step.
                  21:18:53: Starting: "D:\Qt\Tools\QtCreator\bin\jom.exe"
                  D:\Qt\Tools\QtCreator\bin\jom.exe -f Makefile.Debug
                  link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /SUBSYSTEM:WINDOWS "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='' processorArchitecture=''" /MANIFEST:embed /OUT:debug\test.exe @C:\Users\antoi\AppData\Local\Temp\test.exe.16732.0.jom
                  mainwindow.obj : error LNK2019: unresolved external symbol "double __cdecl cv::threshold(class cv::debug_build_guard::_InputArray const &,class cv::debug_build_guard::_OutputArray const &,double,double,int)" (?threshold@cv@@YANAEBV_InputArray@debug_build_guard@1@AEBV_OutputArray@31@NNH@Z) referenced in function "public: __cdecl MainWindow::MainWindow(class QWidget *)" (??0MainWindow@@QEAA@PEAVQWidget@@@Z)
                  debug\test.exe : fatal error LNK1120: 1 unresolved externals
                  jom: C:\Users\antoi\OneDrive\Documents\QTtest\build-test-Desktop_Qt_5_15_2_MSVC2019_64bit-Debug\Makefile.Debug [debug\test.exe] Error 1120
                  jom: C:\Users\antoi\OneDrive\Documents\QTtest\build-test-Desktop_Qt_5_15_2_MSVC2019_64bit-Debug\Makefile [debug] Error 2
                  21:18:53: The process "D:\Qt\Tools\QtCreator\bin\jom.exe" exited with code 2.
                  Error while building/deploying project test (kit: Desktop Qt 5.15.2 MSVC2019 64bit)
                  When executing step "Make"
                  21:18:53: Elapsed time: 00:00.

                  1 Reply Last reply
                  0
                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #16

                    Ok... does the Makefile contain any references to OpenCV ?

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    1 Reply Last reply
                    0
                    • S Offline
                      S Offline
                      superdu
                      wrote on last edited by
                      #17

                      no indeed... they are no reference to opencv:

                      #############################################################################

                      Makefile for building: test

                      Generated by qmake (3.1) (Qt 5.15.2)

                      Project: ..\test\test.pro

                      Template: app

                      Command: D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe -o Makefile ..\test\test.pro -spec win32-msvc "CONFIG+=debug" "CONFIG+=qml_debug"

                      #############################################################################

                      MAKEFILE = Makefile

                      EQ = =

                      first: debug
                      install: debug-install
                      uninstall: debug-uninstall
                      QMAKE = D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe
                      DEL_FILE = del
                      CHK_DIR_EXISTS= if not exist
                      MKDIR = mkdir
                      COPY = copy /y
                      COPY_FILE = copy /y
                      COPY_DIR = xcopy /s /q /y /i
                      INSTALL_FILE = copy /y
                      INSTALL_PROGRAM = copy /y
                      INSTALL_DIR = xcopy /s /q /y /i
                      QINSTALL = D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe -install qinstall
                      QINSTALL_PROGRAM = D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe -install qinstall -exe
                      DEL_FILE = del
                      SYMLINK = $(QMAKE) -install ln -f -s
                      DEL_DIR = rmdir
                      MOVE = move
                      IDC = idc
                      IDL = midl
                      ZIP = zip -r -9
                      DEF_FILE =
                      RES_FILE =
                      SED = $(QMAKE) -install sed
                      MOVE = move
                      SUBTARGETS =
                      debug
                      release

                      debug: $(MAKEFILE) FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug
                      debug-make_first: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug
                      debug-all: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug all
                      debug-clean: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug clean
                      debug-distclean: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug distclean
                      debug-install: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug install
                      debug-uninstall: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug uninstall
                      release: $(MAKEFILE) FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release
                      release-make_first: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release
                      release-all: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release all
                      release-clean: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release clean
                      release-distclean: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release distclean
                      release-install: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release install
                      release-uninstall: FORCE
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release uninstall

                      Makefile: ..\test\test.pro D:\Qt\5.15.2\msvc2019_64\mkspecs\win32-msvc\qmake.conf D:\Qt\5.15.2\msvc2019_64\mkspecs\features\spec_pre.prf
                      ...
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dcore_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dextras.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dextras_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dinput.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dinput_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dlogic.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dlogic_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquick.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquick_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickanimation.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickanimation_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickextras.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickextras_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickinput.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickinput_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickrender.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickrender_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickscene2d.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3dquickscene2d_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3drender.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_3drender_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_accessibility_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_axbase.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_axbase_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_axcontainer.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_axcontainer_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_axserver.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_axserver_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_bluetooth.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_bluetooth_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_bodymovin_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_bootstrap_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_charts.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_charts_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_concurrent.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_concurrent_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_core.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_core_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_datavisualization.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_datavisualization_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_dbus.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_dbus_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_designer.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_designer_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_designercomponents_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_devicediscovery_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_edid_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_egl_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_eventdispatcher_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_fb_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_fontdatabase_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_gamepad.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_gamepad_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_gui.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_gui_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_help.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_help_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_location.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_location_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_multimedia.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_multimedia_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_multimediawidgets.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_multimediawidgets_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_network.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_network_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_networkauth.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_networkauth_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_nfc.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_nfc_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_opengl.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_opengl_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_openglextensions.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_openglextensions_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_packetprotocol_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_platformcompositor_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_positioning.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_positioning_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_positioningquick.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_positioningquick_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_printsupport.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_printsupport_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_purchasing.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_purchasing_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qml.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qml_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmldebug_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmldevtools_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmlmodels.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmlmodels_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmltest.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmltest_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmlworkerscript.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmlworkerscript_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qtmultimediaquicktools_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3d.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3d_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3dassetimport.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3dassetimport_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3drender.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3drender_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3druntimerender.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3druntimerender_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3dutils.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3dutils_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quickcontrols2.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quickcontrols2_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quickparticles_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quickshapes_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quicktemplates2.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quicktemplates2_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quickwidgets.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quickwidgets_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_remoteobjects.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_remoteobjects_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_repparser.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_repparser_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_script.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_script_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_scripttools.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_scripttools_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_scxml.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_scxml_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_sensors.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_sensors_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_serialbus.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_serialbus_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_serialport.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_serialport_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_sql.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_sql_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_svg.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_svg_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_testlib.pri
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_texttospeech.pri
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_theme_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_uiplugin.pri
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_vulkan_support_private.pri
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_websockets.pri
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_webview.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_webview_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_widgets.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_widgets_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_windowsuiautomation_support_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_winextras.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_winextras_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_xml.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_xml_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_xmlpatterns.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_xmlpatterns_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_zlib_private.pri
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qt_functions.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qt_config.prf
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\common\msvc-version.conf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\toolchain.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\default_pre.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\default_pre.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\resolve_config.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\exclusive_builds_post.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\default_post.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\lrelease.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qml_debug.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\precompile_header.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\warn_on.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qt.prf
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\moc.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\opengl.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\uic.prf
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\file_copies.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\windows.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\testcase_targets.prf
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\yacc.prf
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\lex.prf
                      ..\test\test.pro
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Widgets.prl
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Gui.prl
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Core.prl
                      D:\Qt\5.15.2\msvc2019_64\lib\qtmain.prl
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\build_pass.prf
                      debug\qmake_qmake_qm_files.qrc
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Widgetsd.prl
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Guid.prl
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Cored.prl
                      D:\Qt\5.15.2\msvc2019_64\lib\qtmaind.prl
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\windows_vulkan_sdk.prf:
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmldevtools_private.pri:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_qmlmodels.pri:
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\modules\qt_lib_quick3d_private.pri:
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\exclusive_builds.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\common\msvc-version.conf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\toolchain.prf:
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\default_pre.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\resolve_config.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\exclusive_builds_post.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\default_post.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\lrelease.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qml_debug.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\precompile_header.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\warn_on.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qt.prf:
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                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\resources.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\moc.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\opengl.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\uic.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qmake_use.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\file_copies.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\windows.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\testcase_targets.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\exceptions.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\yacc.prf:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\lex.prf:
                      ..\test\test.pro:
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Widgets.prl:
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Gui.prl:
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Core.prl:
                      D:\Qt\5.15.2\msvc2019_64\lib\qtmain.prl:
                      .qmake.stash:
                      D:\Qt\5.15.2\msvc2019_64\mkspecs\features\build_pass.prf:
                      debug\qmake_qmake_qm_files.qrc:
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Widgetsd.prl:
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Guid.prl:
                      D:\Qt\5.15.2\msvc2019_64\lib\Qt5Cored.prl:
                      D:\Qt\5.15.2\msvc2019_64\lib\qtmaind.prl:
                      release\qmake_qmake_qm_files.qrc:
                      qmake: FORCE
                      @$(QMAKE) -o Makefile ..\test\test.pro -spec win32-msvc "CONFIG+=debug" "CONFIG+=qml_debug"

                      qmake_all: FORCE

                      make_first: debug-make_first release-make_first FORCE
                      all: debug-all release-all FORCE
                      clean: debug-clean release-clean FORCE
                      -$(DEL_FILE) test.vc.pdb
                      -$(DEL_FILE) test.ilk
                      -$(DEL_FILE) test.idb
                      distclean: debug-distclean release-distclean FORCE
                      -$(DEL_FILE) Makefile
                      -$(DEL_FILE) .qmake.stash test.pdb

                      debug-mocclean:
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug mocclean
                      release-mocclean:
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release mocclean
                      mocclean: debug-mocclean release-mocclean

                      debug-mocables:
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Debug mocables
                      release-mocables:
                      @set MAKEFLAGS=$(MAKEFLAGS)
                      $(MAKE) -f $(MAKEFILE).Release mocables
                      mocables: debug-mocables release-mocables

                      check: first

                      benchmark: first
                      FORCE:

                      $(MAKEFILE).Debug: Makefile
                      $(MAKEFILE).Release: Makefile

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #18

                        You are missing the "-l" in your LIBS lines.

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                        • S Offline
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                          superdu
                          wrote on last edited by
                          #19

                          hum, but they are presents in makefile.debug

                          i also try again this notation but still the same problem

                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_calib3d
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_core
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_dnn
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_features2d
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_flann
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_highgui
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_imgcodecs
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_imgproc
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_ml
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_objdetect
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_photo
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_stitching
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_video
                          LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_videoio
                          
                          
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                          • SGaistS Offline
                            SGaistS Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on last edited by
                            #20

                            So if you build in debug mode it works ?

                            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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                            • S Offline
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                              superdu
                              wrote on last edited by
                              #21

                              no... i dont know why but i feel if we find the problem that will be something really stupid. and if not i will just try to compile by hand opencv but that should work like that

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                              • SGaistS Offline
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                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #22

                                Are these static or dynamic librairies ?

                                In any case, what I would do is simplify things with the LIBS part to only link to opencv_core and only use symbols from that library in the sample application.

                                This will restrict the scope of the issue.

                                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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                                • S Offline
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                                  superdu
                                  wrote on last edited by
                                  #23

                                  i just checked it with lib.exe and libs file containes dll. its dynamics library

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                                    superdu
                                    wrote on last edited by
                                    #24

                                    ok so i compile by hand opencv following this step: https://wiki.qt.io/How_to_setup_Qt_and_openCV_on_Windows_with_MSVC2017#Building_OpenCV

                                    the two difference is i use msvc 2019 and opencv 4.5.1.

                                    compilation seems to be a succes but when i try to us it in qt the application crash without any information

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                                    • SGaistS Offline
                                      SGaistS Offline
                                      SGaist
                                      Lifetime Qt Champion
                                      wrote on last edited by
                                      #25

                                      If there's a crash then it likely is that the dlls are not found at run time. Go to the Run part of the Project panel and update the PATH environment variable there so that the folder containing the OpenCV dlls are found.

                                      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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                                      • S Offline
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                                        superdu
                                        wrote on last edited by
                                        #26

                                        Ok my bad. i already added to path but i didnt restart my computer. i just restart it and that work well.

                                        result: no more problem and treshold function work. thank you so much for your time!

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                                        • SGaistS Offline
                                          SGaistS Offline
                                          SGaist
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #27

                                          Then you did it in the wrong place. Do not alter your machine's PATH, do it in Qt Creator as I explained above.

                                          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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