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How do i use poppler lib in Qt quick application.

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  • N NIvil Wilson
    29 Mar 2021, 07:26

    @jsulm
    after building poppler for android it shows the same errror
    skipping incompatible /usr/local/lib//libpoppler-qt5.so when searching for -lpoppler-qt5.

    J Offline
    J Offline
    jsulm
    Lifetime Qt Champion
    wrote on 29 Mar 2021, 07:29 last edited by
    #8

    @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

    /usr/local/lib//libpoppler-qt5.so

    I'm sure this is not poppler built for Android.
    You have to provide proper path to the Android version using LIBS.

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

    N 1 Reply Last reply 29 Mar 2021, 14:11
    0
    • J jsulm
      29 Mar 2021, 07:29

      @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

      /usr/local/lib//libpoppler-qt5.so

      I'm sure this is not poppler built for Android.
      You have to provide proper path to the Android version using LIBS.

      N Offline
      N Offline
      NIvil Wilson
      wrote on 29 Mar 2021, 14:11 last edited by
      #9

      @jsulm
      sir,
      this is my cmak_install file.could you please check it .

      # Install script for directory: /home/nivilwilsonp/Pictures/poppler-21.03.0
      
      # Set the install prefix
      if(NOT DEFINED CMAKE_INSTALL_PREFIX)
        set(CMAKE_INSTALL_PREFIX "/usr/local")
      endif()
      string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
      
      # Set the install configuration name.
      if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME)
        if(BUILD_TYPE)
          string(REGEX REPLACE "^[^A-Za-z0-9_]+" ""
                 CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}")
        else()
          set(CMAKE_INSTALL_CONFIG_NAME "RelWithDebInfo")
        endif()
        message(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"")
      endif()
      
      # Set the component getting installed.
      if(NOT CMAKE_INSTALL_COMPONENT)
        if(COMPONENT)
          message(STATUS "Install component: \"${COMPONENT}\"")
          set(CMAKE_INSTALL_COMPONENT "${COMPONENT}")
        else()
          set(CMAKE_INSTALL_COMPONENT)
        endif()
      endif()
      
      # Install shared libraries without execute permission?
      if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE)
        set(CMAKE_INSTALL_SO_NO_EXE "1")
      endif()
      
      # Is this installation the result of a crosscompile?
      if(NOT DEFINED CMAKE_CROSSCOMPILING)
        set(CMAKE_CROSSCOMPILING "TRUE")
        set(CMAKE_SYSTEM_NAME Android)
      set(CMAKE_SYSTEM_VERSION 24) # API level
      set(CMAKE_ANDROID_ARCH_ABI armeabi-v7a)
      set(CMAKE_ANDROID_NDK /home/nivilwilsonp/Android/Sdk/ndk/21.3.6528147)
      set(CMAKE_ANDROID_STL_TYPE gnustl_static)
      endif()
      
      if("x${CMAKE_INSTALL_COMPONENT}x" STREQUAL "xUnspecifiedx" OR NOT CMAKE_INSTALL_COMPONENT)
        foreach(file
            "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so.108.0.0"
            "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so.108"
            )
          if(EXISTS "${file}" AND
             NOT IS_SYMLINK "${file}")
            file(RPATH_CHECK
                 FILE "${file}"
                 RPATH "")
          endif()
        endforeach()
        file(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib" TYPE SHARED_LIBRARY FILES
          "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/libpoppler.so.108.0.0"
          "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/libpoppler.so.108"
          )
        foreach(file
            "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so.108.0.0"
            "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so.108"
            )
          if(EXISTS "${file}" AND
             NOT IS_SYMLINK "${file}")
            if(CMAKE_INSTALL_DO_STRIP)
              execute_process(COMMAND "/usr/bin/strip" "${file}")
            endif()
          endif()
        endforeach()
      endif()
      
      if("x${CMAKE_INSTALL_COMPONENT}x" STREQUAL "xUnspecifiedx" OR NOT CMAKE_INSTALL_COMPONENT)
        if(EXISTS "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so" AND
           NOT IS_SYMLINK "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so")
          file(RPATH_CHECK
               FILE "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so"
               RPATH "")
        endif()
        file(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib" TYPE SHARED_LIBRARY FILES "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/libpoppler.so")
        if(EXISTS "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so" AND
           NOT IS_SYMLINK "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so")
          if(CMAKE_INSTALL_DO_STRIP)
            execute_process(COMMAND "/usr/bin/strip" "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libpoppler.so")
          endif()
        endif()
      endif()
      
      if("x${CMAKE_INSTALL_COMPONENT}x" STREQUAL "xUnspecifiedx" OR NOT CMAKE_INSTALL_COMPONENT)
        file(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" TYPE FILE FILES "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/poppler.pc")
      endif()
      
      if("x${CMAKE_INSTALL_COMPONENT}x" STREQUAL "xUnspecifiedx" OR NOT CMAKE_INSTALL_COMPONENT)
        file(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" TYPE FILE FILES "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/poppler-qt5.pc")
      endif()
      
      if("x${CMAKE_INSTALL_COMPONENT}x" STREQUAL "xUnspecifiedx" OR NOT CMAKE_INSTALL_COMPONENT)
        file(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" TYPE FILE FILES "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/poppler-cpp.pc")
      endif()
      
      if(NOT CMAKE_INSTALL_LOCAL_ONLY)
        # Include the install script for each subdirectory.
        include("/home/nivilwilsonp/Pictures/poppler-21.03.0/build/utils/cmake_install.cmake")
        include("/home/nivilwilsonp/Pictures/poppler-21.03.0/build/test/cmake_install.cmake")
        include("/home/nivilwilsonp/Pictures/poppler-21.03.0/build/qt5/cmake_install.cmake")
        include("/home/nivilwilsonp/Pictures/poppler-21.03.0/build/cpp/cmake_install.cmake")
      
      endif()
      
      if(CMAKE_INSTALL_COMPONENT)
        set(CMAKE_INSTALL_MANIFEST "install_manifest_${CMAKE_INSTALL_COMPONENT}.txt")
      else()
        set(CMAKE_INSTALL_MANIFEST "install_manifest.txt")
      endif()
      
      string(REPLACE ";" "\n" CMAKE_INSTALL_MANIFEST_CONTENT
             "${CMAKE_INSTALL_MANIFEST_FILES}")
      file(WRITE "/home/nivilwilsonp/Pictures/poppler-21.03.0/build/${CMAKE_INSTALL_MANIFEST}"
           "${CMAKE_INSTALL_MANIFEST_CONTENT}")
      
      1 Reply Last reply
      0
      • S Offline
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        SGaist
        Lifetime Qt Champion
        wrote on 29 Mar 2021, 18:13 last edited by
        #10

        Hi,

        I would avoid putting a library like that built for a different architecture/OS in such a generic path. You should store in an explicit dedicated folder.

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

        N 1 Reply Last reply 3 Apr 2021, 05:43
        1
        • N NIvil Wilson
          29 Mar 2021, 07:26

          @jsulm
          after building poppler for android it shows the same errror
          skipping incompatible /usr/local/lib//libpoppler-qt5.so when searching for -lpoppler-qt5.

          J Offline
          J Offline
          jsulm
          Lifetime Qt Champion
          wrote on 30 Mar 2021, 05:37 last edited by
          #11

          @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

          skipping incompatible /usr/local/lib//libpoppler-qt5.so when searching for -lpoppler-qt5.

          This error clearly states that /usr/local/lib//libpoppler-qt5.so is not compatible with what you are building.
          Do

          file /usr/local/lib//libpoppler-qt5.so
          

          and post its output here.

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

          N 1 Reply Last reply 1 Apr 2021, 11:18
          0
          • J jsulm
            30 Mar 2021, 05:37

            @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

            skipping incompatible /usr/local/lib//libpoppler-qt5.so when searching for -lpoppler-qt5.

            This error clearly states that /usr/local/lib//libpoppler-qt5.so is not compatible with what you are building.
            Do

            file /usr/local/lib//libpoppler-qt5.so
            

            and post its output here.

            N Offline
            N Offline
            NIvil Wilson
            wrote on 1 Apr 2021, 11:18 last edited by
            #12

            @jsulm said in How do i use poppler lib in Qt quick application.:

            file /usr/local/lib//libpoppler-qt5.so

            /usr/local/lib//libpoppler-qt5.so: symbolic link to libpoppler-qt5.so.1

            J 1 Reply Last reply 1 Apr 2021, 11:34
            0
            • N NIvil Wilson
              1 Apr 2021, 11:18

              @jsulm said in How do i use poppler lib in Qt quick application.:

              file /usr/local/lib//libpoppler-qt5.so

              /usr/local/lib//libpoppler-qt5.so: symbolic link to libpoppler-qt5.so.1

              J Offline
              J Offline
              jsulm
              Lifetime Qt Champion
              wrote on 1 Apr 2021, 11:34 last edited by
              #13

              @NIvil-Wilson Then do

              file /usr/local/lib//libpoppler-qt5.so.1
              

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

              N 1 Reply Last reply 3 Apr 2021, 05:40
              0
              • J jsulm
                1 Apr 2021, 11:34

                @NIvil-Wilson Then do

                file /usr/local/lib//libpoppler-qt5.so.1
                
                N Offline
                N Offline
                NIvil Wilson
                wrote on 3 Apr 2021, 05:40 last edited by
                #14

                @jsulm
                sir,
                the result for the command file /usr/local/lib//libpoppler-qt5.so.1 is
                /usr/local/lib//libpoppler-qt5.so.1: symbolic link to libpoppler-qt5.so.1.27.0

                S 1 Reply Last reply 3 Apr 2021, 06:49
                0
                • S SGaist
                  29 Mar 2021, 18:13

                  Hi,

                  I would avoid putting a library like that built for a different architecture/OS in such a generic path. You should store in an explicit dedicated folder.

                  N Offline
                  N Offline
                  NIvil Wilson
                  wrote on 3 Apr 2021, 05:43 last edited by
                  #15

                  @SGaist
                  sir, i tried that too but the same problem occurs

                  1 Reply Last reply
                  0
                  • N NIvil Wilson
                    3 Apr 2021, 05:40

                    @jsulm
                    sir,
                    the result for the command file /usr/local/lib//libpoppler-qt5.so.1 is
                    /usr/local/lib//libpoppler-qt5.so.1: symbolic link to libpoppler-qt5.so.1.27.0

                    S Offline
                    S Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on 3 Apr 2021, 06:49 last edited by
                    #16

                    @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

                    @jsulm
                    sir,
                    the result for the command file /usr/local/lib//libpoppler-qt5.so.1 is
                    /usr/local/lib//libpoppler-qt5.so.1: symbolic link to libpoppler-qt5.so.1.27.0

                    Check that file then.

                    Did you ensure that cmake is finding your cross-compiled version and not the one from your system ?

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

                    N 1 Reply Last reply 15 Apr 2021, 14:58
                    0
                    • S SGaist
                      3 Apr 2021, 06:49

                      @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

                      @jsulm
                      sir,
                      the result for the command file /usr/local/lib//libpoppler-qt5.so.1 is
                      /usr/local/lib//libpoppler-qt5.so.1: symbolic link to libpoppler-qt5.so.1.27.0

                      Check that file then.

                      Did you ensure that cmake is finding your cross-compiled version and not the one from your system ?

                      N Offline
                      N Offline
                      NIvil Wilson
                      wrote on 15 Apr 2021, 14:58 last edited by
                      #17

                      @SGaist
                      sir,
                      yes i ensured that the cmake is finding cross-compiled version and not the one from the system .
                      i stored the cross-compiled version in an explicit dedicated folder and the same message appears.
                      please help

                      1 Reply Last reply
                      0
                      • S Offline
                        S Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on 15 Apr 2021, 18:26 last edited by
                        #18

                        Did you check the architecture of your cross-compiled library ?

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

                        N 1 Reply Last reply 18 Apr 2021, 04:50
                        0
                        • S SGaist
                          15 Apr 2021, 18:26

                          Did you check the architecture of your cross-compiled library ?

                          N Offline
                          N Offline
                          NIvil Wilson
                          wrote on 18 Apr 2021, 04:50 last edited by
                          #19

                          @SGaist
                          sir ,
                          the architecture of cross-compiled library is given below.

                          readelf -h libpoppler-qt5.so.1.27.0
                          ELF Header:
                          Magic: 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
                          Class: ELF64
                          Data: 2's complement, little endian
                          Version: 1 (current)
                          OS/ABI: UNIX - System V
                          ABI Version: 0
                          Type: DYN (Shared object file)
                          Machine: Advanced Micro Devices X86-64
                          Version: 0x1
                          Entry point address: 0x334f0
                          Start of program headers: 64 (bytes into file)
                          Start of section headers: 14323992 (bytes into file)
                          Flags: 0x0
                          Size of this header: 64 (bytes)
                          Size of program headers: 56 (bytes)
                          Number of program headers: 11
                          Size of section headers: 64 (bytes)
                          Number of section headers: 39
                          Section header string table index: 38

                          1 Reply Last reply
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                          • S Offline
                            S Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on 18 Apr 2021, 07:05 last edited by
                            #20

                            @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

                            Machine: Advanced Micro Devices X86-64

                            Is your device running on a x86_64 machine ?

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

                            N 1 Reply Last reply 18 Apr 2021, 16:09
                            0
                            • S SGaist
                              18 Apr 2021, 07:05

                              @NIvil-Wilson said in How do i use poppler lib in Qt quick application.:

                              Machine: Advanced Micro Devices X86-64

                              Is your device running on a x86_64 machine ?

                              N Offline
                              N Offline
                              NIvil Wilson
                              wrote on 18 Apr 2021, 16:09 last edited by NIvil Wilson
                              #21

                              @SGaist said in How do i use poppler lib in Qt quick application.:

                              x86_64

                              uname -a
                              Linux nivilwilsonp-desktop 5.8.0-48-generic #54~20.04.1-Ubuntu SMP Sat Mar 20 13:40:25 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

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                                SGaist
                                Lifetime Qt Champion
                                wrote on 18 Apr 2021, 16:45 last edited by
                                #22

                                Your desktop machine is.

                                I meant the target that runs Android. In any case, if it's ARM, libpoppler was not cross-compiled.

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

                                N 1 Reply Last reply 19 Apr 2021, 06:38
                                1
                                • S SGaist
                                  18 Apr 2021, 16:45

                                  Your desktop machine is.

                                  I meant the target that runs Android. In any case, if it's ARM, libpoppler was not cross-compiled.

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                                  NIvil Wilson
                                  wrote on 19 Apr 2021, 06:38 last edited by
                                  #23

                                  @SGaist
                                  sir,
                                  the target device is ARM.could you give me instructions to cross compile libpoppler for ARM.

                                  1 Reply Last reply
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                                  • S Offline
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                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on 19 Apr 2021, 19:55 last edited by
                                    #24

                                    What did you do to build poppler until now ?

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

                                    N 1 Reply Last reply 20 Apr 2021, 07:52
                                    0
                                    • S SGaist
                                      19 Apr 2021, 19:55

                                      What did you do to build poppler until now ?

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                                      N Offline
                                      NIvil Wilson
                                      wrote on 20 Apr 2021, 07:52 last edited by
                                      #25

                                      @SGaist
                                      sir,
                                      i used the settings given below to cross compile poppler library

                                      if(NOT DEFINED CMAKE_CROSSCOMPILING)
                                      set(CMAKE_CROSSCOMPILING "TRUE")
                                      endif()

                                      set(CMAKE_SYSTEM_NAME Android)
                                      set(CMAKE_SYSTEM_VERSION 21) # API level
                                      set(CMAKE_ANDROID_ARCH_ABI arm64-v8a)
                                      set(CMAKE_ANDROID_NDK /home/nivilwilsonp/Android/Sdk/ndk/21.3.6528147)
                                      set(CMAKE_ANDROID_STL_TYPE c++_shared)

                                      1 Reply Last reply
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                                        SGaist
                                        Lifetime Qt Champion
                                        wrote on 20 Apr 2021, 19:00 last edited by
                                        #26

                                        You might want to check here for how they build it for Androïd.

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

                                        N 1 Reply Last reply 8 May 2021, 11:44
                                        1
                                        • S SGaist
                                          20 Apr 2021, 19:00

                                          You might want to check here for how they build it for Androïd.

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                                          N Offline
                                          NIvil Wilson
                                          wrote on 8 May 2021, 11:44 last edited by NIvil Wilson 5 Aug 2021, 11:47
                                          #27

                                          @SGaist
                                          sir, i tried to compile poppler for android arm64-v8a but it always compiled to "x86_64".

                                          1 Reply Last reply
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