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Can't add HDF5 library in empty Qt-project

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  • K Konstantin Tokarev

    @Please_Help_me_D You have an error in your path: file name is hdf5_cpp_D.lib while you are using lhdf5_cpp_D.lib

    Please_Help_me_DP Offline
    Please_Help_me_DP Offline
    Please_Help_me_D
    wrote on last edited by
    #14

    @Konstantin-Tokarev i'm sorry, my mistake. I changed it to the correct name and the errors now are:
    main.obj: -1: error: LNK2001: unresolved external character "" public: static class H5 :: FileAccPropList const & const H5 :: FileAccPropList :: DEFAULT "(? DEFAULT @ FileAccPropList @ H5 @@ 2AEBV12 @ EB)"
    main.obj: -1: error: LNK2001: unresolved external character "" public: static class H5 :: FileCreatPropList const & const H5 :: FileCreatPropList :: DEFAULT "(? DEFAULT @ FileCreatPropList @ H5 @@ 2AEBV12 @ EB)"
    etc...
    debug \ HDF5.exe: -1: error: LNK1120: unresolved external elements: 6

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    • K Offline
      K Offline
      Konstantin Tokarev
      wrote on last edited by
      #15

      Make sure that all paths correspond to existing files.Find in which library H5 :: FileAccPropList is defined

      Please_Help_me_DP 2 Replies Last reply
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      • K Konstantin Tokarev

        Make sure that all paths correspond to existing files.Find in which library H5 :: FileAccPropList is defined

        Please_Help_me_DP Offline
        Please_Help_me_DP Offline
        Please_Help_me_D
        wrote on last edited by
        #16

        @Konstantin-Tokarev I did

        dumpbin /EXPORTS each_of_my_labrary
        

        and I only found that FileAccPropList belongs to hdf5_cpp_D.lib.
        One thing seemed to me interesting... When I built HDF5 libraries there was an option to include C++ libraries and I included them. Now output from dumpbin C and C++ libraries are very different. Here are few lines of dumpbin C.lib:

        Microsoft (R) COFF/PE Dumper Version 14.16.27030.1
        Copyright (C) Microsoft Corporation.  All rights reserved.
        
        
        Dump of file C:\apps\MSVC_apps_debug\HDF5\lib\hdf5_D.lib
        
        File Type: LIBRARY
        
             Exports
        
               ordinal    name
        
                          H5AC_BT
                          H5AC_BT2_HDR
                          H5AC_BT2_INT
                          H5AC_BT2_LEAF
                          H5AC_DRVRINFO
                          H5AC_EARRAY_DBLK_PAGE
                          H5AC_EARRAY_DBLOCK
                          H5AC_EARRAY_HDR
        

        And here are few lines of dumpbin C++.lib:

        Microsoft (R) COFF/PE Dumper Version 14.16.27030.1
        Copyright (C) Microsoft Corporation.  All rights reserved.
        
        
        Dump of file C:\apps\MSVC_apps_debug\HDF5\lib\hdf5_cpp_D.lib
        
        File Type: LIBRARY
        
             Exports
        
               ordinal    name
        
                          ??0AbstractDs@H5@@IEAA@XZ (protected: __cdecl H5::AbstractDs::AbstractDs(void))
                          ??0AbstractDs@H5@@QEAA@AEBV01@@Z (public: __cdecl H5::AbstractDs::AbstractDs(class H5::AbstractDs const &))
                          ??0ArrayType@H5@@QEAA@AEBV01@@Z (public: __cdecl H5::ArrayType::ArrayType(class H5::ArrayType const &))
                          ??0ArrayType@H5@@QEAA@AEBVDataType@1@HPEB_K@Z (public: __cdecl H5::ArrayType::ArrayType(class H5::DataType const &,int,unsigned __int64 const *))
                          ??0ArrayType@H5@@QEAA@AEBVH5Location@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z (public: __cdecl H5::ArrayType::ArrayType(class H5::H5Location const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &))
                          ??0ArrayType@H5@@QEAA@AEBVH5Location@1@PEBD@Z (public: __cdecl H5::ArrayType::ArrayType(class H5::H5Location const &,char const *))
                          ??0ArrayType@H5@@QEAA@XZ (public: __cdecl H5::ArrayType::ArrayType(void))
                          ??0ArrayType@H5@@QEAA@_J@Z (public: __cdecl H5::ArrayType::ArrayType(__int64))
        

        How do you think, maybe C++ libraries were installed incorretly?

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        • K Konstantin Tokarev

          Make sure that all paths correspond to existing files.Find in which library H5 :: FileAccPropList is defined

          Please_Help_me_DP Offline
          Please_Help_me_DP Offline
          Please_Help_me_D
          wrote on last edited by
          #17

          @Konstantin-Tokarev @SGaist @jsulm as you suspected the problem was that used wrong libraries. Those libraries whose names begin with lib are static. And those who don't those are shared (information from HDFGroup web-site, see picture).
          Previously I tried to include shared libraries and they don't work (don't know why). Now I use static libraries and they work.
          So I use the followng lines (it works):

          LIBS += "C:/apps/MSVC_apps_debug/HDF5/lib/libhdf5_cpp_D.lib"
          LIBS += "C:/apps/MSVC_apps_debug/HDF5/lib/libhdf5_D.lib"
          LIBS += "C:/apps/MSVC_apps_debug/HDF5/lib/libhdf5_hl_cpp_D.lib"
          LIBS += "C:/apps/MSVC_apps_debug/HDF5/lib/libhdf5_hl_D.lib"
          LIBS += "C:/apps/MSVC_apps_debug/HDF5/lib/libhdf5_tools_D.lib"
          
          INCLUDEPATH += C:/apps/MSVC_apps_debug/HDF5/include
          DEPENDPATH += C:/apps/MSVC_apps_debug/HDF5/include
          

          Can you give me advise why shared libraries don't work? How should I decide whether to use shared or static libraries?
          HDF5.png

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

            So you tried to link to .dll files which are the shared libraries but not what you use to link to on Windows.

            .lib files can be either the static version of the libraries or an "import file" used to tell the linker what symbols it will have from the library. The usual way to know which type it is is by looking at its size. Small sizes suggest that you have the import file while bigger sizes suggest static libraries.

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            • SGaistS SGaist

              So you tried to link to .dll files which are the shared libraries but not what you use to link to on Windows.

              .lib files can be either the static version of the libraries or an "import file" used to tell the linker what symbols it will have from the library. The usual way to know which type it is is by looking at its size. Small sizes suggest that you have the import file while bigger sizes suggest static libraries.

              Please_Help_me_DP Offline
              Please_Help_me_DP Offline
              Please_Help_me_D
              wrote on last edited by
              #19

              @SGaist thank you for information about the weight of static and shared libraries. One of my shared library weighs 380 kb and the same static library weighs 33 Mb.
              I opened them with help of 7zip and I saw that shared .lib-file include .dll files, and static .lib-file includes .obj files (see picture).
              Is there a connection between libraries .lib and .exe files and .dll files that are in the bin folder?static_shared.jpg

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #20

                I was talking about the .lib files themselves.

                .dll are in any shared libraries.

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                • Please_Help_me_DP Offline
                  Please_Help_me_DP Offline
                  Please_Help_me_D
                  wrote on last edited by
                  #21

                  I encountered a problem that when I build HDF5 without ZLIB I can run HDF5 library in Qt (as static library for example). But when building HDF5 with ZLIB=on then I can run HDF5 only as dynamic library and still I get error: LNK2001: unresolved external character "H5T_STD_I32BE_g" when I set format for my saving data like integer 32 big endian (or any other data formats). The other functionality works properly (for example I can create empty HDF5-files and add groups in them etc). What maybe the reason of this strange behaviour?
                  ZLIB, HDF5 builded in DEBUG mode.
                  If my HDF5 library depends on ZLIB library then in QMake should I add some strings about ZLIB?

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                  • Please_Help_me_DP Offline
                    Please_Help_me_DP Offline
                    Please_Help_me_D
                    wrote on last edited by
                    #22

                    I added ZLIB library to the QMake and it worked :)

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                    • Please_Help_me_DP Offline
                      Please_Help_me_DP Offline
                      Please_Help_me_D
                      wrote on last edited by
                      #23

                      To the New Yaer event I got SSD-disk :)
                      So I decided to install Windows 10 x64 and now I have disk C:\ on SSD and HDD stores all my data from previous installed Windows 7 x64.

                      I have strange situation... When I run Qt project that uses HDF5 library and this library is on old HDD then I can normally run it.
                      If I copy HDF5 library to the SSD then I get the following error:
                      error: C1083: Cannot open include file: 'hdf5.h': No such file or directory

                      I use:

                      #include "hdf5.h"
                      

                      and in .pro file I have:

                      LIBS += С:/apps/MSVC_apps_debug/HDF5_1106/lib/libhdf5_D.lib \
                              С:/apps/MSVC_apps_debug/HDF5_1106/lib/libhdf5_hl_D.lib \
                              С:/apps/MSVC_apps_debug/ZLIB/lib/libzlib_D.lib
                      
                      INCLUDEPATH += С:/apps/MSVC_apps_debug/HDF5_1106/include \
                                     С:/apps/MSVC_apps_debug/ZLIB/include
                      DEPENDPATH += С:/apps/MSVC_apps_debug/HDF5_1106/include \
                                    С:/apps/MSVC_apps_debug/ZLIB/include
                      

                      By the way it doesn't depend if I recompile HDF5 library with installation folder on C:/ or just copy it from E:/ to C:/ (I mean copy from HDD to SSD). In both cases I get the same error.

                      Why Qt can't see this header file in include folder?

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #24

                        Did you check the build log to see if the paths you added are used ?

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                        • SGaistS SGaist

                          Did you check the build log to see if the paths you added are used ?

                          Please_Help_me_DP Offline
                          Please_Help_me_DP Offline
                          Please_Help_me_D
                          wrote on last edited by
                          #25

                          @SGaist As far as I see yes. I marked it with bold style.
                          The compilator output uses backslashes () and I use slash (/) when pointing a directory. In Windows 7 slashes worked normally, couldn't that be a reason in Windows 10?

                          21:37:47: Launching: «C:\Qt\Tools\qtcreator-4.11.0\bin\jom.exe»
                          C:\Qt\Tools\qtcreator-4.11.0\bin\jom.exe -f Makefile.Debug
                          cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zi -MDd -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\ReadSegy.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_CORE_LIB -I..\ReadSegy -I. -IС­:/apps/MSVC_apps_debug/HDF5_1106/include -IС­:/apps/MSVC_apps_debug/ZLIB/include -IC:\Qt\5.12.6\msvc2017_64\include -IC:\Qt\5.12.6\msvc2017_64\include\QtCore -Idebug -IC:\Qt\5.12.6\msvc2017_64\mkspecs\win32-msvc -Fodebug\ @C:\Users\tasik\AppData\Local\Temp\checkandwritehdf5.obj.4376.15.jom
                          checkandwritehdf5.cpp
                          cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zi -MDd -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\ReadSegy.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_CORE_LIB -I..\ReadSegy -I. -IС­:/apps/MSVC_apps_debug/HDF5_1106/include -IС­:/apps/MSVC_apps_debug/ZLIB/include -IC:\Qt\5.12.6\msvc2017_64\include -IC:\Qt\5.12.6\msvc2017_64\include\QtCore -Idebug -IC:\Qt\5.12.6\msvc2017_64\mkspecs\win32-msvc -Fodebug\ @C:\Users\tasik\AppData\Local\Temp\readsegy.obj.4376.31.jom
                          readsegy.cpp
                          c:\users\tasik\documents\qt_projects\readsegy\readsegy.h(5): fatal error C1083: Cannot open include file: 'hdf5.h': No such file or directory
                          cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zi -MDd -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\ReadSegy.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_CORE_LIB -I..\ReadSegy -I. -IС­:/apps/MSVC_apps_debug/HDF5_1106/include -IС­:/apps/MSVC_apps_debug/ZLIB/include -IC:\Qt\5.12.6\msvc2017_64\include -IC:\Qt\5.12.6\msvc2017_64\include\QtCore -Idebug -IC:\Qt\5.12.6\msvc2017_64\mkspecs\win32-msvc -Fodebug\ @C:\Users\tasik\AppData\Local\Temp\main.obj.4376.15.jom
                          main.cpp
                          c:\users\tasik\documents\qt_projects\readsegy\readsegy.h(5): fatal error C1083: Cannot open include file: 'hdf5.h': No such file or directory
                          c:\users\tasik\documents\qt_projects\readsegy\checkandwritehdf5.h(2): fatal error C1083: Cannot open include file: 'hdf5.h': No such file or directory
                          jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile.Debug [debug\checkandwritehdf5.obj] Error 2
                          jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile.Debug [debug\main.obj] Error 2
                          jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile.Debug [debug\readsegy.obj] Error 2
                          jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile [debug] Error 2

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                          • SGaistS Offline
                            SGaistS Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on last edited by
                            #26

                            That's surprising... the slash/backslash conversion should be handled automatically for you.

                            What happens if you uses backslashes in your .pro file ?

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                            • SGaistS SGaist

                              That's surprising... the slash/backslash conversion should be handled automatically for you.

                              What happens if you uses backslashes in your .pro file ?

                              Please_Help_me_DP Offline
                              Please_Help_me_DP Offline
                              Please_Help_me_D
                              wrote on last edited by
                              #27

                              @SGaist Now I wrote:

                              LIBS += С:\apps\MSVC_apps_debug\HDF5_1106\lib\libhdf5_D.lib \
                                      С:\apps\MSVC_apps_debug\HDF5_1106\lib\libhdf5_hl_D.lib \
                                      С:\apps\MSVC_apps_debug\ZLIB\lib\libzlib_D.lib
                              
                              INCLUDEPATH += С:\apps\MSVC_apps_debug\HDF5_1106\include \
                                             С:\apps\MSVC_apps_debug\ZLIB\include
                              DEPENDPATH += С:\apps\MSVC_apps_debug\HDF5_1106\include \
                                            С:\apps\MSVC_apps_debug\ZLIB\include
                              

                              and I get the same error:
                              C:\Users\tasik\Documents\Qt_Projects\ReadSegy\checkandwritehdf5.h:2: ошибка: C1083: Cannot open include file: 'hdf5.h': No such file or directory

                              The compilator output:
                              22:10:58: Запускается: «C:\Qt\Tools\qtcreator-4.11.0\bin\jom.exe»
                              C:\Qt\Tools\qtcreator-4.11.0\bin\jom.exe -f Makefile.Debug
                              cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zi -MDd -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\ReadSegy.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_CORE_LIB -I..\ReadSegy -I. -IС­:\apps\MSVC_apps_debug\HDF5_1106\include -IС­:\apps\MSVC_apps_debug\ZLIB\include -IC:\Qt\5.12.6\msvc2017_64\include -IC:\Qt\5.12.6\msvc2017_64\include\QtCore -Idebug -IC:\Qt\5.12.6\msvc2017_64\mkspecs\win32-msvc -Fodebug\ @C:\Users\tasik\AppData\Local\Temp\checkandwritehdf5.obj.7080.0.jom
                              checkandwritehdf5.cpp
                              c:\users\tasik\documents\qt_projects\readsegy\checkandwritehdf5.h(2): fatal error C1083: Cannot open include file: 'hdf5.h': No such file or directory
                              cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zi -MDd -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\ReadSegy.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_CORE_LIB -I..\ReadSegy -I. -IС­:\apps\MSVC_apps_debug\HDF5_1106\include -IС­:\apps\MSVC_apps_debug\ZLIB\include -IC:\Qt\5.12.6\msvc2017_64\include -IC:\Qt\5.12.6\msvc2017_64\include\QtCore -Idebug -IC:\Qt\5.12.6\msvc2017_64\mkspecs\win32-msvc -Fodebug\ @C:\Users\tasik\AppData\Local\Temp\main.obj.7080.16.jom
                              main.cpp
                              c:\users\tasik\documents\qt_projects\readsegy\readsegy.h(5): fatal error C1083: Cannot open include file: 'hdf5.h': No such file or directory
                              jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile.Debug [debug\checkandwritehdf5.obj] Error 2
                              cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zi -MDd -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\ReadSegy.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_CORE_LIB -I..\ReadSegy -I. -IС­:\apps\MSVC_apps_debug\HDF5_1106\include -IС­:\apps\MSVC_apps_debug\ZLIB\include -IC:\Qt\5.12.6\msvc2017_64\include -IC:\Qt\5.12.6\msvc2017_64\include\QtCore -Idebug -IC:\Qt\5.12.6\msvc2017_64\mkspecs\win32-msvc -Fodebug\ @C:\Users\tasik\AppData\Local\Temp\readsegy.obj.7080.16.jom
                              readsegy.cpp
                              c:\users\tasik\documents\qt_projects\readsegy\readsegy.h(5): fatal error C1083: Cannot open include file: 'hdf5.h': No such file or directory
                              jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile.Debug [debug\readsegy.obj] Error 2
                              jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile.Debug [debug\main.obj] Error 2
                              jom: C:\Users\tasik\Documents\Qt_Projects\build-ReadSegy-Desktop_Qt_5_12_6_MSVC2017_64_bit-Debug\Makefile [debug] Error 2

                              Both variants are possible? That is useful because I always forget the way I should use slash or backslash :)

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                              • SGaistS Offline
                                SGaistS Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #28

                                Well, by default use forward slashes. Qt does the conversion and you even have specific functions in QDir for converting if you need the native version.

                                Can you show the exact path where the header is located including the file name ?

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                                1
                                • SGaistS SGaist

                                  Well, by default use forward slashes. Qt does the conversion and you even have specific functions in QDir for converting if you need the native version.

                                  Can you show the exact path where the header is located including the file name ?

                                  Please_Help_me_DP Offline
                                  Please_Help_me_DP Offline
                                  Please_Help_me_D
                                  wrote on last edited by
                                  #29

                                  @SGaist ok
                                  i write from my phone now but it is here:
                                  C:/apps/MSVC_debug/HDF5_1106/lib/libhdf5_D.lib
                                  C:/apps/MSVC_debug/HDF5_1106/include

                                  I probably mistaken a little but there is no spaces in path.
                                  A little bit later i can copy the correct path

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                                  0
                                  • SGaistS SGaist

                                    Well, by default use forward slashes. Qt does the conversion and you even have specific functions in QDir for converting if you need the native version.

                                    Can you show the exact path where the header is located including the file name ?

                                    Please_Help_me_DP Offline
                                    Please_Help_me_DP Offline
                                    Please_Help_me_D
                                    wrote on last edited by
                                    #30

                                    @SGaist On SSD disk include directory that contains "hdf5.h" is in:
                                    C:\apps\MSVC_apps_debug\HDF5_1106\include\hdf5.h

                                    And on HDD disk (that used to be the C:\ folder when I had Windows 7):
                                    E:\apps\MSVC_apps_debug\HDF5_NO_MPI\include\hdf5.h

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                                    • SGaistS Offline
                                      SGaistS Offline
                                      SGaist
                                      Lifetime Qt Champion
                                      wrote on last edited by
                                      #31

                                      Might be a silly question but do you have proper read access to these folders ?

                                      One other thing to try, create a new default project and just put the minimal needed to use hdf5.

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                                      • SGaistS SGaist

                                        Might be a silly question but do you have proper read access to these folders ?

                                        One other thing to try, create a new default project and just put the minimal needed to use hdf5.

                                        Please_Help_me_DP Offline
                                        Please_Help_me_DP Offline
                                        Please_Help_me_D
                                        wrote on last edited by
                                        #32

                                        @SGaist yes I have permission. And yesterday I've tried to create new project and copy the content to it but it did't solve the problem.

                                        Few minuts ago I just tried the following. I have two QtCreator: one is standart that comes with Qt (compiled with MSVC 32 C:\Qt\Tools\QtCreator) and other I installed to the folder C:\Qt\Tools\qtcreator-4.11.0 that is compiled with MSVC 64. Yesterday I was trying to use the one that compiled with MSVC 64. But now I tried to use standart QtCreator x32 and it runs the apllication without problem. After that I launched QtCreator x64 and it runs too.

                                        I don't know why this happened but I think there is two possible reasons:

                                        1. I always used wrong path to the library and include directory (I checked it many times but still such things sometimes happen)
                                        2. something that is connected with the build type of QtCreator x32 or x64 (or how they were installed or kits). Both of them of version 4.11.0
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                                        • SGaistS Offline
                                          SGaistS Offline
                                          SGaist
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #33

                                          What I meant was to not use anything from your other project so you would have something completely independent.

                                          As for Qt Creator, its architecture has nothing to do with the architecture of the Qt version you are using.

                                          Anyway, glad you have it working now !

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

                                          Please_Help_me_DP 1 Reply Last reply
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