Converting std::__cxx11::string to std::string












61















I use c++11, but also some libraries that are not configured for it, and need some type conversion. In particular I need a way to convert std::__cxx11::string to regular std::string, but googling I can't find a way to do this and putting (string) in front does not work.



If I do not convert I get linker errors like this:



undefined reference to `H5::CompType::insertMember(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned long, H5::DataType const&) const'









share|improve this question




















  • 1





    The error sounds more like the compiler cannot find the insertMember() method.

    – Matthäus Brandl
    Oct 28 '15 at 15:22






  • 1





    Hm, it can find it with other programs I have that do not use c++11

    – jorgen
    Oct 28 '15 at 15:24











  • Actually it seems to be the linker, not the compiler. What does "find" mean, what are those "other programs"?

    – Matthäus Brandl
    Oct 28 '15 at 15:25






  • 1





    Additionally I guess you're using gcc. I would expect that there is some typedef __cxx11::basic_string basic_string somewhere in std namespace of the string header. Do you compile the compilation unit containing H5::CompType as well?

    – Matthäus Brandl
    Oct 28 '15 at 15:28






  • 3





    "I use c++11, but also some libraries that are not configured for it". This situation is problematic and you cannot really expect stuff to work. gcc.gnu.org/wiki/Cxx11AbiCompatibility web.archive.org/web/20170210052503/http://… and so on.

    – n.m.
    Oct 28 '15 at 15:38


















61















I use c++11, but also some libraries that are not configured for it, and need some type conversion. In particular I need a way to convert std::__cxx11::string to regular std::string, but googling I can't find a way to do this and putting (string) in front does not work.



If I do not convert I get linker errors like this:



undefined reference to `H5::CompType::insertMember(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned long, H5::DataType const&) const'









share|improve this question




















  • 1





    The error sounds more like the compiler cannot find the insertMember() method.

    – Matthäus Brandl
    Oct 28 '15 at 15:22






  • 1





    Hm, it can find it with other programs I have that do not use c++11

    – jorgen
    Oct 28 '15 at 15:24











  • Actually it seems to be the linker, not the compiler. What does "find" mean, what are those "other programs"?

    – Matthäus Brandl
    Oct 28 '15 at 15:25






  • 1





    Additionally I guess you're using gcc. I would expect that there is some typedef __cxx11::basic_string basic_string somewhere in std namespace of the string header. Do you compile the compilation unit containing H5::CompType as well?

    – Matthäus Brandl
    Oct 28 '15 at 15:28






  • 3





    "I use c++11, but also some libraries that are not configured for it". This situation is problematic and you cannot really expect stuff to work. gcc.gnu.org/wiki/Cxx11AbiCompatibility web.archive.org/web/20170210052503/http://… and so on.

    – n.m.
    Oct 28 '15 at 15:38
















61












61








61


21






I use c++11, but also some libraries that are not configured for it, and need some type conversion. In particular I need a way to convert std::__cxx11::string to regular std::string, but googling I can't find a way to do this and putting (string) in front does not work.



If I do not convert I get linker errors like this:



undefined reference to `H5::CompType::insertMember(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned long, H5::DataType const&) const'









share|improve this question
















I use c++11, but also some libraries that are not configured for it, and need some type conversion. In particular I need a way to convert std::__cxx11::string to regular std::string, but googling I can't find a way to do this and putting (string) in front does not work.



If I do not convert I get linker errors like this:



undefined reference to `H5::CompType::insertMember(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned long, H5::DataType const&) const'






c++ string c++11 types std






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited May 4 '18 at 0:49









Baum mit Augen

40.6k12116149




40.6k12116149










asked Oct 28 '15 at 15:19









jorgenjorgen

1,13821225




1,13821225








  • 1





    The error sounds more like the compiler cannot find the insertMember() method.

    – Matthäus Brandl
    Oct 28 '15 at 15:22






  • 1





    Hm, it can find it with other programs I have that do not use c++11

    – jorgen
    Oct 28 '15 at 15:24











  • Actually it seems to be the linker, not the compiler. What does "find" mean, what are those "other programs"?

    – Matthäus Brandl
    Oct 28 '15 at 15:25






  • 1





    Additionally I guess you're using gcc. I would expect that there is some typedef __cxx11::basic_string basic_string somewhere in std namespace of the string header. Do you compile the compilation unit containing H5::CompType as well?

    – Matthäus Brandl
    Oct 28 '15 at 15:28






  • 3





    "I use c++11, but also some libraries that are not configured for it". This situation is problematic and you cannot really expect stuff to work. gcc.gnu.org/wiki/Cxx11AbiCompatibility web.archive.org/web/20170210052503/http://… and so on.

    – n.m.
    Oct 28 '15 at 15:38
















  • 1





    The error sounds more like the compiler cannot find the insertMember() method.

    – Matthäus Brandl
    Oct 28 '15 at 15:22






  • 1





    Hm, it can find it with other programs I have that do not use c++11

    – jorgen
    Oct 28 '15 at 15:24











  • Actually it seems to be the linker, not the compiler. What does "find" mean, what are those "other programs"?

    – Matthäus Brandl
    Oct 28 '15 at 15:25






  • 1





    Additionally I guess you're using gcc. I would expect that there is some typedef __cxx11::basic_string basic_string somewhere in std namespace of the string header. Do you compile the compilation unit containing H5::CompType as well?

    – Matthäus Brandl
    Oct 28 '15 at 15:28






  • 3





    "I use c++11, but also some libraries that are not configured for it". This situation is problematic and you cannot really expect stuff to work. gcc.gnu.org/wiki/Cxx11AbiCompatibility web.archive.org/web/20170210052503/http://… and so on.

    – n.m.
    Oct 28 '15 at 15:38










1




1





The error sounds more like the compiler cannot find the insertMember() method.

– Matthäus Brandl
Oct 28 '15 at 15:22





The error sounds more like the compiler cannot find the insertMember() method.

– Matthäus Brandl
Oct 28 '15 at 15:22




1




1





Hm, it can find it with other programs I have that do not use c++11

– jorgen
Oct 28 '15 at 15:24





Hm, it can find it with other programs I have that do not use c++11

– jorgen
Oct 28 '15 at 15:24













Actually it seems to be the linker, not the compiler. What does "find" mean, what are those "other programs"?

– Matthäus Brandl
Oct 28 '15 at 15:25





Actually it seems to be the linker, not the compiler. What does "find" mean, what are those "other programs"?

– Matthäus Brandl
Oct 28 '15 at 15:25




1




1





Additionally I guess you're using gcc. I would expect that there is some typedef __cxx11::basic_string basic_string somewhere in std namespace of the string header. Do you compile the compilation unit containing H5::CompType as well?

– Matthäus Brandl
Oct 28 '15 at 15:28





Additionally I guess you're using gcc. I would expect that there is some typedef __cxx11::basic_string basic_string somewhere in std namespace of the string header. Do you compile the compilation unit containing H5::CompType as well?

– Matthäus Brandl
Oct 28 '15 at 15:28




3




3





"I use c++11, but also some libraries that are not configured for it". This situation is problematic and you cannot really expect stuff to work. gcc.gnu.org/wiki/Cxx11AbiCompatibility web.archive.org/web/20170210052503/http://… and so on.

– n.m.
Oct 28 '15 at 15:38







"I use c++11, but also some libraries that are not configured for it". This situation is problematic and you cannot really expect stuff to work. gcc.gnu.org/wiki/Cxx11AbiCompatibility web.archive.org/web/20170210052503/http://… and so on.

– n.m.
Oct 28 '15 at 15:38














4 Answers
4






active

oldest

votes


















80














Is it possible that you are using GCC 5?




If you get linker errors about undefined references to symbols that involve types in the std::__cxx11 namespace or the tag [abi:cxx11] then it probably indicates that you are trying to link together object files that were compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. This commonly happens when linking to a third-party library that was compiled with an older version of GCC. If the third-party library cannot be rebuilt with the new ABI then you will need to recompile your code with the old ABI.




Source: GCC 5 Release Notes/Dual ABI



Defining the following macro before including any standard library headers should fix your problem: #define _GLIBCXX_USE_CXX11_ABI 0






share|improve this answer





















  • 2





    I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

    – jorgen
    Oct 28 '15 at 16:06






  • 1





    For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

    – Devin Lane
    Sep 29 '16 at 7:50











  • I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

    – Shravan40
    Oct 25 '16 at 5:44



















43














If you can recompile all incompatible libs you use, do it with compiler option




-D_GLIBCXX_USE_CXX11_ABI=1




and then rebuild your project. If you can't do so, add to your project's makefile compiler option




-D_GLIBCXX_USE_CXX11_ABI=0




The define




#define _GLIBCXX_USE_CXX11_ABI 0/1




is also good but you probably need to add it to all your files while compiler option do it for all files at once.






share|improve this answer



















  • 1





    Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

    – ray pixar
    Aug 14 '16 at 5:52













  • Thanks. This flag also worked for me

    – hbobenicio
    Dec 14 '16 at 14:29



















0














I got this, the only way I found to fix this was to update all of mingw-64 (I did this using pacman on msys2 for your information).






share|improve this answer































    0














    For me -D_GLIBCXX_USE_CXX11_ABI=0 didn't help.



    It works after I linked to C++ libs version instead of gnustl.






    share|improve this answer























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      4 Answers
      4






      active

      oldest

      votes








      4 Answers
      4






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      80














      Is it possible that you are using GCC 5?




      If you get linker errors about undefined references to symbols that involve types in the std::__cxx11 namespace or the tag [abi:cxx11] then it probably indicates that you are trying to link together object files that were compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. This commonly happens when linking to a third-party library that was compiled with an older version of GCC. If the third-party library cannot be rebuilt with the new ABI then you will need to recompile your code with the old ABI.




      Source: GCC 5 Release Notes/Dual ABI



      Defining the following macro before including any standard library headers should fix your problem: #define _GLIBCXX_USE_CXX11_ABI 0






      share|improve this answer





















      • 2





        I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

        – jorgen
        Oct 28 '15 at 16:06






      • 1





        For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

        – Devin Lane
        Sep 29 '16 at 7:50











      • I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

        – Shravan40
        Oct 25 '16 at 5:44
















      80














      Is it possible that you are using GCC 5?




      If you get linker errors about undefined references to symbols that involve types in the std::__cxx11 namespace or the tag [abi:cxx11] then it probably indicates that you are trying to link together object files that were compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. This commonly happens when linking to a third-party library that was compiled with an older version of GCC. If the third-party library cannot be rebuilt with the new ABI then you will need to recompile your code with the old ABI.




      Source: GCC 5 Release Notes/Dual ABI



      Defining the following macro before including any standard library headers should fix your problem: #define _GLIBCXX_USE_CXX11_ABI 0






      share|improve this answer





















      • 2





        I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

        – jorgen
        Oct 28 '15 at 16:06






      • 1





        For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

        – Devin Lane
        Sep 29 '16 at 7:50











      • I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

        – Shravan40
        Oct 25 '16 at 5:44














      80












      80








      80







      Is it possible that you are using GCC 5?




      If you get linker errors about undefined references to symbols that involve types in the std::__cxx11 namespace or the tag [abi:cxx11] then it probably indicates that you are trying to link together object files that were compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. This commonly happens when linking to a third-party library that was compiled with an older version of GCC. If the third-party library cannot be rebuilt with the new ABI then you will need to recompile your code with the old ABI.




      Source: GCC 5 Release Notes/Dual ABI



      Defining the following macro before including any standard library headers should fix your problem: #define _GLIBCXX_USE_CXX11_ABI 0






      share|improve this answer















      Is it possible that you are using GCC 5?




      If you get linker errors about undefined references to symbols that involve types in the std::__cxx11 namespace or the tag [abi:cxx11] then it probably indicates that you are trying to link together object files that were compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. This commonly happens when linking to a third-party library that was compiled with an older version of GCC. If the third-party library cannot be rebuilt with the new ABI then you will need to recompile your code with the old ABI.




      Source: GCC 5 Release Notes/Dual ABI



      Defining the following macro before including any standard library headers should fix your problem: #define _GLIBCXX_USE_CXX11_ABI 0







      share|improve this answer














      share|improve this answer



      share|improve this answer








      edited Oct 28 '15 at 15:52

























      answered Oct 28 '15 at 15:44









      Matthäus BrandlMatthäus Brandl

      1,4961424




      1,4961424








      • 2





        I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

        – jorgen
        Oct 28 '15 at 16:06






      • 1





        For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

        – Devin Lane
        Sep 29 '16 at 7:50











      • I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

        – Shravan40
        Oct 25 '16 at 5:44














      • 2





        I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

        – jorgen
        Oct 28 '15 at 16:06






      • 1





        For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

        – Devin Lane
        Sep 29 '16 at 7:50











      • I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

        – Shravan40
        Oct 25 '16 at 5:44








      2




      2





      I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

      – jorgen
      Oct 28 '15 at 16:06





      I tried this; now I get linker errors everywhere I use c++11 functions. Maybe there's no way to get this working with both c++11 and the compiled hdf5 library.

      – jorgen
      Oct 28 '15 at 16:06




      1




      1





      For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

      – Devin Lane
      Sep 29 '16 at 7:50





      For me, on Ubuntu 14.04, g++ 6.2 compiles by default with this set to 0, while on 16.04, the same g++ version compiles with it set to 1. On 14.04, setting this to 1 doesn't seem to actually do anything; the resulting object file isn't using the CXX11 ABI. I suspect this is a system limitation.

      – Devin Lane
      Sep 29 '16 at 7:50













      I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

      – Shravan40
      Oct 25 '16 at 5:44





      I wasn't sure why compiler throwing undefined reference and before searching for solution i checked my entire linkage in program and didn't find anything. After that i decided to search on web and found this. It works like charm, thanks :)

      – Shravan40
      Oct 25 '16 at 5:44













      43














      If you can recompile all incompatible libs you use, do it with compiler option




      -D_GLIBCXX_USE_CXX11_ABI=1




      and then rebuild your project. If you can't do so, add to your project's makefile compiler option




      -D_GLIBCXX_USE_CXX11_ABI=0




      The define




      #define _GLIBCXX_USE_CXX11_ABI 0/1




      is also good but you probably need to add it to all your files while compiler option do it for all files at once.






      share|improve this answer



















      • 1





        Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

        – ray pixar
        Aug 14 '16 at 5:52













      • Thanks. This flag also worked for me

        – hbobenicio
        Dec 14 '16 at 14:29
















      43














      If you can recompile all incompatible libs you use, do it with compiler option




      -D_GLIBCXX_USE_CXX11_ABI=1




      and then rebuild your project. If you can't do so, add to your project's makefile compiler option




      -D_GLIBCXX_USE_CXX11_ABI=0




      The define




      #define _GLIBCXX_USE_CXX11_ABI 0/1




      is also good but you probably need to add it to all your files while compiler option do it for all files at once.






      share|improve this answer



















      • 1





        Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

        – ray pixar
        Aug 14 '16 at 5:52













      • Thanks. This flag also worked for me

        – hbobenicio
        Dec 14 '16 at 14:29














      43












      43








      43







      If you can recompile all incompatible libs you use, do it with compiler option




      -D_GLIBCXX_USE_CXX11_ABI=1




      and then rebuild your project. If you can't do so, add to your project's makefile compiler option




      -D_GLIBCXX_USE_CXX11_ABI=0




      The define




      #define _GLIBCXX_USE_CXX11_ABI 0/1




      is also good but you probably need to add it to all your files while compiler option do it for all files at once.






      share|improve this answer













      If you can recompile all incompatible libs you use, do it with compiler option




      -D_GLIBCXX_USE_CXX11_ABI=1




      and then rebuild your project. If you can't do so, add to your project's makefile compiler option




      -D_GLIBCXX_USE_CXX11_ABI=0




      The define




      #define _GLIBCXX_USE_CXX11_ABI 0/1




      is also good but you probably need to add it to all your files while compiler option do it for all files at once.







      share|improve this answer












      share|improve this answer



      share|improve this answer










      answered May 27 '16 at 8:12









      Denis SirotkinDenis Sirotkin

      43142




      43142








      • 1





        Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

        – ray pixar
        Aug 14 '16 at 5:52













      • Thanks. This flag also worked for me

        – hbobenicio
        Dec 14 '16 at 14:29














      • 1





        Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

        – ray pixar
        Aug 14 '16 at 5:52













      • Thanks. This flag also worked for me

        – hbobenicio
        Dec 14 '16 at 14:29








      1




      1





      Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

      – ray pixar
      Aug 14 '16 at 5:52







      Compiler flag worked for me. thanks. I wasted 4 days for this stupid change in gcc!

      – ray pixar
      Aug 14 '16 at 5:52















      Thanks. This flag also worked for me

      – hbobenicio
      Dec 14 '16 at 14:29





      Thanks. This flag also worked for me

      – hbobenicio
      Dec 14 '16 at 14:29











      0














      I got this, the only way I found to fix this was to update all of mingw-64 (I did this using pacman on msys2 for your information).






      share|improve this answer




























        0














        I got this, the only way I found to fix this was to update all of mingw-64 (I did this using pacman on msys2 for your information).






        share|improve this answer


























          0












          0








          0







          I got this, the only way I found to fix this was to update all of mingw-64 (I did this using pacman on msys2 for your information).






          share|improve this answer













          I got this, the only way I found to fix this was to update all of mingw-64 (I did this using pacman on msys2 for your information).







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Jun 28 '17 at 21:18









          ceorronceorron

          3961925




          3961925























              0














              For me -D_GLIBCXX_USE_CXX11_ABI=0 didn't help.



              It works after I linked to C++ libs version instead of gnustl.






              share|improve this answer




























                0














                For me -D_GLIBCXX_USE_CXX11_ABI=0 didn't help.



                It works after I linked to C++ libs version instead of gnustl.






                share|improve this answer


























                  0












                  0








                  0







                  For me -D_GLIBCXX_USE_CXX11_ABI=0 didn't help.



                  It works after I linked to C++ libs version instead of gnustl.






                  share|improve this answer













                  For me -D_GLIBCXX_USE_CXX11_ABI=0 didn't help.



                  It works after I linked to C++ libs version instead of gnustl.







                  share|improve this answer












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                  answered May 24 '18 at 11:09









                  dimon4egdimon4eg

                  546513




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