error LNK2038 mismatch detected for MSC VER value 1600 doesn t match value 1700 in CppFile1 obj

Question

I was converting my projects from VS2010 to VS2012 But I am getting an  MSC VER linker error in certain projects  After a long surfing through google I found out that the issue is due to linking of a library created in VS2010 to VS2012   How can I find out that which projectis causing the error  Here I am quoting the error   Error   6   error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj      D  ProjectLocation Projectname1 lib CppFile2 obj  Projectname2 Error   15  error LNK2001  unresolved external symbol  private  static void   cdecl std  locale  facet   Facet Register class std  locale  facet        Facet Register facet locale std  CAXPAV123  Z   D  ProjectLocation Projectname1 lib CppFile3 obj    Projectname2 Error   13  error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile4 obj    Projectname2 Error   12  error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile5 obj    Projectname2 Error   10  error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile6 obj    Projectname2 Error   11  error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile7 obj    Projectname2 Error   9   error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile8 obj    Projectname2 Error   4   error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj       D  ProjectLocation Projectname1 lib CppFile9 obj     Projectname2 Error   14  error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile10 obj   Projectname2 Error   7   error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile11 obj   Projectname2 Error   8   error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile12 obj   Projectname2 Error   5   error LNK2038  mismatch detected for   MSC VER   value  1600  doesn t match value  1700  in CppFile1 obj    D  ProjectLocation Projectname1 lib CppFile13 obj   Projectname2

User · Answer

I was importing also some projects from VS2010 to VS 2012  I had the same errors  The errors disappeared when I set back Properties   Config  Properties   General   Platform Toolset to v100  VS2010   That might not be the correct approach  however

User · Answer

I upgraded from 2010 to 2013 and after changing all the projects  Platform Toolset  I need to right-click on the Solution and choose Retarget    to make it work

User · Answer

for each project in your solution make sure that   Properties   Config  Properties   General   Platform Toolset   is one for all of them   v100 for visual studio 2010   v110 for visual studio 2012  you also may be working on v100 from visual studio 2012

User · Answer

You are trying to link objects compiled by different versions of the compiler  That s not supported in modern versions of VS  at least not if you are using the C   standard library  Different versions of the standard library are binary incompatible and so you need all the inputs to the linker to be compiled with the same version  Make sure you re-compile all the objects that are to be linked    The compiler error names the objects involved so the information the the question already has the answer you are looking for  Specifically it seems that the static library that you are linking needs to be re-compiled   So the solution is to recompile Projectname1 lib with VS2012

[c++] error LNK2038: mismatch detected for '_MSC_VER': value '1600' doesn't match value '1700' in CppFile1.obj

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