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So, I´m trying to compile one of ARToolkit´s projects and I´m having some errors: The first one is related to MSVCRT library. when I igonre it in the Linker ->input I get a lot of errors.

Error   1   error LNK2005: _printf already defined in MSVCRT.lib(MSVCR120.dll)

the second type of error is somehow related to unresolved external symbols, here is the output:

Error   2   error LNK2019: unresolved external symbol __imp____acrt_iob_func referenced in function _printf
Error   3   error LNK2019: unresolved external symbol __imp____stdio_common_vfprintf referenced in function _printf 
Error   4   error LNK1120: 2 unresolved externals

I tried this solution and this one and it didn´t work

To be specified, I´m running a Multi-threaded DLL (/MD) as a Runtime Library on Release mode.

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barouni Sarra
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    You cannot mix code (or libraries) that were compiled with VS2015 with code that was compiled with VS2013. Or mix /MT and /MD. Rebuild everything, libraries too. – Hans Passant Apr 08 '16 at 12:41
  • That was quick and useful, Thank you @HansPassant it works now – barouni Sarra Apr 08 '16 at 13:24
  • Hi @HansPassant ! I am trying to compile zlib 1.2.13 for windows and getting "example.obj : error LNK2019: unresolved external symbol __imp____acrt_iob_func referenced in function _main [2023-08-08T19:19:44.077Z] example.exe : fatal error LNK1120: 1 unresolved externals [2023-08-08T19:19:44.077Z] NMAKE : fatal error [2023-08-08T19:19:44.077Z] U1077: '"c:\program files (x86)\microsoft visual studio 12.0\vc\bin\link.EXE"' : return code '0x460'" How can I check with which vs this zlib was compiled? I am using Microsoft Visual Studio\2019 in my code. Any advice would be appreciated! – Marisol Aug 08 '23 at 19:55

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