Unresolved external symbols when moving from vs2010 toolset to vs2017 toolset

Asked Mar 12 '19 at 07:58

Active Mar 12 '19 at 07:58

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I have a C++ and a CLI project that use vs2010 platform toolset. I want to move them to vs2017 toolset.

The C++ project compiles fine, but the CLI project throws numerous "unresolved external symbol" errors.

Anyone knows why this happens?

Example of a few errors:

LNK2001 unresolved external symbol "extern "C" void __cdecl __std_exception_copy(struct __std_exception_data const *,struct __std_exception_data *)" (?__std_exception_copy@@$$J0YAXPBU__std_exception_data@@PAU1@@Z)
LNK2001 unresolved external symbol __purecall
LNK2001 unresolved external symbol __imp__strerror

asked Mar 12 '19 at 07:58

Nir

Make sure that all dependencies of your new project were compiled with VS2017. – drescherjm Mar 12 '19 at 08:15
2

The question marked as duplicate does not answer the problem. Anyway, I managed to resolve the issue by adding these dependencies: vcruntime.lib ucrt.lib – Nir Mar 12 '19 at 08:34
Seems like a failure in the project upgrade wizard. – drescherjm Mar 12 '19 at 08:40

Unresolved external symbols when moving from vs2010 toolset to vs2017 toolset

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