Re: [boost 1.85.0 MSVC142-64 ]type_name.hpp(354,2): error C2766: explicit specialization; 'boost::core::detail::tn_holder<unsigned short>' has already been defined

From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2024-07-10 09:50:36

On 7/10/24 12:31, Bhuyan, Jyotideep via Boost wrote:
> Hello,
> 
> I am updating my code from boost version 1.78 to boost 1.85. and facing build issues "error C2766: explicit specialization; 'boost::core::detail::tn_holder<unsigned short>' has already been defined"
> 
> Below is the error that I am facing that needs your help. I could not find any code or direct header file inclusion in my code related to the below error.
> 
> C:\<my boost>\boost_1_85\boost\boost\core\type_name.hpp(354,2): error C2766: explicit specialization; 'boost::core::detail::tn_holder<unsigned short>' has already been defined.
> C:\<my boost>\boost_1_85\boost\boost\core\type_name.hpp(273): message : see previous definition of 'tn_holder<unsigned short>
> 
> 
> Please note that after upgrading to boost 1.85, the compiler was not able to find "#include <boost/function/detail/prologue.hpp>", I checked this file is not present in the new version. Hence, I have commented header file inclusion in my code.
> 
> I am building the code for MSVC142 (C++14) for 64-bit Windows 10 architecture.

I think it has already been reported and fixed:

https://github.com/boostorg/core/issues/173

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