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Fix compatibility with older versions of VS - #4271
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vitaut
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Let's move this to ostream.h where it is used.
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Also to clarify: |
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To be precise, it has been supported since MSVC 19.12. Therefore, for versions from 19.00 to 19.12, use _MSVC_LANG instead. fmt has already declared that it does not support MSVC before version 19.00. Here are two version reference tables: _MSC_VER and _MSVC_STL_UPDATE. |
vitaut
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| #ifdef _MSVC_LANG | ||
| # define FMT_CPLUSPLUS _MSVC_LANG | ||
| #else | ||
| # define FMT_CPLUSPLUS __cplusplus | ||
| #endif |
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Could you also revert this unnecessary change to base.h?
vitaut
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Dec 22, 2024
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Just one more minor comment, otherwise LGTM.
vitaut
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This was referenced Dec 25, 2024
This was referenced Mar 3, 2025
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In the previous PR, I mentioned that there were no compatibility issues, but I was wrong. I confused the versions of VS and MSVC. _MSVC_STL_UPDATE appeared later than the VS version that fmt promised to support. This PR will fix this issue.