Can't compile with C++/CLI because of inline namespace

[JulZimmermann]

#1897 fixed a problem because of which fmt didn't compile with MSVC and /clr but 1aeed2d removed the workaround.

8.0.1 seems to be the last version working with C++/CLI

When using any newer version I get

fmt\core.h(252,1): error C2049: 'fmt::v10': non-inline namespace cannot be reopened as inline

Could a workaround be added again?

Thanks!

[vitaut]

{fmt} requires a C++ compiler reasonably compliant with the standard. There are no plans to bring this hack back but you might be able to workaround the issue in C++/CLI by overriding FMT_BEGIN_NAMESPACE / FMT_END_NAMESPACE. I also recommend reporting a bug to Microsoft.

[bj8sk]

What I found, when a C++/CLI project was referencing another CLI assembly, that also uses fmt, I got the error.
Compiling without the referenced assembly was fine.
"reopened" makes sense in that context, somehow the referenced project export the inline namespace, it's already there and you get clash.

[bj8sk]

If you in the referenced assembly encapsulate the fmt includes and calls within unmanaged sections, you can observe in ILSpy that those namespace are no longer exported, and the two projects builds and runs