How to avoid double writes for ijwhost.dll in NuGet packages?

[dedale]

Description

Our repo depends on two custom NuGet packages for .NET 6.0 C++/CLI components.
Both include a specific version of ijwhost.dll depending on the SDK used to build the packages.
This create double writes.
I guess there is no real problem at runtime, both versions should be compatible.
But we do not want to add explicit exclusions in our double write checker tool.

To Reproduce

ijwhost.dll is included in the nuspec with:

<file src="..." target="x64" />

And in the second package by putting ijwhost.dll in deps/netcore folder.

Fix attempts

• Referencing Microsoft.NETCore.App.Host.win-64 in dependencies does not work (DotNetPlatform not supported)
• frameworkReference in the nuspec does not work either (not recognized).

It seems the only option is to create a custom NuGet package including only ijwhost.dll.

See also #24310

[ghost]

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