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Context: dotnet/sdk#19050

xamarin-android is hitting this build error with .NET 6 Preview 7:

C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\obj\Debug\net6.0\Java.Interop.ImplicitNamespaceImports.cs(2,1):
error CS8400: Feature 'global using directive' is not available in C# 8.0. Please use language version 10.0 or greater.
[C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\Java.Interop.csproj]

In fact, you can reproduce this by doing:

dotnet new console
dotnet build -p:LangVersion=8.0

It seems like @(Import) item group should not be present unless the
project is C# 10 or higher?

For now, we can set $(DisableImplicitNamespaceImports) to workaround
the issue.

Context: dotnet/sdk#19050

xamarin-android is hitting this build error with .NET 6 Preview 7:

    C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\obj\Debug\net6.0\Java.Interop.ImplicitNamespaceImports.cs(2,1):
    error CS8400: Feature 'global using directive' is not available in C# 8.0. Please use language version 10.0 or greater.
    [C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\Java.Interop.csproj]

In fact, you can reproduce this by doing:

    dotnet new console
    dotnet build -p:LangVersion=8.0

It seems like `@(Import)` item group should not be present unless the
project is C# 10 or higher?

For now, we can set `$(DisableImplicitNamespaceImports)` to workaround
the issue.
@jonathanpeppers jonathanpeppers merged commit 4fb7c14 into dotnet:main Jul 19, 2021
@jonathanpeppers jonathanpeppers deleted the disableimplicitnamespaceimports branch July 19, 2021 21:39
jonpryor pushed a commit that referenced this pull request Aug 25, 2021
Context: dotnet/sdk#19050

xamarin-android is hitting this build error with .NET 6 Preview 7:

    C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\obj\Debug\net6.0\Java.Interop.ImplicitNamespaceImports.cs(2,1):
    error CS8400: Feature 'global using directive' is not available in C# 8.0. Please use language version 10.0 or greater.
    [C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\Java.Interop.csproj]

In fact, you can reproduce this by doing:

    dotnet new console
    dotnet build -p:LangVersion=8.0

It seems like `@(Import)` item group should not be present unless the
project is C# 10 or higher?

For now, we can set `$(DisableImplicitNamespaceImports)` to workaround
the issue.
jpobst pushed a commit that referenced this pull request Sep 30, 2021
Context: dotnet/sdk#19050

xamarin-android is hitting this build error with .NET 6 Preview 7:

    C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\obj\Debug\net6.0\Java.Interop.ImplicitNamespaceImports.cs(2,1):
    error CS8400: Feature 'global using directive' is not available in C# 8.0. Please use language version 10.0 or greater.
    [C:\src\xamarin-android\external\Java.Interop\src\Java.Interop\Java.Interop.csproj]

In fact, you can reproduce this by doing:

    dotnet new console
    dotnet build -p:LangVersion=8.0

It seems like `@(Import)` item group should not be present unless the
project is C# 10 or higher?

For now, we can set `$(DisableImplicitNamespaceImports)` to workaround
the issue.
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2 participants