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Can't build runtime with recent SDK due to IsTrimmable errors #91010
Description
Build fails with the IsTrimmable is not supported for the target framework. Consider multi-targeting to a supported framework to enable trimming, and set IsTrimmable only for the supported frameworks. error.
Build FAILED.
C:\Program Files\dotnet\sdk\8.0.100-rc.2.23422.11\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5): error NETSDK1212: IsTrimmable is not supported for the target framework. Consider multi-targeting to a supported framework to enable trimming, and set IsTrimmable only for the supported frameworks. For example: [C:\MihaZupan\runtime\Build.proj]
C:\Program Files\dotnet\sdk\8.0.100-rc.2.23422.11\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5): error NETSDK1212: <IsTrimmable Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))">true</IsTrimmable> [C:\MihaZupan\runtime\Build.proj]
C:\Program Files\dotnet\sdk\8.0.100-rc.2.23422.11\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5): error NETSDK1212: IsTrimmable is not supported for the target framework. Consider multi-targeting to a supported framework to enable trimming, and set IsTrimmable only for the supported frameworks. For example: [C:\MihaZupan\runtime\Build.proj]
C:\Program Files\dotnet\sdk\8.0.100-rc.2.23422.11\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5): error NETSDK1212: <IsTrimmable Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))">true</IsTrimmable> [C:\MihaZupan\runtime\Build.proj]
0 Warning(s)
2 Error(s)
I see net6.0 mentioned in the message - will this problem potentially go away with #90880?
Activity
ViktorHofer commentedon Aug 23, 2023
cc @jkoritzinsky
jkoritzinsky commentedon Aug 23, 2023
This is an issue with a new warning in the SDK. It should go away with #90880, but in the meantime, if you can get a binlog of the NuGet restore, you can figure out which project is having the failure. @sbomer would know more about how to easily trace this down without a binlog.
sbomer commentedon Aug 23, 2023
dotnet/docs#36775 has more details about the breaking change. I'm curious why source-build hasn't reported the break since it looks like they updated to the RC1 SDK in dotnet/dotnet@a61d7e3. We might still need to fix this in .NET 8 though.
sbomer commentedon Sep 1, 2023
I think we can close this as fixed by #90880. Pretty sure source-build is avoiding the issue because of source-build specific settings, such as having some analyzers disabled. Please re-open if this it's still a problem somewhere.