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Invalid Visual Studio for MAC debug build error

I am getting the following error while building a .NET Core MVC application.

Projects / MVCCoreTest / MVCCoreTest / CSC: Error CS1902: Invalid debug option portable'. Valid options are

full 'or `pdbonly' (CS1902) (MVCCoreTest)

What does this mean and where can I set these valid parameters?

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5 answers


I should clarify that if you build a project with VS for Mac you shouldn't have this problem, but if you clone it for example and build it on Windows then you probably get this problem.

I resolved the error by removing the Nuget packages associated with the Roslyn compiler:

  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net452" />
  <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net452" developmentDependency="true" />

so the Mono compiler will run. It is for this reason that the csc compiler prevails over the mcs



Also don't forget to remove lines from csproj:

<Error Condition="!Exists('..\packages\Microsoft.Net.Compilers.1.0.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Net.Compilers.1.0.0\build\Microsoft.Net.Compilers.props'))" />
<Error Condition="!Exists('..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.0\build\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.0\build\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props'))" />

Hope it helps,

Sincerely.

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  • Select project options by right clicking on the project ....

  • Go to "Compiler"

  • Change "Debug Info" to "Full" or "Portable". He must solve this problem.



Please let me know if this helped.

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You can upgrade mono to 5.0, this is a bug in mono 4.8.0 with MSBuild.

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You can also update the package link from Microsoft.Net.Compilers.1.0.0 to Microsoft.Net.Compilers.2.10.0 which worked for me.

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The update NuGet packages

fixes the error for me. From the menu bar select:

Project > Update NuGet Packages

and it's over, you are all set

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