C
C#•2y ago
sasik

✅ Creating a cross-platform csproj supporting any .NET and any platform -linux,osx,amd64,arm64

Hello, I have a project that I would like to be able to run on any machine, from linux/amd64 with mono installed to (dated) linux/amd64 with dotnet 5 to osx/amd64 and osx/arm64 with the latest dotnet 7. To be more specific, what I would like to achieve: - when I type dotnet build/test/run, I would like to run it using the current platform and any available framework (I can safely assume there is just one) - when I type dotnet publish it is published as a self-contained application My current csproj (excerpt) 
  <PropertyGroup>
    <TargetFramework Condition="'$(MSBuildRuntimeType)' == 'Core'">net5</TargetFramework>
    <TargetFramework Condition="'$(MSBuildRuntimeType)' != 'Core'">net461</TargetFramework>
    <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
    <OutputType>Exe</OutputType>
    <RollForward>Major</RollForward>
    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
    <IsPublishable>false</IsPublishable>
  </PropertyGroup>
  <PropertyGroup>
    <TargetFramework Condition="'$(MSBuildRuntimeType)' == 'Core'">net5</TargetFramework>
    <TargetFramework Condition="'$(MSBuildRuntimeType)' != 'Core'">net461</TargetFramework>
    <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
    <OutputType>Exe</OutputType>
    <RollForward>Major</RollForward>
    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
    <IsPublishable>false</IsPublishable>
  </PropertyGroup>
And if the csproj is publishable, then I add also this: 
  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseApp' ">
    <IsPublishable>true</IsPublishable>
    <SelfContained>true</SelfContained>
    <!-- PublishSingleFile messes app.config and adds no real benefit -->
    <PublishSingleFile>false</PublishSingleFile>
    <PublishTrimmed>true</PublishTrimmed>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseApp' ">
    <IsPublishable>true</IsPublishable>
    <SelfContained>true</SelfContained>
    <!-- PublishSingleFile messes app.config and adds no real benefit -->
    <PublishSingleFile>false</PublishSingleFile>
    <PublishTrimmed>true</PublishTrimmed>
  </PropertyGroup>
Issues: - this lets me only handle .NET 4.6.1 (which I use via mono), .NET 5 and .NET 6. It won't work on .NET 7 strange thing here: <RollForward> (I've played with Major, LatestMajor) works if .NET 6 is installed but it doesn't work when .NET 7 is the only available runtime . Does it mean, that RollForward is only able to bump the major version by 1? - it doesn't work on osx. I have to manually change the <RuntimeIdentifier> - differently for osx/arm64 and for osx/amd64 How to do this well?
4 Replies
Angius
Angius•2y ago
Why not just create a self-contained build that bundles the framework with it? Or do you also want to be able to develop it wherever? Because that sounds like a major PITA with no upsides
sasik
sasik•2y ago
short answer is yes, I want to be able to develop it wherever for production use, I do build a self-contained app, currently using net5 (I do want to update it but I also want to do it gradually and carefully due to possible performance drops which I already encountered multiple times in the past) and btw. I've found out a really simple solution: 
<PropertyGroup>
  <FrameworkDescription>$([System.Runtime.InteropServices.RuntimeInformation]::FrameworkDescription.ToLower())</FrameworkDescription>
  <TargetFramework Condition="$(FrameworkDescription.Contains('net 7'))">net7</TargetFramework>
  <TargetFramework Condition="$(FrameworkDescription.Contains('net 6'))">net6</TargetFramework>
  <TargetFramework Condition="$(FrameworkDescription.Contains('net 5'))">net5</TargetFramework>
  <TargetFramework Condition="$(FrameworkDescription.Contains('mono'))">net461</TargetFramework>
</PropertyGroup>
<PropertyGroup>
  <FrameworkDescription>$([System.Runtime.InteropServices.RuntimeInformation]::FrameworkDescription.ToLower())</FrameworkDescription>
  <TargetFramework Condition="$(FrameworkDescription.Contains('net 7'))">net7</TargetFramework>
  <TargetFramework Condition="$(FrameworkDescription.Contains('net 6'))">net6</TargetFramework>
  <TargetFramework Condition="$(FrameworkDescription.Contains('net 5'))">net5</TargetFramework>
  <TargetFramework Condition="$(FrameworkDescription.Contains('mono'))">net461</TargetFramework>
</PropertyGroup>
Accord
Accord•2y ago
Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.
sasik
sasik•2y ago
Closing the issue although if anyone, ever, even in 10 years, will come across a better solution, please, let me know
Want results from more Discord servers?
Add your server
More Posts
✅ EF Core SeedersHow do I handle seeders in EF Core? Is there a way to split seeders away from migrations? Currently ❔ ✅ Equation in codeI have thsese two equations, one is inverse of another. I managed to get orange equation to work b❔ ✅ Trouble printing values```cs class Program { public static void Main() { var square = new Square(5); ❔ Environment variables vs configuration files for storing secretsA project I am working on started out with very few, very simple (string) secrets and sensitive info❔ Implementing RoleStore/RoleManagerHey, I'm dealing with roles for my 2nd time ever and I can't seem to figure this out. ``` System.N❔ Rewrite .NET Framework 4.5.1 SOAP client to REST in .NET 6I have this SOAP web service that I rewrote to REST. That part wasn't so hard, but now I have to rew❔ Is it possible to define a struct inline ?instead of doing this ```cs [System.Serializable] public struct Properties { pu❔ Help with Dictionary<string,string>I have a series of textBoxes to enter strings like first name, last name etc. Each character of the ❔ Error Provider Windows Formsim not sure how to get the error providers working❔ HttpResponse CacheHeadersI have two questions. Why is this list only returning one item? Also, the server gives me `public ma