.NET Core + MSBuild: how to link csproj to multiple project.json files?

Question

edit 3: It seems that what I'm trying to do is not supported; it's actually not possible to “share” project.json files through configurations. I am crowding out this question. How to point to a different project.json location in the .NET Core PCL?

edit 2: Yes, my suspicions were correct. ProjectJsonand ProjectLockJsonare not actually special MSBuild properties, their values ​​were used in another imported MSBuild project to do the actual work. I will post more about this (hopefully in the form of an answer) when I have an update.

edit: I posted the whole project on GitHub so you guys can get a reproduction. Just a git clonerepository, open it in VS, start building, and you should click on the error.

Original publication

I am trying to create a portable class library based on .NET Core. I am having trouble linking multiple project.json files with my csproj. Here is my directory structure:

LibFoo
|
---- LibFoo.csproj
|
---- project.json
|
---- Platforms
     |
     ---- Net45
     |    |
     |    ---- project.json
     |
     ---- Profile32
          |
          ---- project.json

I have two MSBuild platforms (with the exception of AnyCPU), Net45and Profile32. Basically, when it is installed in the .NET Framework 4.5, I want it to compile include.json in the root directory, and project.json in Platforms/Net45. When it is installed on Profile32, I want it to do this with project.json in Platforms/Profile32.

: MSBuild? csproj:

<ItemGroup Condition=" '$(Platform)' == 'Net45' ">
  <!-- Target WPF apps -->
  <TargetPlatform Include=".NETFramework, Version=4.5" />
</ItemGroup>
<ItemGroup Condition=" '$(Platform)' == 'Profile32' ">
  <!-- Target Windows 8.1 Universal apps -->
  <TargetPlatform Include="Windows, Version=8.1" />
  <TargetPlatform Include="WindowsPhoneApp, Version=8.1" />
</ItemGroup>
<ItemGroup>
  <None Include="Platforms\Net45\project.json" />
  <None Include="Platforms\Profile32\project.json" />
</ItemGroup>
<PropertyGroup>
  <ProjectJsonRoot>Platforms\$(Platform)</ProjectJsonRoot>
  <ProjectJson>$(ProjectJsonRoot)\project.json</ProjectJson>
  <ProjectLockJson>$(ProjectJsonRoot)\project.lock.json</ProjectLockJson>
</PropertyGroup>
<ItemGroup>
  <!-- Include a common project.json for shared configs -->
  <None Include="project.json" />
</ItemGroup>

- ProjectJson ProjectLockJson . , , MSBuild, CoreFX, , csproj. - ?

Answer 1

, .csprojs .xprojs. .xproj project.json, .

: http://blog.marcgravell.com/2015/11/the-road-to-dnx-part-1.html

: https://github.com/adamsitnik/BenchmarkDotNet

Answer 2

, , , . , csproj xproj, project.json .

, ( Windows Runtime API ), , , project.json API WinRT, . , :

"frameworks": {
    ".NETPortable,Version=v4.6,Profile32": {
        "frameworkAssemblies": {
            "Windows": { "type": "build" }
        }
    }
}

, System.Runtime System.Linq.

CoreFX . , CoreFX (, project.jsons , this), MSBuild, project.json, buildtools repo.

MSBuild .NET , csproj .