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Unable to open System.Private.CoreLib.sln in Mac with "not support framework" error message #20300

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leoninez opened this Issue Oct 8, 2018 · 1 comment

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leoninez commented Oct 8, 2018

Environment Information:

OS : Mac OS 10.13.6
Visual Studio : Visual Studio for Mac Community version 7.6.8 (build 38)
.Net SDK : dotnet-sdk-2.1.402-osx-x64
Coreclr code : Master branch with latest commit as: 6f66b1e

Actions

  1. browser into folder : coreclr/src/System.Private.CoreLib
  2. click "System.Private.CoreLib.sln" to launch the Visual Studio
  3. Visual Studio complains and shows error message

Error Message

Error while trying to load the project '/Users/leoninez/projects/coreclr/src/System.Private.CoreLib/System.Private.CoreLib.csproj': Project does not support framework '.NETPortable,Version=v4.5'

Need help

  1. I wonder if I installed the wrong sdk or anything I missed? Please help me.
  2. The VS in Mac seems only use mono as .net runtime. Could use CoreCLR built from source code as the .net runtime?

Thank you very much

@jkotas jkotas added the area-Build label Oct 8, 2018

@kaby76

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kaby76 commented Feb 2, 2019

I don't know if you solved this problem, but I had a similar problem just on Windows. I could not find any instructions on how to open the .sln file in VS 2017 IDE from a straight clone from the Git repository. Reading the build scripts, a solution that works requires two steps: (a) do a "./build" of the code in Coreclr. This is required to generate files. (b) set PYTHON to the full path of the Python executable, which you can check with "command -v python from within Bash". This is because the .csproj uses $(PYTHON). With that, I can open the .sln file, do critical navigation, evaluation, and changes of the code for my port of System.Private.CoreLib. Building within the IDE doesn't work, but ./build does so NBD.

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