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wilhelmberg/cross-platform-msbuild-configuration.md

Last active April 30, 2019 17:53
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cross platform msbuild configuration
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cross-platform-msbuild-configuration.md

  • Porting MSBuild Projects To XBuild

    <NuGetCommand Condition=" '$(NuGetCommand)'=='' AND '$(OS)' == 'Windows_NT'">"$(NuGetExe)"</NuGetCommand>
<NuGetCommand Condition=" '$(NuGetCommand)'=='' AND '$(OS)' != 'Windows_NT' ">mono --runtime=v4.0.30319 "$(NuGetExe)"</NuGetCommand>

  • Cross Platform Builds on Windows and Mono with MSBuild

    <Reference Include="Windows.Specific.dll" Condition=" '$(OS)' != 'Unix' "/>
<Reference Include="NonWindows.Specific.dll" Condition=" '$(OS)' == 'Unix' "/>

Problems detecting OS in MSBuild/xbuild

  • MSBuilds has: $(OS) -> OSX/Unix/Windows_NT EDIT!! OSX seem to have been removed recently: dotnet/msbuild#538
  • xbuild only has: $(OS) -> Unix/Windows_NT, on Mac it also evaluates to Unix

[RFC] Detecting current OS in targets:

MSBuild sets the $(OS) property to OSX/Unix/Windows at runtime, which can be used in targets to determine the current OS. But xbuild has been using $(OS)==Unix on OSX and Linux, because of an old mono bug. And it continues to do so for compatibility reasons.

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