Platforms.targets

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <PropertyGroup>
    <MSBuildAllProjects Condition=" '$(MSBuildVersion)' == '' Or '$(MSBuildVersion)' &lt; '16.0' ">$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
  </PropertyGroup>

  <PropertyGroup>
    <_SdkPlatformName>$(TargetFrameworkIdentifier)</_SdkPlatformName>
    <_SdkPlatformName Condition="'$(TargetFrameworkIdentifier)' == '.NETCore' OR '$(TargetFrameworkIdentifier)' == 'WindowsPhoneApp'">Windows</_SdkPlatformName>
    <_SdkPlatformName Condition="'$(TargetFrameworkIdentifier)' == '.NETPortable'">Portable</_SdkPlatformName>
    <_SdkPlatformName Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">NETFramework</_SdkPlatformName>
    <_SdkPlatformName Condition="$(TargetFrameworkIdentifier.StartsWith('Xamarin'))">Xamarin</_SdkPlatformName>
    <_SdkPlatformName Condition="'$(TargetFrameworkIdentifier)' == 'MonoAndroid' OR '$(TargetFrameworkIdentifier)' == 'MonoTouch' OR '$(TargetFrameworkIdentifier)' == 'MonoMac'">Xamarin</_SdkPlatformName>
  </PropertyGroup>

  <PropertyGroup Condition="'$(LanguageTargets)' == '' ">
    <LanguageTargets Condition="Exists('$(MSBuildThisFileDirectory)LanguageTargets\$(_SdkPlatformName).targets')">$(MSBuildThisFileDirectory)LanguageTargets\$(_SdkPlatformName).targets</LanguageTargets>
  </PropertyGroup>

  <!-- Add conditional compilation symbols for the target framework and one with version -->
  <PropertyGroup Condition="'$(DisableImplicitFrameworkDefines)' != 'true'">
    <ImplicitFrameworkIdentifierDefine>$(TargetFrameworkIdentifier.TrimStart('.').Replace('.','_').ToUpperInvariant())</ImplicitFrameworkIdentifierDefine>
    <ImplicitFrameworkDefine>$(TargetFramework.Replace('.','_').Replace('-','_').Replace('+','_').ToUpperInvariant())</ImplicitFrameworkDefine>
    <_SdkRuntimeIdentifierDefine Condition="'$(RuntimeIdentifier)' != ''">$(RuntimeIdentifier.Replace('.','_').Replace('-','_').ToUpperInvariant())</_SdkRuntimeIdentifierDefine>
  </PropertyGroup>

  <PropertyGroup Condition="'$(PlatformTargets)' == ''">
    <PlatformTargets>$(MSBuildThisFileDirectory)Platforms\$(_SdkPlatformName).targets</PlatformTargets>
  </PropertyGroup>

  <Import Project="$(PlatformTargets)" Condition="Exists('$(PlatformTargets)')"/>

  <PropertyGroup Condition="'$(DisableImplicitFrameworkDefines)' != 'true' AND '$(_SdkLanguageSourceName)' != 'VisualBasic'">
    <DefineConstants Condition="'$(_SdkImplicitFrameworkProfileDefine)' != ''">$(DefineConstants);$(_SdkImplicitFrameworkProfileDefine)</DefineConstants>
    <DefineConstants Condition="'$(_SdkRuntimeIdentifierDefine)' != ''">$(DefineConstants);$(_SdkRuntimeIdentifierDefine)</DefineConstants>
  </PropertyGroup>

  <PropertyGroup Condition="'$(DisableImplicitFrameworkDefines)' != 'true' AND '$(_SdkLanguageSourceName)' == 'VisualBasic'">
    <FinalDefineConstants Condition="'$(_SdkImplicitFrameworkProfileDefine)' != ''">$(FinalDefineConstants),$(_SdkImplicitFrameworkProfileDefine)=-1</FinalDefineConstants>
    <FinalDefineConstants Condition="'$(_SdkRuntimeIdentifierDefine)' != ''">$(FinalDefineConstants),$(_SdkRuntimeIdentifierDefine)=-1</FinalDefineConstants>
  </PropertyGroup>

  <!-- The conditional compilation symbols defined in the above import and the property-group flows to the Main SDK -->
  <PropertyGroup Condition="'$(DisableImplicitFrameworkDefines)' != 'true'">    
    <!--<DisableImplicitFrameworkDefines>true</DisableImplicitFrameworkDefines> -->
    <VersionlessImplicitFrameworkDefine>$(ImplicitFrameworkIdentifierDefine)</VersionlessImplicitFrameworkDefine>
  </PropertyGroup>

  <ItemGroup Condition="'$(DisableImplicitFrameworkReferences)' != 'true'">
    <!-- Set Pack=false on implicit references so they don't get added to NuGet packages as framework assemblies -->
    <_SdkImplicitReference Update="@(_SdkImplicitReference)" Pack="false"/>

    <!--
      Don't duplicate any references that are explicit in the project file.
      This means that if you do want to include a framework assembly in your NuGet package,
      you can just add the Reference to your project file.
    -->
    <_SdkImplicitReference Remove="@(Reference)"/>

    <!-- Add the implicit references to @(Reference) -->
    <Reference Include="@(_SdkImplicitReference)"/>
  </ItemGroup>

</Project>