Microsoft.NETCore.Native.targets

<!--
***********************************************************************************************
Microsoft.NETCore.Native.targets

WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
          created a backup copy.  Incorrect changes to this file will make it
          impossible to load or build your projects from the command-line or the IDE.

This file defines the steps in the build process for native AOT compilation.

Licensed to the .NET Foundation under one or more agreements.
The .NET Foundation licenses this file to you under the MIT license.
***********************************************************************************************
-->
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <!-- Set defaults for unspecified properties -->
  <PropertyGroup>
    <StripSymbols Condition="'$(StripSymbols)' == '' and '$(_targetOS)' != 'win'">true</StripSymbols>
    <NativeLib Condition="'$(OutputType)' == 'Library' and '$(NativeLib)' == '' and '$(IlcMultiModule)' != 'true'">Shared</NativeLib>
    <NativeIntermediateOutputPath Condition="'$(NativeIntermediateOutputPath)' == ''">$(IntermediateOutputPath)native\</NativeIntermediateOutputPath>
    <NativeOutputPath Condition="'$(NativeOutputPath)' == ''">$(OutputPath)native\</NativeOutputPath>
    <NativeCompilationDuringPublish Condition="'$(NativeCompilationDuringPublish)' == ''">true</NativeCompilationDuringPublish>
    <IlcBuildTasksPath Condition="'$(IlcBuildTasksPath)' == ''">$(MSBuildThisFileDirectory)..\tools\netstandard\ILCompiler.Build.Tasks.dll</IlcBuildTasksPath>
    <NativeDebugSymbols Condition="$(DebugType) != 'none' and $(DebugType) != ''">true</NativeDebugSymbols>
    <!-- Workaround for https://github.com/dotnet/runtimelab/issues/771 -->
    <ErrorOnDuplicatePublishOutputFiles>false</ErrorOnDuplicatePublishOutputFiles>
    <PublishTrimmed Condition="'$(PublishTrimmed)' == ''">true</PublishTrimmed>
    <IlcPgoOptimize Condition="'$(IlcPgoOptimize)' == '' and '$(OptimizationPreference)' == 'Speed'">true</IlcPgoOptimize>
    <RunILLink Condition="'$(RunILLink)' == ''">false</RunILLink>
    <IlcTreatWarningsAsErrors Condition="'$(IlcTreatWarningsAsErrors)' == ''">$(TreatWarningsAsErrors)</IlcTreatWarningsAsErrors>
    <_IsiOSLikePlatform Condition="'$(_targetOS)' == 'maccatalyst' or $(_targetOS.StartsWith('ios')) or $(_targetOS.StartsWith('tvos'))">true</_IsiOSLikePlatform>
    <_IsApplePlatform Condition="'$(_targetOS)' == 'osx' or '$(_IsiOSLikePlatform)' == 'true'">true</_IsApplePlatform>
  </PropertyGroup>

  <!-- Set up default feature switches -->
  <PropertyGroup>
    <EventSourceSupport Condition="$(EventSourceSupport) == ''">false</EventSourceSupport>
    <UseWindowsThreadPool Condition="'$(UseWindowsThreadPool)' == '' and '$(_targetOS)' == 'win'">true</UseWindowsThreadPool>
    <DynamicCodeSupport Condition="'$(DynamicCodeSupport)' == ''">false</DynamicCodeSupport>
    <UseSizeOptimizedLinq Condition="'$(UseSizeOptimizedLinq)' == ''">true</UseSizeOptimizedLinq>
  </PropertyGroup>

  <!-- These formats encode function pointers as relative linear-memory addresses, not WASM table indices. -->
  <PropertyGroup Condition="'$(_targetArchitecture)' == 'wasm'">
    <IlcDehydrate Condition="'$(IlcDehydrate)' == ''">false</IlcDehydrate>
    <StackTraceSupport Condition="'$(StackTraceSupport)' == ''">false</StackTraceSupport>
  </PropertyGroup>

  <!-- Configure LINQ expressions -->
  <ItemGroup>
    <RuntimeHostConfigurationOption Include="System.Linq.Expressions.CanEmitObjectArrayDelegate"
                                    Value="false"
                                    Trim="true" />
  </ItemGroup>

  <PropertyGroup Condition="'$(SuppressAotAnalysisWarnings)' == 'true'">
    <EnableAotAnalyzer Condition="'$(EnableAotAnalyzer)' == ''">false</EnableAotAnalyzer>
  </PropertyGroup>

  <PropertyGroup>
    <NativeObjectExt Condition="'$(_targetOS)' == 'win'">.obj</NativeObjectExt>
    <NativeObjectExt Condition="'$(_targetOS)' != 'win'">.o</NativeObjectExt>

    <LibFileExt Condition="'$(_targetOS)' == 'win'">.lib</LibFileExt>
    <LibFileExt Condition="'$(_targetOS)' != 'win'">.a</LibFileExt>

    <IlcOutputFileExt Condition="$(IlcOutputFileExt) == ''">$(NativeObjectExt)</IlcOutputFileExt>

    <IsNativeExecutable Condition="('$(OutputType)' == 'Exe' or '$(OutputType)' == 'WinExe') and '$(NativeLib)' == ''">true</IsNativeExecutable>

    <NativeBinaryExt Condition="'$(IsNativeExecutable)' == 'true' and '$(_targetOS)' == 'win'">.exe</NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' == 'true' and '$(_targetOS)' != 'win'"></NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' == 'true' and '$(_targetArchitecture)' == 'wasm'">.wasm</NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' != 'true' and '$(_targetOS)' == 'win' and '$(NativeLib)' == 'Shared'">.dll</NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' != 'true' and '$(_IsApplePlatform)' == 'true' and '$(NativeLib)' == 'Shared'">.dylib</NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' != 'true' and '$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(NativeLib)' == 'Shared'">.so</NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' != 'true' and '$(_targetOS)' == 'win' and '$(NativeLib)' == 'Static'">.lib</NativeBinaryExt>
    <NativeBinaryExt Condition="'$(IsNativeExecutable)' != 'true' and '$(_targetOS)' != 'win' and '$(NativeLib)' == 'Static'">.a</NativeBinaryExt>

    <NativeBinaryPrefix Condition="'$(UseNativeLibPrefix)' != 'false' and '$(IsNativeExecutable)' != 'true' and '$(_targetOS)' != 'win'">lib</NativeBinaryPrefix>

    <NativeSymbolExt Condition="'$(NativeSymbolExt)' == '' and '$(_IsApplePlatform)' == 'true'">.dSYM</NativeSymbolExt>
    <NativeSymbolExt Condition="'$(NativeSymbolExt)' == '' and '$(_targetOS)' == 'win'">.pdb</NativeSymbolExt>
    <NativeSymbolExt Condition="'$(NativeSymbolExt)' == ''">.dbg</NativeSymbolExt>

    <ExportsFileExt Condition="'$(_targetOS)' == 'win'">.def</ExportsFileExt>
    <ExportsFileExt Condition="'$(_targetOS)' != 'win'">.exports</ExportsFileExt>

    <NativeObject>$(NativeIntermediateOutputPath)$(TargetName)$(NativeObjectExt)</NativeObject>
    <NativeBinary>$(NativeOutputPath)$(NativeBinaryPrefix)$(TargetName)$(NativeBinaryExt)</NativeBinary>
    <NativeImportLibrary Condition="'$(NativeImportLibrary)' == '' and '$(_targetOS)' == 'win' and '$(NativeLib)' == 'Shared'">$(NativeOutputPath)$(NativeBinaryPrefix)$(TargetName)$(LibFileExt)</NativeImportLibrary>
    <_LinkNativeOutputs>$(NativeBinary)</_LinkNativeOutputs>
    <_LinkNativeOutputs Condition="'$(_targetOS)' == 'win' and '$(NativeLib)' == 'Shared' and '$(NativeImportLibrary)' != ''">$(NativeBinary);$(NativeImportLibrary)</_LinkNativeOutputs>
    <NativeExecutableExt Condition="'$(NativeExecutableExt)' == '' and '$(_targetOS)' == 'win'">.exe</NativeExecutableExt>
    <NativeExecutableExt Condition="'$(NativeExecutableExt)' == '' and '$(_targetArchitecture)' == 'wasm'">.wasm</NativeExecutableExt>
    <NativeExecutableExt Condition="'$(NativeExecutableExt)' == ''"></NativeExecutableExt>
    <IlcExportUnmanagedEntrypoints Condition="'$(IlcExportUnmanagedEntrypoints)' == '' and '$(NativeLib)' == 'Shared'">true</IlcExportUnmanagedEntrypoints>
    <ExportsFile Condition="$(ExportsFile) == '' and '$(BuildingFrameworkLibrary)' != 'true'">$(NativeIntermediateOutputPath)$(TargetName)$(ExportsFileExt)</ExportsFile>

    <IlcCompileOutput>$(NativeObject)</IlcCompileOutput>

    <LinkNativeDependsOn>IlcCompile</LinkNativeDependsOn>

    <FrameworkLibPath Condition="'$(FrameworkLibPath)' == ''">$(NativeOutputPath)</FrameworkLibPath>
    <FrameworkObjPath Condition="'$(FrameworkObjPath)' == ''">$(NativeIntermediateOutputPath)</FrameworkObjPath>

    <SharedLibrary Condition="'$(_targetOS)' == 'win'">$(FrameworkLibPath)\Framework$(LibFileExt)</SharedLibrary>
    <SharedLibrary Condition="'$(_targetOS)' != 'win'">$(FrameworkLibPath)\libframework$(LibFileExt)</SharedLibrary>
    <IlcDynamicBuildPropertyDependencies>SetupProperties</IlcDynamicBuildPropertyDependencies>
  </PropertyGroup>

  <PropertyGroup Condition="'$(IlcCompileDependsOn)'=='' and '$(NativeCompilationDuringPublish)' != 'false'">
    <IlcCompileDependsOn Condition="'$(BuildingFrameworkLibrary)' != 'true'">Compile;ComputeIlcCompileInputs</IlcCompileDependsOn>
    <IlcCompileDependsOn Condition="'$(IlcMultiModule)' == 'true' and '$(BuildingFrameworkLibrary)' != 'true'">$(IlcCompileDependsOn);BuildFrameworkLib</IlcCompileDependsOn>
    <IlcCompileDependsOn>$(IlcCompileDependsOn);ComputeAggregateExecutableInputs;SetupOSSpecificProps</IlcCompileDependsOn>
  </PropertyGroup>

  <ItemGroup Condition="$(IlcSystemModule) == ''">
    <UnmanagedEntryPointsAssembly Include="System.Private.CoreLib,HIDDEN" />
    <AutoInitializedAssemblies Include="System.Private.CoreLib" />
    <AutoInitializedAssemblies Include="System.Private.StackTraceMetadata" Condition="$(StackTraceSupport) != 'false'" />
    <AutoInitializedAssemblies Include="System.Private.TypeLoader" />
    <AutoInitializedAssemblies Include="System.Private.Reflection.Execution" />
  </ItemGroup>

  <ItemDefinitionGroup>
    <ManagedBinary>
      <IlcRspFile>$(NativeIntermediateOutputPath)\%(Filename).ilc.rsp</IlcRspFile>
      <IlcOutputFile>$(NativeIntermediateOutputPath)\%(Filename)$(IlcOutputFileExt)</IlcOutputFile>
    </ManagedBinary>
  </ItemDefinitionGroup>

  <!-- The properties below need to be defined only after we've found the correct runtime package reference -->
  <Target Name="SetupProperties" DependsOnTargets="$(IlcSetupPropertiesDependsOn)">
    <ItemGroup>
      <_NETCoreAppFrameworkReference Include="@(ResolvedFrameworkReference)" Condition="'%(ResolvedFrameworkReference.RuntimePackName)' == 'Microsoft.NETCore.App.Runtime.NativeAOT.$(RuntimeIdentifier)'" />
    </ItemGroup>

    <PropertyGroup>
      <!--
        If we're actually using the runtime pack from the ResolvedFrameworkReference, pull the path from there.
        Otherwise pull it from the RuntimePackagePath.
      -->
      <_NETCoreAppRuntimePackPath Condition="'$(PublishAotUsingRuntimePack)' == 'true'">%(_NETCoreAppFrameworkReference.RuntimePackPath)/runtimes/$(RuntimeIdentifier)/</_NETCoreAppRuntimePackPath>
      <_NETCoreAppRuntimePackPath Condition="'$(PublishAotUsingRuntimePack)' != 'true'">$(RuntimePackagePath)/runtimes/$(RuntimeIdentifier)/</_NETCoreAppRuntimePackPath>
      <IlcFrameworkPath Condition="'$(IlcFrameworkPath)' == ''">$(_NETCoreAppRuntimePackPath)\lib\</IlcFrameworkPath>
      <IlcFrameworkNativePath Condition="'$(IlcFrameworkNativePath)' == ''">$(_NETCoreAppRuntimePackPath)\native\</IlcFrameworkNativePath>
      <IlcSdkPath Condition="'$(IlcSdkPath)' == ''">$(IlcFrameworkNativePath)</IlcSdkPath>
    </PropertyGroup>

    <PropertyGroup>
      <!-- Define paths used in build targets to point to the runtime-specific ILCompiler implementation -->
      <IlcToolsPath Condition="'$(IlcToolsPath)' == ''">$(IlcHostPackagePath)\tools\</IlcToolsPath>
      <IlcMibcPath Condition="'$(IlcMibcPath)' == ''">$(RuntimePackagePath)\mibc\</IlcMibcPath>
    </PropertyGroup>

    <ItemGroup>
      <PrivateSdkAssemblies Include="$(IlcSdkPath)*.dll"/>
      <FrameworkAssemblies Include="@(RuntimePackAsset)" Condition="'$(PublishAotUsingRuntimePack)' == 'true' and '%(Extension)' == '.dll'" />
      <!-- When we aren't pulling in runtime pack assets, make sure we manually grab the assets that the SDK would select from within the package. -->
      <FrameworkAssemblies Include="$(IlcFrameworkPath)**/*.dll" Condition="'$(PublishAotUsingRuntimePack)' != 'true'" />
      <DefaultFrameworkAssemblies Include="@(FrameworkAssemblies)" />
      <DefaultFrameworkAssemblies Include="@(PrivateSdkAssemblies)" Exclude="@(DefaultFrameworkAssemblies)" />
    </ItemGroup>

    <ItemGroup>
      <MibcFile Include="$(IlcMibcPath)*.mibc" Condition="'$(IlcPgoOptimize)' == 'true'" />
    </ItemGroup>
  </Target>

  <Target Name="ComputeIlcCompileInputs" DependsOnTargets="$(IlcDynamicBuildPropertyDependencies)">
    <ItemGroup>
      <ManagedBinary Condition="$(BuildingFrameworkLibrary) != 'true'" Include="@(IntermediateAssembly)" />
      <IlcCompileInput Include="@(ManagedBinary)" />
      <!-- _ComputeIlcCompileInputs in Publish.targets normally populates IlcReference from
           ResolvedFileToPublish. It doesn't run when NativeCompilationDuringPublish is false
           (Publish.targets not imported) or BuildingFrameworkLibrary is true (condition on
           _ComputeIlcCompileInputs). Fall back to DefaultFrameworkAssemblies directly. -->
      <IlcReference Condition="'$(NativeCompilationDuringPublish)' == 'false' or '$(BuildingFrameworkLibrary)' == 'true'" Include="@(DefaultFrameworkAssemblies)" />
    </ItemGroup>
  </Target>

  <Target Name="ComputeAggregateExecutableInputs"
          DependsOnTargets="ResolveReferences">

    <ItemGroup>
      <_AggregateExecutableReferencePath Include="@(ReferencePath)"
                                   Condition="'%(ReferencePath.ReferenceSourceTarget)' == 'ProjectReference' and '%(ReferencePath.IncludeInAggregateExecutable)' == 'true'">
        <AssemblyName>%(ReferencePath.Filename)</AssemblyName>
        <SanitizedAssemblyName>__AggregateExeShim_$([System.Text.RegularExpressions.Regex]::Replace('%(ReferencePath.Filename)', '[^A-Za-z0-9_]', '_'))</SanitizedAssemblyName>
        <AssemblyNameHash>$([MSBuild]::StableStringHash('%(ReferencePath.Filename)', 'Sha256'))</AssemblyNameHash>
      </_AggregateExecutableReferencePath>
      <_AggregateExecutableReferencePath>
        <EntryPointSymbol>_AggregateExeMain_%(SanitizedAssemblyName)_%(AssemblyNameHash)</EntryPointSymbol>
        <ShimLinkerSubsystem Condition="'%(_AggregateExecutableReferencePath.LinkerSubsystem)' != ''">%(_AggregateExecutableReferencePath.LinkerSubsystem)</ShimLinkerSubsystem>
        <ShimLinkerSubsystem Condition="'%(_AggregateExecutableReferencePath.LinkerSubsystem)' == '' and '$(LinkerSubsystem)' != ''">$(LinkerSubsystem)</ShimLinkerSubsystem>
        <ShimLinkerSubsystem Condition="'%(_AggregateExecutableReferencePath.LinkerSubsystem)' == '' and '$(LinkerSubsystem)' == ''">CONSOLE</ShimLinkerSubsystem>
        <ShimSource>$(NativeIntermediateOutputPath)%(AssemblyName).aggregateexe.c</ShimSource>
        <ShimObject>$(NativeIntermediateOutputPath)%(AssemblyName).aggregateexe$(NativeObjectExt)</ShimObject>
        <ShimCompileRspFile>$(NativeIntermediateOutputPath)%(AssemblyName).aggregateexe.cl.rsp</ShimCompileRspFile>
        <ShimLinkRspFile>$(NativeIntermediateOutputPath)%(AssemblyName).aggregateexe.link.rsp</ShimLinkRspFile>
        <ShimResourceFile>$(NativeIntermediateOutputPath)%(AssemblyName).aggregateexe.res</ShimResourceFile>
        <ShimCompileLinkRspFile>$(NativeIntermediateOutputPath)%(AssemblyName).aggregateexe.rsp</ShimCompileLinkRspFile>
        <ShimBinary>$(NativeOutputPath)%(AssemblyName)$(NativeExecutableExt)</ShimBinary>
        <ShimSymbol>$(NativeOutputPath)%(AssemblyName)$(NativeSymbolExt)</ShimSymbol>
      </_AggregateExecutableReferencePath>
      <_AggregateExecutableShim Include="%(_AggregateExecutableReferencePath.ShimBinary)">
        <RelativePath>%(_AggregateExecutableReferencePath.AssemblyName)$(NativeExecutableExt)</RelativePath>
      </_AggregateExecutableShim>
      <_AggregateExecutableShimSymbol Include="%(_AggregateExecutableReferencePath.ShimSymbol)" Condition="'$(NativeDebugSymbols)' == 'true'">
        <RelativePath>%(_AggregateExecutableReferencePath.AssemblyName)$(NativeSymbolExt)</RelativePath>
      </_AggregateExecutableShimSymbol>
    </ItemGroup>

    <PropertyGroup>
      <_AggregateExecutable Condition="'$(NativeLib)' == 'Shared' and '@(_AggregateExecutableReferencePath)' != ''">true</_AggregateExecutable>
    </PropertyGroup>

    <Error Condition="'@(_AggregateExecutableReferencePath)' != '' and '$(OutputType)' != 'Library'" Text="IncludeInAggregateExecutable requires OutputType=Library." />
    <Error Condition="'@(_AggregateExecutableReferencePath)' != '' and '$(NativeLib)' != 'Shared'" Text="IncludeInAggregateExecutable requires NativeLib=Shared." />
    <Error Condition="'@(_AggregateExecutableReferencePath)' != '' and '$(EnablePreviewFeatures)' != 'true'" Text="IncludeInAggregateExecutable requires EnablePreviewFeatures=true." />
  </Target>

  <!--
    BuildFrameworkLib is invoked before IlcCompile in multi-module builds to
    produce the shared framework library on demand
  -->
  <Target Name="BuildFrameworkLib" Condition="'$(DisableFrameworkLibGeneration)' != 'true'" DependsOnTargets="$(IlcDynamicBuildPropertyDependencies)">
    <ItemGroup>
     <!-- This builds the project with the ILC implementation in the identified runtime package to avoid resolving it again  -->
      <ProjectToBuild Include="$(MSBuildThisFileDirectory)BuildFrameworkNativeObjects.proj">
        <AdditionalProperties>
          IntermediateOutputPath=$(IntermediateOutputPath);
          FrameworkLibPath=$(FrameworkLibPath);
          FrameworkObjPath=$(FrameworkObjPath);
          RuntimePackagePath=$(RuntimePackagePath);
          IlcHostPackagePath=$(IlcHostPackagePath);
          TargetArchitecture=$(_targetArchitecture);
        </AdditionalProperties>
      </ProjectToBuild>
    </ItemGroup>
    <MSBuild Projects="@(ProjectToBuild)" BuildInParallel="true" />
  </Target>

  <Target Name="WriteIlcRspFileForCompilation"
      Outputs="%(ManagedBinary.IlcRspFile)"
      DependsOnTargets="$(IlcCompileDependsOn)">

    <ItemGroup>
      <_IlcRootedAssemblies Include="@(TrimmerRootAssembly)" Condition="%(TrimmerRootAssembly.RootMode) != 'EntryPoint'" />
      <_IlcRootedAssemblies Include="@(_IlcManagedInputAssemblies->'%(Filename)')" Condition="%(_IlcManagedInputAssemblies.TrimMode) == 'copy'" />
      <_IlcConditionallyRootedAssemblies Include="@(_IlcManagedInputAssemblies->'%(Filename)')" Condition="%(_IlcManagedInputAssemblies.TrimMode) == 'copyused'" />
      <_IlcTrimmedAssemblies Include="@(_IlcManagedInputAssemblies->'%(Filename)')" Condition="%(_IlcManagedInputAssemblies.TrimMode) == 'link'" />
      <_IlcSingleWarnAssemblies Include="@(_IlcManagedInputAssemblies->'%(Filename)')" Condition="%(_IlcManagedInputAssemblies.TrimmerSingleWarn) == 'true'" />
      <_IlcNoSingleWarnAssemblies Include="@(_IlcManagedInputAssemblies->'%(Filename)')" Condition="%(_IlcManagedInputAssemblies.TrimmerSingleWarn) == 'false'" />
    </ItemGroup>

    <PropertyGroup>
      <_IlcMethodBodyFoldingValue Condition="$(IlcFoldIdenticalMethodBodies) == 'true' or $(StackTraceSupport) == 'false'">all</_IlcMethodBodyFoldingValue>
      <_IlcMethodBodyFoldingValue Condition="$(_IlcMethodBodyFoldingValue) == '' and $(IlcFoldIdenticalMethodBodies) != 'false' and $(IlcMultiModule) != 'true'">generic</_IlcMethodBodyFoldingValue>
      <_IlcMethodBodyFoldingValue Condition="$(_IlcMethodBodyFoldingValue) == '' or $(Optimize) != 'true'">none</_IlcMethodBodyFoldingValue>
    </PropertyGroup>

    <ItemGroup>
      <IlcArg Include="@(IlcCompileInput)" />
      <IlcArg Include="-o:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename)$(IlcOutputFileExt)" />
      <IlcArg Include="@(IlcReference->'-r:%(Identity)')" />
      <IlcArg Include="@(IlcSatelliteAssembly->'--satellite:%(Identity)')" />
      <IlcArg Include="@(MibcFile->'--mibc:%(Identity)')" />
      <IlcArg Condition="$(IlcGenerateMetadataLog) == 'true'" Include="--metadatalog:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).metadata.csv" />
      <IlcArg Condition="'$(_targetOS)' != ''" Include="--targetos:$(_targetOS)" />
      <IlcArg Condition="$(_targetArchitectureWithAbi) != ''" Include="--targetarch:$(_targetArchitectureWithAbi)" />
      <IlcArg Condition="$(IlcMultiModule) == 'true'" Include="--multifile" />
      <IlcArg Condition="$(IlcMultiModule) != 'true' and '$(IlcDehydrate)' != 'false' and ($(_targetOS) != 'win' or '$(OptimizationPreference)' == 'Size' or '$(IlcDehydrate)' == 'true')" Include="--dehydrate" />
      <IlcArg Condition="$(Optimize) == 'true'" Include="-O" />
      <IlcArg Condition="$(NativeDebugSymbols) == 'true'" Include="-g" />
      <IlcArg Condition="$(IlcDwarfVersion) == '5'" Include="--gdwarf-5" />
      <IlcArg Condition="$(IlcGenerateMapFile) == 'true'" Include="--map:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).map.xml" />
      <IlcArg Condition="$(IlcGenerateMstatFile) == 'true'" Include="--mstat:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).mstat" />
      <IlcArg Condition="$(IlcGenerateDgmlFile) == 'true'" Include="--dgmllog:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).codegen.dgml.xml" />
      <IlcArg Condition="$(IlcGenerateDgmlFile) == 'true'" Include="--scandgmllog:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).scan.dgml.xml" />
      <IlcArg Condition="$(IlcMultiModule) != 'true' and $(NativeDebugSymbols) == 'true' and $(EnableSourceLink) == 'true' and $(_targetOS) == 'win'" Include="--sourcelink:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).sourcelink" />
      <IlcArg Include="@(RdXmlFile->'--rdxml:%(FullPath)')" />
      <IlcArg Include="@(TrimmerRootDescriptor->'--descriptor:%(FullPath)')" />
      <IlcArg Condition="'$(NativeLib)' != ''" Include="--nativelib" />
      <IlcArg Condition="'$(CustomNativeMain)' == 'true'" Include="--splitinit" />
      <IlcArg Condition="'$(ExportsFile)' != ''" Include="--exportsfile:$(ExportsFile)" />
      <IlcArg Condition="'$(_targetOS)' == 'win' and '$(DebuggerSupport)' != 'false'" Include="--export-dynamic-symbol:DotNetRuntimeContractDescriptor,DATA" />
      <IlcArg Condition="'$(_targetOS)' != 'win' and '$(_targetArchitecture)' != 'wasm' and '$(DebuggerSupport)' != 'false'" Include="--export-dynamic-symbol:DotNetRuntimeContractDescriptor" />
      <IlcArg Condition="'$(_targetOS)' == 'freebsd' and '$(IsNativeExecutable)' == 'true'" Include="--export-dynamic-symbol:__progname;--export-dynamic-symbol:environ" />
      <IlcArg Condition="'$(IlcExportUnmanagedEntrypoints)' == 'true'" Include="--export-unmanaged-entrypoints" />
      <IlcArg Include="@(AutoInitializedAssemblies->'--initassembly:%(Identity)')" />
      <IlcArg Include="@(DirectPInvoke->'--directpinvoke:%(Identity)')" />
      <IlcArg Include="@(DirectPInvokeList->'--directpinvokelist:%(Identity)')" />
      <IlcArg Include="@(_TrimmerFeatureSettings->'--feature:%(Identity)=%(Value)')" />
      <IlcArg Include="@(RuntimeHostConfigurationOption->'--runtimeknob:%(Identity)=%(Value)')" />
      <IlcArg Include="--runtimeknob:RUNTIME_IDENTIFIER=$(RuntimeIdentifier)" />
      <IlcArg Condition="$(ServerGarbageCollection) == 'true'" Include="--runtimeopt:gcServer=1" />
      <IlcArg Condition="$(IlcGenerateCompleteTypeMetadata) == 'true'" Include="--completetypemetadata" />
      <IlcArg Condition="$(StackTraceSupport) != 'false' and $(StackTraceLineNumberSupport) != 'true'" Include="--stacktracedata:frames" />
      <IlcArg Condition="$(StackTraceSupport) != 'false' and $(StackTraceLineNumberSupport) == 'true'" Include="--stacktracedata:lines" />
      <IlcArg Condition="$(IlcScanReflection) != 'false'" Include="--scanreflection" />
      <IlcArg Include="--methodbodyfolding:$(_IlcMethodBodyFoldingValue)" />
      <IlcArg Condition="$(Optimize) == 'true' and $(OptimizationPreference) == 'Size'" Include="--Os" />
      <IlcArg Condition="$(Optimize) == 'true' and $(OptimizationPreference) == 'Speed'" Include="--Ot" />
      <IlcArg Condition="'$(_linuxLibcFlavor)' == 'bionic'" Include="--noinlinetls" />
      <IlcArg Condition="$(IlcInstructionSet) != ''" Include="--instruction-set:$(IlcInstructionSet)" />
      <IlcArg Condition="$(IlcMaxVectorTBitWidth) != ''" Include="--max-vectort-bitwidth:$(IlcMaxVectorTBitWidth)" />
      <IlcArg Condition="$(IlcSingleThreaded) == 'true'" Include="--parallelism:1" />
      <IlcArg Condition="$(IlcSystemModule) != ''" Include="--systemmodule:$(IlcSystemModule)" />
      <IlcArg Condition="$(TypeMapEntryAssembly) != ''" Include="--typemap-entry-assembly:$(TypeMapEntryAssembly)" />
      <IlcArg Condition="'$(_targetOS)' == 'win' and $(IlcMultiModule) != 'true' and '$(IlcGenerateWin32Resources)' != 'false' and '$(NativeLib)' != 'Static'" Include="--win32resourcemodule:%(ManagedBinary.Filename)" />
      <IlcArg Condition="$(IlcDumpIL) == 'true'" Include="--ildump:$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).il" />
      <IlcArg Condition="$(NoWarn) != ''" Include='--nowarn:"$([MSBuild]::Escape($(NoWarn)).Replace(`%0A`, ``).Replace(`%0D`, ``))"' />
      <IlcArg Condition="$(IlcTreatWarningsAsErrors) == 'true'" Include="--warnaserror" />
      <IlcArg Condition="$(WarningsAsErrors) != ''" Include='--warnaserr:"$([MSBuild]::Escape($(WarningsAsErrors)).Replace(`%0A`, ``).Replace(`%0D`, ``))"' />
      <IlcArg Condition="$(WarningsNotAsErrors) != ''" Include='--nowarnaserr:"$([MSBuild]::Escape($(WarningsNotAsErrors)).Replace(`%0A`, ``).Replace(`%0D`, ``))"' />
      <IlcArg Condition="$(TrimmerSingleWarn) == 'true'" Include="--singlewarn" />
      <IlcArg Condition="$(SuppressTrimAnalysisWarnings) == 'true'" Include="--notrimwarn" />
      <IlcArg Condition="$(SuppressAotAnalysisWarnings) == 'true'" Include="--noaotwarn" />
      <IlcArg Condition="$(IlcVerboseLogging) == 'true'" Include="--verbose" />
      <IlcArg Condition="$(IlcTrimMetadata) == 'false'" Include="--reflectiondata:all" />
      <IlcArg Condition="'$(ControlFlowGuard)' == 'Guard' and '$(_targetOS)' == 'win'" Include="--guard:cf" />
      <IlcArg Include="@(_IlcRootedAssemblies->'--root:%(Identity)')" />
      <IlcArg Include="@(_IlcConditionallyRootedAssemblies->'--conditionalroot:%(Identity)')" />
      <IlcArg Include="@(_IlcTrimmedAssemblies->'--trim:%(Identity)')" />
      <IlcArg Include="@(_IlcSingleWarnAssemblies->'--singlewarnassembly:%(Identity)')" />
      <IlcArg Include="@(_IlcNoSingleWarnAssemblies->'--nosinglewarnassembly:%(Identity)')" />
      <IlcArg Condition="'$(TrimmerDefaultAction)' == 'copyused' or '$(TrimmerDefaultAction)' == 'copy' or '$(TrimMode)' == 'partial'" Include="--defaultrooting" />
      <IlcArg Condition="$(IlcResilient) != 'false'" Include="--resilient" />
      <IlcArg Include="@(UnmanagedEntryPointsAssembly->'--generateunmanagedentrypoints:%(Identity)')" />
      <IlcArg Condition="$(IlcOrderFile) != ''" Include="--order:$(IlcOrderFile)" />
      <IlcArg Condition="$(IlcOrderFile) != ''" Include="--method-layout:explicit" />

      <!-- The managed debugging support in libraries is unused - trim it -->
      <IlcArg Condition="'$(DebuggerSupport)' != 'true'" Include="--feature:System.Diagnostics.Debugger.IsSupported=false" />

      <!-- Export the managed entry point if building a native library in custom main mode -->
      <IlcArg Condition="'$(NativeLib)' == 'Shared' and '$(CustomNativeMain)' == 'true'" Include="--export-dynamic-symbol:__managed__Main" />
      <IlcArg Condition="'@(_AggregateExecutableReferencePath)' != ''" Include="@(_AggregateExecutableReferencePath->'--aggregateexe:%(AssemblyName)=%(EntryPointSymbol)')" />
      <IlcArg Condition="'@(_AggregateExecutableReferencePath)' != ''" Include="@(_AggregateExecutableReferencePath->'--export-dynamic-symbol:%(EntryPointSymbol)')" />

      <IlcArg Condition="'$(_InstrumentReachability)' == 'true'" Include="--reachabilityinstrument" />
      <IlcArg Condition="'$(_InstrumentReachability)' == 'true'" Include="--feature:Internal.Runtime.CompilerHelpers.ReachabilityInstrumentationSupport=true" />
      <IlcArg Condition="'$(_ReachabilityInstrumentationFile)' != ''" Include="--reachabilityuse:$(_ReachabilityInstrumentationFile)" />
      <IlcArg Condition="'$(_InstrumentReachability)' == 'true' or '$(_ReachabilityInstrumentationFile)' != ''" Include="--noinlinetls" />
      <IlcArg Condition="'$(_InstrumentReachability)' == 'true' or '$(_ReachabilityInstrumentationFile)' != ''" Include="--nopreinitstatics" />
    </ItemGroup>

    <MakeDir Directories="$(NativeIntermediateOutputPath)" />
    <WriteLinesToFile File="%(ManagedBinary.IlcRspFile)" Lines="@(IlcArg)" Overwrite="true" WriteOnlyWhenDifferent="true" />
  </Target>

  <Target Name="IlcCompile"
      Inputs="@(IlcCompileInput);@(IlcReference);@(IlcSatelliteAssembly);@(RdXmlFile);$(IlcOrderFile);%(ManagedBinary.IlcRspFile)"
      Outputs="%(ManagedBinary.IlcOutputFile)"
      DependsOnTargets="WriteIlcRspFileForCompilation;$(IlcCompileDependsOn)">
    <Message Text="Generating native code" Importance="high" />

    <PropertyGroup>
      <_IlcEnvironmentVariables Condition="'$(IlcUseServerGc)' == 'false'">DOTNET_gcServer=0;$(_IlcEnvironmentVariables)</_IlcEnvironmentVariables>
    </PropertyGroup>

    <Exec Command="&quot;$(IlcToolsPath)\ilc&quot; @&quot;$(NativeIntermediateOutputPath)%(ManagedBinary.Filename).ilc.rsp&quot;"
          EnvironmentVariables="$(_IlcEnvironmentVariables)" />

    <!-- Trick ILLinker into not actually running -->
    <MakeDir Condition="$([MSBuild]::VersionLessThan('$(NETCoreSdkVersion)', '7.0.0'))" Directories="$(IntermediateLinkDir)" />
    <Touch Condition="$([MSBuild]::VersionLessThan('$(NETCoreSdkVersion)', '7.0.0'))" Files="$(_LinkSemaphore)" AlwaysCreate="true" />
  </Target>

  <Import Project="$(MSBuildThisFileDirectory)Microsoft.NETCore.Native.Windows.targets" Condition="'$(_targetOS)' == 'win'" />
  <Import Project="$(MSBuildThisFileDirectory)Microsoft.NETCore.Native.Unix.targets" Condition="'$(_targetOS)' != 'win' and '$(_targetArchitecture)' != 'wasm'" />
  <Import Project="$(MSBuildThisFileDirectory)Microsoft.NETCore.Native.Wasm.targets" Condition="'$(_targetArchitecture)' == 'wasm'" />

  <Target Name="MultiFileCopyNative"
      Inputs="@(NativeObjects)"
      Outputs="$(NativeOutputPath)"
      DependsOnTargets="GetNativeObjects">

      <Copy SourceFiles="@(NativeObjects)" DestinationFolder="$(NativeOutputPath)" />
  </Target>

  <Target Name="LinkNative"
      Inputs="$(NativeObject);@(NativeLibrary)"
      Outputs="$(_LinkNativeOutputs)"
      DependsOnTargets="$(LinkNativeDependsOn)">

    <ItemGroup>
      <CustomLinkerArg Include="&quot;$(NativeObject)&quot;" />
      <CustomLinkerArg Include="-o &quot;$(NativeBinary)&quot;" Condition="'$(_targetOS)' != 'win'" />
      <CustomLinkerArg Include="/OUT:&quot;$(NativeBinary)&quot;" Condition="'$(_targetOS)' == 'win'" />
      <CustomLinkerArg Include="/IMPLIB:&quot;$(NativeImportLibrary)&quot;" Condition="'$(_targetOS)' == 'win' and '$(NativeLib)' == 'Shared' and '$(NativeImportLibrary)' != ''" />
      <CustomLinkerArg Include="/DEF:&quot;$(ExportsFile)&quot;" Condition="'$(_targetOS)' == 'win' and $(ExportsFile) != ''" />
      <CustomLinkerArg Include="/LIBPATH:&quot;%(AdditionalNativeLibraryDirectories.Identity)&quot;" Condition="'$(_targetOS)' == 'win' and '@(AdditionalNativeLibraryDirectories->Count())' &gt; 0" />
      <CustomLinkerArg Include="-exported_symbols_list &quot;$(ExportsFile)&quot;" Condition="'$(_IsApplePlatform)' == 'true' and '$(ExportsFile)' != ''" />
      <CustomLinkerArg Include="-exported_symbols_list /dev/null" Condition="'$(OutputType)' == 'exe' and '$(_IsApplePlatform)' == 'true' and '$(ExportsFile)' == ''" />
      <CustomLinkerArg Include="-Wl,--version-script=&quot;$(ExportsFile)&quot;" Condition="'$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm' and '$(ExportsFile)' != ''" />
      <CustomLinkerArg Include="-Wl,--export-dynamic" Condition="'$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm' and '$(ExportsFile)' != ''" />
      <CustomLinkerArg Include="-Wl,-u,DotNetRuntimeContractDescriptor" Condition="'$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm' and '$(DebuggerSupport)' != 'false'" />
      <CustomLinkerArg Include="-Wl,-dead_strip" Condition="'$(_IsApplePlatform)' == 'true'" />
      <CustomLinkerArg Include="@(LinkerArg)" />
    </ItemGroup>
    <ItemGroup Condition="'$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm'">
      <CustomLinkerArg Include="-Wl,--discard-all" />
      <CustomLinkerArg Include="-Wl,--gc-sections" Condition="'$(LinkerFlavor)' == '' or '$(LinkerFlavor)' == 'bfd' or '$(LinkerFlavor)' == 'lld'" />
      <CustomLinkerArg Include="-Wl,-T,&quot;$(NativeIntermediateOutputPath)sections.ld&quot;" Condition="'$(LinkerFlavor)' == 'lld' and '$(_LinkerVersion)' &gt; '12'" />
    </ItemGroup>
    <ItemGroup>
      <CustomLibArg Include="-crs &quot;$(NativeBinary)&quot;" Condition="'$(_targetOS)' != 'win'" />
      <CustomLibArg Include="/OUT:&quot;$(NativeBinary)&quot;" Condition="'$(_targetOS)' == 'win'" />
      <CustomLibArg Include="&quot;$(NativeObject)&quot;" />
    </ItemGroup>

    <MakeDir Directories="$([System.IO.Path]::GetDirectoryName($(NativeBinary)))" />

    <!-- https://github.com/dotnet/runtimelab/issues/956 - we IgnoreStandardErrorWarningFormat on macOS because there's a lot of warnings -->
    <PropertyGroup>
      <_IgnoreLinkerWarnings>false</_IgnoreLinkerWarnings>
      <_IgnoreLinkerWarnings Condition="'$(_IsApplePlatform)' == 'true'">true</_IgnoreLinkerWarnings>
    </PropertyGroup>

    <!-- write linker script for lld (13+) to retain the __modules section -->
    <WriteLinesToFile File="$(NativeIntermediateOutputPath)sections.ld" Lines="OVERWRITE_SECTIONS { __modules : { KEEP(*(__modules)) } }" Overwrite="true" Condition="'$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm' and '$(LinkerFlavor)' == 'lld' and '$(_LinkerVersion)' &gt; '12'" />

    <Exec Command="&quot;$(CppLinker)&quot; @(CustomLinkerArg, ' ')"
      Condition="'$(_targetOS)' != 'win' and '$(NativeLib)' != 'Static'"
      IgnoreStandardErrorWarningFormat="$(_IgnoreLinkerWarnings)"
      CustomWarningRegularExpression="$(IlcCppLinkerCustomWarningRegularExpression)" />
    <Exec Command="&quot;$(CppLibCreator)&quot; @(CustomLibArg, ' ')" Condition="'$(_targetOS)' != 'win' and '$(NativeLib)' == 'Static'" />

    <WriteLinesToFile File="$(NativeIntermediateOutputPath)link.rsp" Lines="@(CustomLinkerArg)" Overwrite="true" Encoding="utf-8" Condition="'$(_targetOS)' == 'win' and '$(NativeLib)' != 'Static'" />
    <Exec Command="&quot;$(CppLinker)&quot; @&quot;$(NativeIntermediateOutputPath)link.rsp&quot;"
      Condition="'$(_targetOS)' == 'win' and '$(NativeLib)' != 'Static'"
      CustomWarningRegularExpression="$(IlcCppLinkerCustomWarningRegularExpression)" />
    <WriteLinesToFile File="$(NativeIntermediateOutputPath)lib.rsp" Lines="@(CustomLibArg)" Overwrite="true" Encoding="utf-8" Condition="'$(_targetOS)' == 'win' and '$(NativeLib)' == 'Static'" />
    <Exec Command="&quot;$(CppLibCreator)&quot; @&quot;$(NativeIntermediateOutputPath)lib.rsp&quot;" Condition="'$(_targetOS)' == 'win' and '$(NativeLib)' == 'Static'" />

    <!-- remove executable flag -->
    <Exec Command="chmod 644 &quot;$(NativeBinary)&quot;" Condition="'$(NativeLib)' == 'Shared' and !$([MSBuild]::IsOSPlatform('Windows'))" />

    <!-- strip symbols, see https://github.com/dotnet/runtime/blob/5d3288d/eng/native/functions.cmake#L374 -->
    <Exec Condition="'$(StripSymbols)' == 'true' and '$(NativeDebugSymbols)' == 'true' and '$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm'"
      Command="&quot;$(ObjCopyName)&quot; --only-keep-debug &quot;$(NativeBinary)&quot; &quot;$(NativeBinary)$(NativeSymbolExt)&quot;" />
    <Exec Condition="'$(StripSymbols)' == 'true' and '$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm'"
      Command="&quot;$(ObjCopyName)&quot; --strip-debug --strip-unneeded &quot;$(NativeBinary)&quot;" />
    <Exec Condition="'$(StripSymbols)' == 'true' and '$(NativeDebugSymbols)' == 'true' and '$(_targetOS)' != 'win' and '$(_IsApplePlatform)' != 'true' and '$(_targetArchitecture)' != 'wasm'"
      Command="&quot;$(ObjCopyName)&quot; --add-gnu-debuglink=&quot;$(NativeBinary)$(NativeSymbolExt)&quot; &quot;$(NativeBinary)&quot;" />

    <Exec Condition="'$(StripSymbols)' == 'true' and '$(_IsApplePlatform)' == 'true' and '$(NativeLib)' != 'Static'"
      IgnoreStandardErrorWarningFormat="true"
      Command="
        dsymutil $(DsymUtilOptions) &quot;$(NativeBinary)&quot; &amp;&amp;
        strip -no_code_signature_warning -x &quot;$(NativeBinary)&quot;" />
  </Target>

  <Target Name="CreateLib"
    DependsOnTargets="$(CreateLibDependsOn);$(IlcDynamicBuildPropertyDependencies);SetupOSSpecificProps"
    Inputs="@(LibInputs)"
    Outputs="$(SharedLibrary)" >

    <ItemGroup>
      <CustomLibArg Include="/out:$(SharedLibrary)" Condition="'$(_targetOS)' == 'win'" />
      <CustomLibArg Include="-crs $(SharedLibrary)" Condition="'$(_targetOS)' != 'win'" />
      <CustomLibArg Include="@(LibInputs->'%(Identity)')" />
    </ItemGroup>
    <MakeDir Directories="$(NativeIntermediateOutputPath)" />
    <WriteLinesToFile File="$(NativeIntermediateOutputPath)lib.rsp" Lines="@(CustomLibArg)" Overwrite="true" Encoding="utf-8" Condition="'$(_targetOS)' == 'win'" />
    <MakeDir Directories="$([System.IO.Path]::GetDirectoryName($(SharedLibrary)))" />
    <Exec Command="&quot;$(CppLibCreator)&quot; @&quot;$(NativeIntermediateOutputPath)lib.rsp&quot;" Condition="'$(_targetOS)' == 'win'" />
    <Exec Command="&quot;$(CppLibCreator)&quot; @(CustomLibArg, ' ')" Condition="'$(_targetOS)' != 'win'" />
  </Target>

  <Import Project="$(MSBuildThisFileDirectory)Microsoft.NETCore.Native.Publish.targets" Condition="'$(NativeCompilationDuringPublish)' != 'false'" />

</Project>