<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <BeforeClCompileTargets>
      $(BeforeClCompileTargets);
      GenerateClangPrecompileHeader;
      FixupClangIncludePrecompileHeader;
    </BeforeClCompileTargets>
  </PropertyGroup>

  <Target Name="FixupClangIncludePrecompileHeader"
        Condition="'@(ClCompile)' != ''">
    <ItemGroup>
      <ClCompile>
        <!-- Convert the /Yc /Yu switchs to clang -include-pch -->
        <AdditionalOptions Condition="'%(ClCompile.PrecompiledHeader)'!='NotUsing'">%(ClCompile.AdditionalOptions) -Xclang -include-pch -Xclang %(ClCompile.PrecompiledHeaderOutputFile)</AdditionalOptions>

        <!-- Clear the precompiled header command from CL.exe so that the PCH doesn't get deleted by the ClCompile Target-->
        <PrecompiledHeaderOutputFile></PrecompiledHeaderOutputFile>
        <PrecompiledHeader>NotUsing</PrecompiledHeader>
      </ClCompile>
    </ItemGroup>
  </Target>

  <Target Name="GenerateClangPrecompileHeader" BeforeTargets="ClCompile" Condition="'@(ClCompile)' != ''"
          DependsOnTargets="SelectClCompile">
    <CL Condition="'%(ClCompile.PrecompiledHeader)' == 'Create' and '%(ClCompile.ExcludedFromBuild)'!='true' and '%(ClCompile.CompilerIteration)' == ''"
        BuildingInIDE                      ="$(BuildingInsideVisualStudio)"
        Sources                            ="@(ClCompile)"

        AdditionalIncludeDirectories       ="%(ClCompile.AdditionalIncludeDirectories)"
        AdditionalOptions                  ="%(ClCompile.AdditionalOptions) -Xclang -emit-pch -o %(ClCompile.PrecompiledHeaderOutputFile)"
        AdditionalUsingDirectories         ="%(ClCompile.AdditionalUsingDirectories)"
        AssemblerListingLocation           ="%(ClCompile.AssemblerListingLocation)"
        AssemblerOutput                    ="%(ClCompile.AssemblerOutput)"
        BasicRuntimeChecks                 ="%(ClCompile.BasicRuntimeChecks)"
        BrowseInformation                  ="%(ClCompile.BrowseInformation)"
        BrowseInformationFile              ="%(ClCompile.BrowseInformationFile)"
        BufferSecurityCheck                ="%(ClCompile.BufferSecurityCheck)"
        CallingConvention                  ="%(ClCompile.CallingConvention)"
        ControlFlowGuard                   ="%(ClCompile.ControlFlowGuard)"
        CompileAsManaged                   ="%(ClCompile.CompileAsManaged)"
        CompileAsWinRT                     ="%(ClCompile.CompileAsWinRT)"
        CompileAs                          ="%(ClCompile.CompileAs)"
        DebugInformationFormat             ="%(ClCompile.DebugInformationFormat)"
        DisableLanguageExtensions          ="%(ClCompile.DisableLanguageExtensions)"
        DisableSpecificWarnings            ="%(ClCompile.DisableSpecificWarnings)"
        EnableEnhancedInstructionSet       ="%(ClCompile.EnableEnhancedInstructionSet)"
        EnableFiberSafeOptimizations       ="%(ClCompile.EnableFiberSafeOptimizations)"
        EnableParallelCodeGeneration       ="%(ClCompile.EnableParallelCodeGeneration)"
        EnablePREfast                      ="%(ClCompile.EnablePREfast)"
        EnforceTypeConversionRules         ="%(ClCompile.EnforceTypeConversionRules)"
        ErrorReporting                     ="%(ClCompile.ErrorReporting)"
        ExceptionHandling                  ="%(ClCompile.ExceptionHandling)"
        ExcludedInputPaths                 ="$(ExcludePath)"
        ExpandAttributedSource             ="%(ClCompile.ExpandAttributedSource)"
        FavorSizeOrSpeed                   ="%(ClCompile.FavorSizeOrSpeed)"
        FloatingPointExceptions            ="%(ClCompile.FloatingPointExceptions)"
        FloatingPointModel                 ="%(ClCompile.FloatingPointModel)"
        ForceConformanceInForLoopScope     ="%(ClCompile.ForceConformanceInForLoopScope)"
        ForcedIncludeFiles                 ="%(ClCompile.ForcedIncludeFiles)"
        ForcedUsingFiles                   ="%(ClCompile.ForcedUsingFiles)"
        FunctionLevelLinking               ="%(ClCompile.FunctionLevelLinking)"
        GenerateXMLDocumentationFiles      ="%(ClCompile.GenerateXMLDocumentationFiles)"
        IgnoreStandardIncludePath          ="%(ClCompile.IgnoreStandardIncludePath)"
        InlineFunctionExpansion            ="%(ClCompile.InlineFunctionExpansion)"
        IntrinsicFunctions                 ="%(ClCompile.IntrinsicFunctions)"
        MinimalRebuild                     ="%(ClCompile.MinimalRebuild)"
        MultiProcessorCompilation          ="%(ClCompile.MultiProcessorCompilation)"
        
        OmitDefaultLibName                 ="%(ClCompile.OmitDefaultLibName)"
        OmitFramePointers                  ="%(ClCompile.OmitFramePointers)"
        OpenMPSupport                      ="%(ClCompile.OpenMPSupport)"
        Optimization                       ="%(ClCompile.Optimization)"
        PrecompiledHeader                  ="%(ClCompile.PrecompiledHeader)"
        PrecompiledHeaderFile              ="%(ClCompile.PrecompiledHeaderFile)"
        PrecompiledHeaderOutputFile        ="%(ClCompile.PrecompiledHeaderOutputFile)"
        PREfastAdditionalOptions           ="%(ClCompile.PREfastAdditionalOptions)"
        PREfastAdditionalPlugins           ="%(ClCompile.PREfastAdditionalPlugins)"
        PREfastLog                         ="%(ClCompile.PREfastLog)"
        PreprocessKeepComments             ="%(ClCompile.PreprocessKeepComments)"
        PreprocessorDefinitions            ="%(ClCompile.PreprocessorDefinitions)"
        PreprocessSuppressLineNumbers      ="%(ClCompile.PreprocessSuppressLineNumbers)"
        PreprocessToFile                   ="%(ClCompile.PreprocessToFile)"
        ProcessorNumber                    ="%(ClCompile.ProcessorNumber)"
        ProgramDataBaseFileName            ="%(ClCompile.ProgramDataBaseFileName)"
        RemoveUnreferencedCodeData         ="%(ClCompile.RemoveUnreferencedCodeData)"
        RuntimeLibrary                     ="%(ClCompile.RuntimeLibrary)"
        RuntimeTypeInfo                    ="%(ClCompile.RuntimeTypeInfo)"
        SDLCheck                           ="%(ClCompile.SDLCheck)"
        ShowIncludes                       ="%(ClCompile.ShowIncludes)"
        WarningVersion                     ="%(ClCompile.WarningVersion)"
        SmallerTypeCheck                   ="%(ClCompile.SmallerTypeCheck)"
        StringPooling                      ="%(ClCompile.StringPooling)"
        StructMemberAlignment              ="%(ClCompile.StructMemberAlignment)"
        SuppressStartupBanner              ="%(ClCompile.SuppressStartupBanner)"
        TreatSpecificWarningsAsErrors      ="%(ClCompile.TreatSpecificWarningsAsErrors)"
        TreatWarningAsError                ="%(ClCompile.TreatWarningAsError)"
        TreatWChar_tAsBuiltInType          ="%(ClCompile.TreatWChar_tAsBuiltInType)"
        UndefineAllPreprocessorDefinitions ="%(ClCompile.UndefineAllPreprocessorDefinitions)"
        UndefinePreprocessorDefinitions    ="%(ClCompile.UndefinePreprocessorDefinitions)"
        UseFullPaths                       ="%(ClCompile.UseFullPaths)"
        UseUnicodeForAssemblerListing      ="%(ClCompile.UseUnicodeForAssemblerListing)"
        WarningLevel                       ="%(ClCompile.WarningLevel)"
        WholeProgramOptimization           ="%(ClCompile.WholeProgramOptimization)"
        WinRTNoStdLib                      ="%(ClCompile.WinRTNoStdLib)"
        XMLDocumentationFileName           ="%(ClCompile.XMLDocumentationFileName)"
        CreateHotpatchableImage            ="%(CLCompile.CreateHotpatchableImage)"

        TrackerLogDirectory                ="%(ClCompile.TrackerLogDirectory)"

        TLogReadFiles                      ="@(CLTLogReadFiles)"
        TLogWriteFiles                     ="@(CLTLogWriteFiles)"
        ToolExe                            ="$(CLToolExe)"
        ToolPath                           ="$(CLToolPath)"
        TrackFileAccess                    ="$(TrackFileAccess)"
        MinimalRebuildFromTracking         ="%(ClCompile.MinimalRebuildFromTracking)"
        ToolArchitecture                   ="$(CLToolArchitecture)"
        TrackerFrameworkPath               ="$(CLTrackerFrameworkPath)"
        TrackerSdkPath                     ="$(CLTrackerSdkPath)"
        TrackedInputFilesToIgnore          ="@(ClNoDependencies)"
        DeleteOutputOnExecute              ="$(CLDeleteOutputOnExecute)"

        AcceptableNonZeroExitCodes         ="%(ClCompile.AcceptableNonZeroExitCodes)"
        YieldDuringToolExecution           ="$(ClYieldDuringToolExecution)"
    >
    </CL>
  </Target>
</Project>