Visual C++ prerelease tools property sheet

VisualCppTools.props

<!--
    Updated for VS2017; Intel compiler support removed
    REQUIRES CHANGES TO USER PROJECT FILE
-->
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<!--
    lib/native/bin/amd64 dir needs to exist!
    import just before Microsoft.Cpp.Default.props
-->
  <PropertyGroup Condition="'$(VCToolsInstallDir_150)' == ''">
    <UsingVisualCppToolsPre>true</UsingVisualCppToolsPre>
    <VCToolsInstallDir_150>$([System.IO.Path]::GetFullPath('$(MSBuildThisFileDirectory)..\..\lib\native'))\</VCToolsInstallDir_150>
    <_VC_x64_ToolsInstalled Condition="'$(_VC_x64_ToolsInstalled)' == ''">true</_VC_x64_ToolsInstalled>
  </PropertyGroup>
</Project>

VisualCppToolsFixups.props

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<!--
    import just after Microsoft.Cpp.props
-->
  <PropertyGroup Condition="'$(UsingVisualCppToolsPre)' == 'true'">
    <VCToolsInstallDir_150_Orig>$(VsInstallRoot)\VC\Tools\MSVC\$(VCToolsVersion)\</VCToolsInstallDir_150_Orig>

    <DebugCppRuntimeFilesPath Condition="'$(DebugCppRuntimeFilesPath)' != '' and '$(UseDebugLibraries)' == 'true'">$(DebugCppRuntimeFilesPath.Replace('$(VCToolsInstallDir_150)', '$(VCToolsInstallDir_150_Orig)'))</DebugCppRuntimeFilesPath>
  </PropertyGroup>

  <PropertyGroup Condition="'$(UsingVisualCppToolsPre)' == 'true' and '$(VC_CRT_SourcePath)' != '' and '$(VC_SourcePath)' != ''">
    <VC_CRT_SourcePath_Fixed>$(VCToolsInstallDir_150_Orig)crt\src;</VC_CRT_SourcePath_Fixed>
    <VC_SourcePath>$(VC_SourcePath.Replace('$(VC_CRT_SourcePath)', '$(VC_CRT_SourcePath_Fixed)'))</VC_SourcePath>
    <VC_CRT_SourcePath>$(VC_CRT_SourcePath_Fixed)</VC_CRT_SourcePath>
    <VC_CRT_SourcePath_Fixed />
  </PropertyGroup>
</Project>