Issue #22919: Windows build updated to support VC 14.0 (Visual Studio 2015), which will be used for the official 3.5 release.
diff --git a/PCbuild/xxlimited.vcxproj b/PCbuild/xxlimited.vcxproj
index abf41f9..4484dba 100644
--- a/PCbuild/xxlimited.vcxproj
+++ b/PCbuild/xxlimited.vcxproj
@@ -1,6 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="PGInstrument|Win32">
       <Configuration>PGInstrument</Configuration>
       <Platform>Win32</Platform>
@@ -31,158 +39,44 @@
     <RootNamespace>xxlimited</RootNamespace>
     <Keyword>Win32Proj</Keyword>
   </PropertyGroup>
+  <Import Project="python.props" />
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'" Label="Configuration">
+  <PropertyGroup Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <CharacterSet>NotSet</CharacterSet>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <CharacterSet>NotSet</CharacterSet>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <CharacterSet>NotSet</CharacterSet>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <CharacterSet>NotSet</CharacterSet>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
-    <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <CharacterSet>NotSet</CharacterSet>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <SupportPGO>false</SupportPGO>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <PropertyGroup>
+    <TargetExt>.pyd</TargetExt>
+  </PropertyGroup>
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'" Label="PropertySheets">
+  <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyd.props" />
-    <Import Project="pgupdate.props" />
-  </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyd.props" />
-    <Import Project="pginstrument.props" />
-  </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyd.props" />
-  </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyd.props" />
-    <Import Project="x64.props" />
-    <Import Project="pgupdate.props" />
-  </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyd.props" />
-    <Import Project="x64.props" />
-    <Import Project="pginstrument.props" />
-  </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyd.props" />
-    <Import Project="x64.props" />
+    <Import Project="pyproject.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
-    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
-    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" />
-    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'" />
-    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
-    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" />
-    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'" />
-    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
-    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'" />
-    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'" />
-    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
-    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" />
-    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'" />
-    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
-    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
-    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
-    <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
-    <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
-    <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
   </PropertyGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <ItemDefinitionGroup>
     <ClCompile>
-      <PreprocessorDefinitions>NDEBUG;_WIN32;_WINDLL;Py_LIMITED_API=0x03040000</PreprocessorDefinitions>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions);Py_LIMITED_API=0x03040000</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <IgnoreSpecificDefaultLibraries>libc;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
       <BaseAddress>0x1D110000</BaseAddress>
     </Link>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <Midl>
-      <TargetEnvironment>X64</TargetEnvironment>
-    </Midl>
-    <Link>
-      <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <IgnoreSpecificDefaultLibraries>libc;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
-      <BaseAddress>0x1D110000</BaseAddress>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'">
-    <ClCompile>
-      <PreprocessorDefinitions>Py_LIMITED_API=0x03040000;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-    </ClCompile>
-    <Link>
-      <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <IgnoreSpecificDefaultLibraries>libc;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
-      <BaseAddress>0x1D110000</BaseAddress>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'">
-    <Midl>
-      <TargetEnvironment>X64</TargetEnvironment>
-    </Midl>
-    <Link>
-      <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <IgnoreSpecificDefaultLibraries>libc;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
-      <BaseAddress>0x1D110000</BaseAddress>
-      <TargetMachine>MachineX64</TargetMachine>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'">
-    <ClCompile>
-      <PreprocessorDefinitions>Py_LIMITED_API=0x03040000;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-    </ClCompile>
-    <Link>
-      <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <IgnoreSpecificDefaultLibraries>libc;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
-      <BaseAddress>0x1D110000</BaseAddress>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'">
-    <Midl>
-      <TargetEnvironment>X64</TargetEnvironment>
-    </Midl>
-    <Link>
-      <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <IgnoreSpecificDefaultLibraries>libc;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
-      <BaseAddress>0x1D110000</BaseAddress>
-      <TargetMachine>MachineX64</TargetMachine>
-    </Link>
-  </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\Modules\xxlimited.c" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="python3dll.vcxproj">
+      <Project>{885d4898-d08d-4091-9c40-c700cfe3fc5a}</Project>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>