Add build support for AMD64.
diff --git a/Misc/NEWS b/Misc/NEWS
index c9e7a30..a7e54ad 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -699,6 +699,8 @@
 Build
 -----
 
+- Build support for Win64-AMD64 was added.
+
 - Patch #1428494: Prefer linking against ncursesw over ncurses library.
 
 - Patch #881820: look for openpty and forkpty also in libbsd.
diff --git a/PCbuild/_bsddb.vcproj b/PCbuild/_bsddb.vcproj
index e10b9d8..798fd68 100644
--- a/PCbuild/_bsddb.vcproj
+++ b/PCbuild/_bsddb.vcproj
@@ -183,6 +183,68 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\_bsddb"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include;..\PC;&quot;..\..\db-4.2.52\build_win32&quot;"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="..\..\db-4.2.52\build_win32\Release_static\libdb42s.lib"
+				OutputFile="./_bsddb.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				IgnoreDefaultLibraryNames="msvcrt"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./_bsddb.pdb"
+				SubSystem="2"
+				BaseAddress="0x1e180000"
+				ImportLibrary=".\./_bsddb.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/_elementtree.vcproj b/PCbuild/_elementtree.vcproj
index e37bf28..e7f9117 100644
--- a/PCbuild/_elementtree.vcproj
+++ b/PCbuild/_elementtree.vcproj
@@ -181,6 +181,67 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\_elementtree"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC,..\Modules\expat"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="odbccp32.lib"
+				OutputFile="./_elementtree.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./_elementtree.pdb"
+				SubSystem="2"
+				BaseAddress="0x1D100000"
+				ImportLibrary=".\./_elementtree.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/_socket.vcproj b/PCbuild/_socket.vcproj
index 008cd3d..3078f6d 100644
--- a/PCbuild/_socket.vcproj
+++ b/PCbuild/_socket.vcproj
@@ -180,6 +180,67 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\_socket"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="ws2_32.lib"
+				OutputFile="./_socket.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./_socket.pdb"
+				SubSystem="2"
+				BaseAddress="0x1e1D0000"
+				ImportLibrary=".\./_socket.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/_ssl.vcproj b/PCbuild/_ssl.vcproj
index 3bcd564..373e948 100644
--- a/PCbuild/_ssl.vcproj
+++ b/PCbuild/_ssl.vcproj
@@ -50,6 +50,19 @@
 				ReBuildCommandLine="python build_ssl.py -a"
 				Output="_ssl.pyd"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\_ssl"
+			ConfigurationType="0"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCNMakeTool"
+				BuildCommandLine="python build_ssl.py"
+				ReBuildCommandLine="python build_ssl.py -a"
+				Output="_ssl.pyd"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/_testcapi.vcproj b/PCbuild/_testcapi.vcproj
index 46eac06..3f8ef30 100644
--- a/PCbuild/_testcapi.vcproj
+++ b/PCbuild/_testcapi.vcproj
@@ -175,6 +175,65 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\_testcapi"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MMAP_EXPORTS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				OutputFile="./_testcapi.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				ProgramDatabaseFile=".\./_testcapi.pdb"
+				BaseAddress="0x1e1F0000"
+				ImportLibrary=".\./_testcapi.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/_tkinter.vcproj b/PCbuild/_tkinter.vcproj
index afacc51..f33f7f8 100644
--- a/PCbuild/_tkinter.vcproj
+++ b/PCbuild/_tkinter.vcproj
@@ -183,6 +183,68 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\_tkinter"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\..\tcltk\include,..\Include,..\PC"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;WITH_APPINIT"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="..\..\tcltk\lib\tk84.lib ..\..\tcltk\lib\tcl84.lib odbccp32.lib"
+				OutputFile="./_tkinter.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				AdditionalLibraryDirectories=""
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./_tkinter.pdb"
+				SubSystem="2"
+				BaseAddress="0x1e190000"
+				ImportLibrary=".\./_tkinter.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/bz2.vcproj b/PCbuild/bz2.vcproj
index 8083a35..affccf9 100644
--- a/PCbuild/bz2.vcproj
+++ b/PCbuild/bz2.vcproj
@@ -193,6 +193,71 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\bz2"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC,..\..\bzip2-1.0.2"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="..\..\bzip2-1.0.2\libbz2.lib"
+				OutputFile="./bz2.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				IgnoreDefaultLibraryNames="libc"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./bz2.pdb"
+				SubSystem="2"
+				BaseAddress="0x1D170000"
+				ImportLibrary=".\./bz2.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"
+				CommandLine="cd ..\..\bzip2-1.0.2
+nmake /nologo /f makefile.msc lib
+"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/make_buildinfo.c b/PCbuild/make_buildinfo.c
index 0b28ade..b7b7ebc 100644
--- a/PCbuild/make_buildinfo.c
+++ b/PCbuild/make_buildinfo.c
@@ -58,15 +58,16 @@
 	}

 	if (strcmp(argv[1], "Release") == 0) {

 		strcat(command, "-MD ");

-		//strcpy(targetdir, "x86-temp-debug");

 	}

 	else if (strcmp(argv[1], "Debug") == 0) {

 		strcat(command, "-D_DEBUG -MDd ");

-		//strcpy(targetdir, "x86-temp-release");

 	}

-	else if (strcmp(argv[1], "ReleaseItanium")) {

+	else if (strcmp(argv[1], "ReleaseItanium") == 0) {

+		strcat(command, "-MD /USECL:MS_ITANIUM ");

+	}

+	else if (strcmp(argv[1], "ReleaseAMD64") == 0) {

 		strcat(command, "-MD ");

-		//strcpy(targetdir, "ia64-temp-release");

+		strcat(command, "-MD /USECL:MS_OPTERON ");

 	}

 	else {

 		fprintf(stderr, "unsupported configuration %s\n", argv[1]);

diff --git a/PCbuild/pcbuild.sln b/PCbuild/pcbuild.sln
index 7ccab0a..5e4681e 100644
--- a/PCbuild/pcbuild.sln
+++ b/PCbuild/pcbuild.sln
@@ -88,6 +88,7 @@
 	GlobalSection(SolutionConfiguration) = preSolution

 		Debug = Debug

 		Release = Release

+		ReleaseAMD64 = ReleaseAMD64

 		ReleaseItanium = ReleaseItanium

 	EndGlobalSection

 	GlobalSection(ProjectConfiguration) = postSolution

@@ -95,101 +96,134 @@
 		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.Debug.Build.0 = Debug|Win32

 		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.Release.ActiveCfg = Release|Win32

 		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.Release.Build.0 = Release|Win32

+		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{E1DBB220-D64B-423D-A545-539A55AA7FE2}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.Debug.ActiveCfg = Debug|Win32

 		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.Debug.Build.0 = Debug|Win32

 		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.Release.ActiveCfg = Release|Win32

 		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.Release.Build.0 = Release|Win32

+		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{324F66C2-44D0-4D50-B979-F9DAE7FD36DB}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.Debug.ActiveCfg = Debug|Win32

 		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.Debug.Build.0 = Debug|Win32

 		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.Release.ActiveCfg = Release|Win32

 		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.Release.Build.0 = Release|Win32

+		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{8E85BA54-8A47-4C8B-B72E-8E17579CC6D7}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{59CBF474-9E06-4C50-9142-C44A118BB447}.Debug.ActiveCfg = Debug|Win32

 		{59CBF474-9E06-4C50-9142-C44A118BB447}.Debug.Build.0 = Debug|Win32

 		{59CBF474-9E06-4C50-9142-C44A118BB447}.Release.ActiveCfg = Release|Win32

 		{59CBF474-9E06-4C50-9142-C44A118BB447}.Release.Build.0 = Release|Win32

+		{59CBF474-9E06-4C50-9142-C44A118BB447}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{59CBF474-9E06-4C50-9142-C44A118BB447}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{59CBF474-9E06-4C50-9142-C44A118BB447}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{59CBF474-9E06-4C50-9142-C44A118BB447}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.Debug.ActiveCfg = Debug|Win32

 		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.Debug.Build.0 = Debug|Win32

 		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.Release.ActiveCfg = Release|Win32

 		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.Release.Build.0 = Release|Win32

+		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{5B51DFF7-5DC0-41F8-8791-A4AB7114A151}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{AC557788-6354-43F7-BE05-C9C8C59A344A}.Debug.ActiveCfg = Debug|Win32

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 		{AC557788-6354-43F7-BE05-C9C8C59A344A}.Release.Build.0 = Release|Win32

+		{AC557788-6354-43F7-BE05-C9C8C59A344A}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{AC557788-6354-43F7-BE05-C9C8C59A344A}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{AC557788-6354-43F7-BE05-C9C8C59A344A}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{AC557788-6354-43F7-BE05-C9C8C59A344A}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.Debug.ActiveCfg = Debug|Win32

 		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.Debug.Build.0 = Debug|Win32

 		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.Release.ActiveCfg = Release|Win32

 		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.Release.Build.0 = Release|Win32

+		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.ReleaseAMD64.ActiveCfg = Release|Win32

+		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.ReleaseAMD64.Build.0 = Release|Win32

 		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.ReleaseItanium.ActiveCfg = Release|Win32

 		{F0E0541E-F17D-430B-97C4-93ADF0DD284E}.ReleaseItanium.Build.0 = Release|Win32

 		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.Debug.ActiveCfg = Debug|Win32

 		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.Debug.Build.0 = Debug|Win32

 		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.Release.ActiveCfg = Release|Win32

 		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.Release.Build.0 = Release|Win32

+		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{7E551393-3C43-47F8-9F3F-5BC368A6C487}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.Debug.ActiveCfg = Debug|Win32

 		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.Debug.Build.0 = Debug|Win32

 		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.Release.ActiveCfg = Release|Win32

 		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.Release.Build.0 = Release|Win32

+		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{B11D750F-CD1F-4A96-85CE-E69A5C5259F9}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.Debug.ActiveCfg = Debug|Win32

 		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.Debug.Build.0 = Debug|Win32

 		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.Release.ActiveCfg = Release|Win32

 		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.Release.Build.0 = Release|Win32

+		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{CF7AC3D1-E2DF-41D2-BEA6-1E2556CDEA26}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.Debug.ActiveCfg = Debug|Win32

 		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.Debug.Build.0 = Debug|Win32

 		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.Release.ActiveCfg = Release|Win32

 		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.Release.Build.0 = Release|Win32

+		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{F4229CC3-873C-49AE-9729-DD308ED4CD4A}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.Debug.ActiveCfg = Debug|Win32

 		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.Debug.Build.0 = Debug|Win32

 		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.Release.ActiveCfg = Release|Win32

 		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.Release.Build.0 = Release|Win32

+		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{97239A56-DBC0-41D2-BC14-C87D9B97D63B}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.Debug.ActiveCfg = Debug|Win32

 		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.Debug.Build.0 = Debug|Win32

 		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.Release.ActiveCfg = Release|Win32

 		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.Release.Build.0 = Release|Win32

+		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{FA5FC7EB-C72F-415F-AE42-91DD605ABDDA}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{E9E0A1F6-0009-4E8C-B8F8-1B8F5D49A058}.Debug.ActiveCfg = Debug|Win32

 		{E9E0A1F6-0009-4E8C-B8F8-1B8F5D49A058}.Debug.Build.0 = Debug|Win32

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 		{E9E0A1F6-0009-4E8C-B8F8-1B8F5D49A058}.Release.Build.0 = Release|Win32

+		{E9E0A1F6-0009-4E8C-B8F8-1B8F5D49A058}.ReleaseAMD64.ActiveCfg = Release|Win32

 		{E9E0A1F6-0009-4E8C-B8F8-1B8F5D49A058}.ReleaseItanium.ActiveCfg = Release|Win32

 		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.Debug.ActiveCfg = Debug|Win32

 		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.Debug.Build.0 = Debug|Win32

 		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.Release.ActiveCfg = Release|Win32

 		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.Release.Build.0 = Release|Win32

+		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{51F35FAE-FB92-4B2C-9187-1542C065AD77}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.Debug.ActiveCfg = Debug|Win32

 		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.Debug.Build.0 = Debug|Win32

 		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.Release.ActiveCfg = Release|Win32

 		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.Release.Build.0 = Release|Win32

+		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.ReleaseAMD64.ActiveCfg = ReleaseAMD64|Win32

+		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.ReleaseAMD64.Build.0 = ReleaseAMD64|Win32

 		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32

 		{1966DDE2-4AB7-4E4E-ACC9-C121E4D37F8E}.ReleaseItanium.Build.0 = ReleaseItanium|Win32

 		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.Debug.ActiveCfg = Debug|Win32

 		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.Debug.Build.0 = Debug|Win32

 		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.Release.ActiveCfg = Release|Win32

 		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.Release.Build.0 = Release|Win32

+		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.ReleaseAMD64.ActiveCfg = Release|Win32

+		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.ReleaseAMD64.Build.0 = Release|Win32

 		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.ReleaseItanium.ActiveCfg = Release|Win32

 		{C73F0EC1-358B-4177-940F-0846AC8B04CD}.ReleaseItanium.Build.0 = Release|Win32

 	EndGlobalSection

diff --git a/PCbuild/pyexpat.vcproj b/PCbuild/pyexpat.vcproj
index bd58c0e..6f00403 100644
--- a/PCbuild/pyexpat.vcproj
+++ b/PCbuild/pyexpat.vcproj
@@ -180,6 +180,67 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\pyexpat"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC,..\Modules\expat"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;XML_STATIC;HAVE_MEMMOVE"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="odbccp32.lib"
+				OutputFile="./pyexpat.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./pyexpat.pdb"
+				SubSystem="2"
+				BaseAddress="0x1D100000"
+				ImportLibrary=".\./pyexpat.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/python.vcproj b/PCbuild/python.vcproj
index 287a0e9..fc9ecb8 100644
--- a/PCbuild/python.vcproj
+++ b/PCbuild/python.vcproj
@@ -191,6 +191,70 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\python"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="odbccp32.lib"
+				OutputFile=".\./python.exe"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./python.pdb"
+				SubSystem="1"
+				StackReserveSize="2000000"
+				BaseAddress="0x1d000000"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="NDEBUG"
+				Culture="1033"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index 88ddf1a..9d3776c 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -58,7 +58,7 @@
 			<Tool
 				Name="VCPreLinkEventTool"
 				Description="generate buildinfo"
-				CommandLine="make_buildinfo.exe ${ConfigurationName}"/>
+				CommandLine="make_buildinfo.exe $(ConfigurationName)"/>
 			<Tool
 				Name="VCResourceCompilerTool"
 				PreprocessorDefinitions="NDEBUG"
@@ -185,7 +185,74 @@
 			<Tool
 				Name="VCPreLinkEventTool"
 				Description="generate buildinfo"
-				CommandLine="make_buildinfo.exe ${ConfigurationName}"/>
+				CommandLine="make_buildinfo.exe $(ConfigurationName)"/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="NDEBUG"
+				Culture="1033"
+				AdditionalIncludeDirectories="..\Include"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="./."
+			IntermediateDirectory=".\amd64-temp-release\pythoncore"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/Zm200  /USECL:MS_OPTERON /VSEXTCOMP_VERBOSE"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;USE_DL_EXPORT"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="getbuildinfo.o"
+				OutputFile="./python25.dll"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				IgnoreDefaultLibraryNames="libc"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./python25.pdb"
+				SubSystem="2"
+				BaseAddress="0x1e000000"
+				ImportLibrary=".\./python25.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"
+				Description="generate buildinfo"
+				CommandLine="make_buildinfo.exe $(ConfigurationName)"/>
 			<Tool
 				Name="VCResourceCompilerTool"
 				PreprocessorDefinitions="NDEBUG"
@@ -262,6 +329,12 @@
 						Name="VCCLCompilerTool"
 						AdditionalIncludeDirectories="..\Modules\zlib"/>
 				</FileConfiguration>
+				<FileConfiguration
+					Name="ReleaseAMD64|Win32">
+					<Tool
+						Name="VCCLCompilerTool"
+						AdditionalIncludeDirectories="..\Modules\zlib"/>
+				</FileConfiguration>
 			</File>
 			<File
 				RelativePath="..\Modules\zlib\zutil.c">
@@ -509,6 +582,12 @@
 					Name="VCCLCompilerTool"
 					AdditionalIncludeDirectories="..\Python"/>
 			</FileConfiguration>
+			<FileConfiguration
+				Name="ReleaseAMD64|Win32">
+				<Tool
+					Name="VCCLCompilerTool"
+					AdditionalIncludeDirectories="..\Python"/>
+			</FileConfiguration>
 		</File>
 		<File
 			RelativePath="..\Python\importdl.c">
diff --git a/PCbuild/pythonw.vcproj b/PCbuild/pythonw.vcproj
index baf5e4a..9bc3b8a 100644
--- a/PCbuild/pythonw.vcproj
+++ b/PCbuild/pythonw.vcproj
@@ -183,6 +183,68 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\pythonw"
+			ConfigurationType="1"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				OutputFile=".\./pythonw.exe"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./pythonw.pdb"
+				SubSystem="2"
+				StackReserveSize="2000000"
+				BaseAddress="0x1d000000"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="NDEBUG"
+				Culture="1033"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index 7ca8186..25d0e8a 100644
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -280,6 +280,13 @@
 of warnings about conversion from size_t to int, which will be fixed in
 future Python releases.
 
+Building for AMD64
+------------------
+
+The build process for the ReleaseAMD64 configuration is very similar
+to the Itanium configuration; make sure you use the latest version of
+vsextcomp.
+
 YOUR OWN EXTENSION DLLs
 -----------------------
 If you want to create your own extension module DLL, there's an example
diff --git a/PCbuild/select.vcproj b/PCbuild/select.vcproj
index 1c13433..12e1f65 100644
--- a/PCbuild/select.vcproj
+++ b/PCbuild/select.vcproj
@@ -183,6 +183,68 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\select"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC,..\..\select113"
+				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="wsock32.lib"
+				OutputFile="./select.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				IgnoreDefaultLibraryNames="libc"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\./select.pdb"
+				SubSystem="2"
+				BaseAddress="0x1D110000"
+				ImportLibrary=".\./select.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/unicodedata.vcproj b/PCbuild/unicodedata.vcproj
index da49b15..24644e5 100644
--- a/PCbuild/unicodedata.vcproj
+++ b/PCbuild/unicodedata.vcproj
@@ -175,6 +175,65 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\unicodedata"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MMAP_EXPORTS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				OutputFile="./unicodedata.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				ProgramDatabaseFile=".\./unicodedata.pdb"
+				BaseAddress="0x1D120000"
+				ImportLibrary=".\./unicodedata.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/PCbuild/winsound.vcproj b/PCbuild/winsound.vcproj
index c1e8130..93a5ca6 100644
--- a/PCbuild/winsound.vcproj
+++ b/PCbuild/winsound.vcproj
@@ -178,6 +178,66 @@
 			<Tool
 				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
+		<Configuration
+			Name="ReleaseAMD64|Win32"
+			OutputDirectory="."
+			IntermediateDirectory="amd64-temp-release\winsound"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions=" /USECL:MS_OPTERON"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;WINSOUND_EXPORTS"
+				StringPooling="TRUE"
+				BasicRuntimeChecks="0"
+				RuntimeLibrary="2"
+				BufferSecurityCheck="FALSE"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions=" /MACHINE:AMD64 /USELINK:MS_SDK"
+				AdditionalDependencies="winmm.lib"
+				OutputFile="./winsound.pyd"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				ProgramDatabaseFile=".\./winsound.pdb"
+				BaseAddress="0x1D160000"
+				ImportLibrary=".\./winsound.lib"
+				TargetMachine="0"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
 	</Configurations>
 	<References>
 	</References>
diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index 839eb9d..52dfa22 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -8,8 +8,6 @@
 from distutils.spawn import find_executable
 
 # Settings can be overridden in config.py below
-# 1 for Itanium build
-msilib.Win64 = 0
 # 0 for official python.org releases
 # 1 for intermediate releases by anybody, with
 # a new product code for every package.
@@ -129,7 +127,6 @@
     "25":"{2e41b118-38bd-4c1b-a840-6977efd1b911}"
     } [major+minor]
 
-
 # Build the mingw import library, libpythonXY.a
 # This requires 'nm' and 'dlltool' executables on your PATH
 def build_mingw_lib(lib_file, def_file, dll_file, mingw_lib):
@@ -176,6 +173,12 @@
 
 have_mingw = build_mingw_lib(lib_file, def_file, dll_file, mingw_lib)
 
+# Determine the target architechture
+dll_path = os.path.join(srcdir, "PCBuild", dll_file)
+msilib.set_arch_from_file(dll_path)
+if msilib.pe_type(dll_path) != msilib.pe_type("msisupport.dll"):
+    raise SystemError, "msisupport.dll for incorrect architecture"
+
 if testpackage:
     ext = 'px'
     testprefix = 'x'
@@ -205,11 +208,7 @@
     # schema represents the installer 2.0 database schema.
     # sequence is the set of standard sequences
     # (ui/execute, admin/advt/install)
-    if msilib.Win64:
-        w64 = ".ia64"
-    else:
-        w64 = ""
-    db = msilib.init_database("python-%s%s.msi" % (full_current_version, w64),
+    db = msilib.init_database("python-%s%s.msi" % (full_current_version, msilib.arch_ext),
                   schema, ProductName="Python "+full_current_version,
                   ProductCode=product_code,
                   ProductVersion=current_version,
diff --git a/Tools/msi/msilib.py b/Tools/msi/msilib.py
index 948099d..9011b0a 100644
--- a/Tools/msi/msilib.py
+++ b/Tools/msi/msilib.py
@@ -5,15 +5,13 @@
 import win32com.client
 import pythoncom, pywintypes
 from win32com.client import constants
-import re, string, os, sets, glob, popen2, sys, _winreg
+import re, string, os, sets, glob, popen2, sys, _winreg, struct
 
 try:
     basestring
 except NameError:
     basestring = (str, unicode)
 
-Win64 = 0
-
 # Partially taken from Wine
 datasizemask=      0x00ff
 type_valid=        0x0100
@@ -311,10 +309,7 @@
     si.SetProperty(PID_TITLE, "Installation Database")
     si.SetProperty(PID_SUBJECT, ProductName)
     si.SetProperty(PID_AUTHOR, Manufacturer)
-    if Win64:
-        si.SetProperty(PID_TEMPLATE, "Intel64;1033")
-    else:
-        si.SetProperty(PID_TEMPLATE, "Intel;1033")
+    si.SetProperty(PID_TEMPLATE, msi_type)
     si.SetProperty(PID_REVNUMBER, gen_uuid())
     si.SetProperty(PID_WORDCOUNT, 2) # long file names, compressed, original media
     si.SetProperty(PID_PAGECOUNT, 200)
@@ -647,3 +642,34 @@
 
     def checkbox(self, name, x, y, w, h, attr, prop, text, next):
         return self.control(name, "CheckBox", x, y, w, h, attr, prop, text, next, None)
+
+def pe_type(path):
+    header = open(path).read(1000)
+    # offset of PE header is at offset 0x3c; 1-based
+    pe_offset = struct.unpack("<i", header[0x3c:0x40])[0]-1
+    assert header[pe_offset:pe_offset+4] == "PE\0\0"
+    machine = struct.unpack("<H", header[pe_offset+4:pe_offset+6])[0]
+    return machine
+
+def set_arch_from_file(path):
+    global msi_type, Win64, arch_ext
+    machine = pe_type(path)
+    if machine == 0x14c:
+        # i386
+        msi_type = "Intel"
+        Win64 = 0
+        arch_ext = ''
+    elif machine == 0x200:
+        # Itanium
+        msi_type = "Intel64"
+        Win64 = 1
+        arch_ext = '.ia64'
+    elif machine == 0x8664:
+        # AMD64
+        msi_type = "x64"
+        Win64 = 1
+        arch_ext = '.amd64'
+    else:
+        raise ValueError, "Unsupported architecture"
+    msi_type += ";1033"
+
diff --git a/Tools/msi/msisupport.mak b/Tools/msi/msisupport.mak
index 1047510..fb960c2 100644
--- a/Tools/msi/msisupport.mak
+++ b/Tools/msi/msisupport.mak
@@ -1,3 +1,6 @@
+!IF "$(CPU)" == ""
+# VS environment
+
 # /OPT: REF and ICF are added by VS.NET by default
 # NOWIN98 saves 7k of executable size, at the expense of some
 # slowdown on Win98
@@ -10,3 +13,13 @@
 msisupport.obj:	msisupport.c
 	cl /O2 /D WIN32 /D NDEBUG /D _WINDOWS /MT /W3 /c msisupport.c
 
+!ELSE
+# SDK environment: assume all options are already correct
+
+msisupport.dll:	msisupport.obj
+	link.exe /OUT:msisupport.dll /INCREMENTAL:NO /NOLOGO /DLL msisupport.obj msi.lib kernel32.lib
+
+msisupport.obj:	msisupport.c
+	cl /O2 /D WIN32 /D NDEBUG /D _WINDOWS /MD /W3 /GS- /c msisupport.c
+!ENDIF
+