Fixes use of Py_IntDir and Py_OutDir to control build directories.
diff --git a/Tools/msi/bundle/bootstrap/pythonba.vcxproj b/Tools/msi/bundle/bootstrap/pythonba.vcxproj
index be12957..bcd3951 100644
--- a/Tools/msi/bundle/bootstrap/pythonba.vcxproj
+++ b/Tools/msi/bundle/bootstrap/pythonba.vcxproj
@@ -31,7 +31,7 @@
   <PropertyGroup Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <IntDir>$(PySourcePath)PCBuild\obj\$(Configuration)_$(Platform)_Setup\Bootstrap\</IntDir>
+    <IntDir>$(Py_IntDir)\$(Configuration)_$(Platform)_Setup\Bootstrap\</IntDir>
     <OutDir>$(IntDir)</OutDir>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
diff --git a/Tools/msi/make_zip.proj b/Tools/msi/make_zip.proj
index d2e031f..13f75ba 100644
--- a/Tools/msi/make_zip.proj
+++ b/Tools/msi/make_zip.proj
@@ -16,7 +16,7 @@
         <TargetPath>$(OutputPath)\en-us\$(TargetName)$(TargetExt)</TargetPath>
         <CleanCommand>rmdir /q/s "$(IntermediateOutputPath)\zip_$(ArchName)"</CleanCommand>
         <Arguments>"$(PythonExe)" "$(MSBuildThisFileDirectory)\make_zip.py"</Arguments>
-        <Arguments>$(Arguments) -e -o "$(TargetPath)" -t "$(IntermediateOutputPath)\zip_$(ArchName)" -a $(ArchName)</Arguments>
+        <Arguments>$(Arguments) -e -o "$(TargetPath)" -t "$(IntermediateOutputPath)\zip_$(ArchName)" -b "$(OutDir.TrimEnd('\'))"</Arguments>
         <Environment>set DOC_FILENAME=python$(PythonVersion).chm
 set VCREDIST_PATH=$(VS140COMNTOOLS)\..\..\VC\redist\$(Platform)\Microsoft.VC140.CRT</Environment>
     </PropertyGroup>
diff --git a/Tools/msi/make_zip.py b/Tools/msi/make_zip.py
index de978ba..0e8a4a6 100644
--- a/Tools/msi/make_zip.py
+++ b/Tools/msi/make_zip.py
@@ -90,23 +90,23 @@
     return p.suffix.lower() in {'.py', '.pyw', '.txt'}
 
 FULL_LAYOUT = [
-    ('/', 'PCBuild/$arch', 'python.exe', is_not_debug),
-    ('/', 'PCBuild/$arch', 'pythonw.exe', is_not_debug),
-    ('/', 'PCBuild/$arch', 'python{0.major}.dll'.format(sys.version_info), is_not_debug),
-    ('/', 'PCBuild/$arch', 'python{0.major}{0.minor}.dll'.format(sys.version_info), is_not_debug),
-    ('DLLs/', 'PCBuild/$arch', '*.pyd', is_not_debug),
-    ('DLLs/', 'PCBuild/$arch', '*.dll', is_not_debug_or_python),
+    ('/', '$build', 'python.exe', is_not_debug),
+    ('/', '$build', 'pythonw.exe', is_not_debug),
+    ('/', '$build', 'python{0.major}.dll'.format(sys.version_info), is_not_debug),
+    ('/', '$build', 'python{0.major}{0.minor}.dll'.format(sys.version_info), is_not_debug),
+    ('DLLs/', '$build', '*.pyd', is_not_debug),
+    ('DLLs/', '$build', '*.dll', is_not_debug_or_python),
     ('include/', 'include', '*.h', None),
     ('include/', 'PC', 'pyconfig.h', None),
     ('Lib/', 'Lib', '**/*', include_in_lib),
-    ('libs/', 'PCBuild/$arch', '*.lib', include_in_libs),
+    ('libs/', '$build', '*.lib', include_in_libs),
     ('Tools/', 'Tools', '**/*', include_in_tools),
 ]
 
 EMBED_LAYOUT = [
-    ('/', 'PCBuild/$arch', 'python*.exe', is_not_debug),
-    ('/', 'PCBuild/$arch', '*.pyd', is_not_debug),
-    ('/', 'PCBuild/$arch', '*.dll', is_not_debug),
+    ('/', '$build', 'python*.exe', is_not_debug),
+    ('/', '$build', '*.pyd', is_not_debug),
+    ('/', '$build', '*.dll', is_not_debug),
     ('python{0.major}{0.minor}.zip'.format(sys.version_info), 'Lib', '**/*', include_in_lib),
 ]
 
@@ -168,18 +168,18 @@
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument('-s', '--source', metavar='dir', help='The directory containing the repository root', type=Path)
-    parser.add_argument('-o', '--out', metavar='file', help='The name of the output self-extracting archive', type=Path, default=None)
+    parser.add_argument('-o', '--out', metavar='file', help='The name of the output archive', type=Path, default=None)
     parser.add_argument('-t', '--temp', metavar='dir', help='A directory to temporarily extract files into', type=Path, default=None)
     parser.add_argument('-e', '--embed', help='Create an embedding layout', action='store_true', default=False)
-    parser.add_argument('-a', '--arch', help='Specify the architecture to use (win32/amd64)', type=str, default="win32")
+    parser.add_argument('-b', '--build', help='Specify the build directory', type=Path)
     ns = parser.parse_args()
 
     source = ns.source or (Path(__file__).resolve().parent.parent.parent)
     out = ns.out
-    arch = ns.arch
+    build = ns.build
     assert isinstance(source, Path)
     assert not out or isinstance(out, Path)
-    assert isinstance(arch, str)
+    assert isinstance(build, Path)
 
     if ns.temp:
         temp = ns.temp
@@ -202,7 +202,10 @@
 
     try:
         for t, s, p, c in layout:
-            s = source / s.replace("$arch", arch)
+            if s == '$build':
+                s = build
+            else:
+                s = source / s
             copied = copy_to_layout(temp / t.rstrip('/'), rglob(s, p, c))
             print('Copied {} files'.format(copied))
 
diff --git a/Tools/msi/msi.props b/Tools/msi/msi.props
index 9ae6d99..0cf7c77 100644
--- a/Tools/msi/msi.props
+++ b/Tools/msi/msi.props
@@ -47,7 +47,7 @@
     </ItemGroup>
 
     <PropertyGroup>
-        <IntermediateOutputPath>$(PySourcePath)PCBuild\obj\$(Configuration)_$(Platform)_Setup\$(OutputName)</IntermediateOutputPath>
+        <IntermediateOutputPath>$(Py_IntDir)\$(Configuration)_$(Platform)_Setup\$(OutputName)</IntermediateOutputPath>
         <IntermediateOutputPath Condition="'$(OutputSuffix)' != ''">$(IntermediateOutputPath)_$(OutputSuffix)</IntermediateOutputPath>
         <OutputPath Condition="'$(OutputPath)' == ''">$(BuildPath)</OutputPath>
         <OutputPath Condition="!HasTrailingSlash($(OutputPath))">$(OutputPath)\</OutputPath>
@@ -124,6 +124,12 @@
         <LinkerBindInputPaths Include="$(VS140COMNTOOLS)\..\..\VC\redist\$(Platform)\Microsoft.VC140.CRT">
             <BindName>redist</BindName>
         </LinkerBindInputPaths>
+        <LinkerBindInputPaths Include="$(BuildPath32)">
+            <BindName>build32</BindName>
+        </LinkerBindInputPaths>
+        <LinkerBindInputPaths Include="$(BuildPath64)">
+            <BindName>build64</BindName>
+        </LinkerBindInputPaths>
     </ItemGroup>
 
     <Target Name="_ValidateMsiProps" BeforeTargets="PrepareForBuild">