MSVC projects: Explicitly specified target machines

w32/common/common-build-settings.vcxproj

@@ -99,4 +99,20 @@
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ResourceCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Platform)'=='Win32'">
+    <Link>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+    <Lib>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Platform)'=='x64'">
+    <Link>
+      <TargetMachine>MachineX64</TargetMachine>
+    </Link>
+    <Lib>
+      <TargetMachine>MachineX64</TargetMachine>
+    </Lib>
+  </ItemDefinitionGroup>
 </Project>