msvc/properties/Win32.props

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <PropertyGroup>
    <_PropertySheetDisplayName>x86 Settings</_PropertySheetDisplayName>
  </PropertyGroup>

  <ItemDefinitionGroup>
    <ClCompile>
      <PreprocessorDefinitions>WIN32;_WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
    </ClCompile>
    <ResourceCompile>
      <PreprocessorDefinitions>Win32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
    </ResourceCompile>
    <Link>
      <TargetMachine>MachineX86</TargetMachine>
    </Link>
    <Lib>
      <AdditionalOptions>/MACHINE:X86 %(AdditionalOptions)</AdditionalOptions>
    </Lib>
  </ItemDefinitionGroup>

</Project>