build.proj

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
        <Condiguration Condition="'$(Condiguration)' == ''">Release</Condiguration>
    </PropertyGroup>
    <ItemGroup>
        <SubprojectsToBuild Include="ep_starttiledata\ep_starttiledata.slnx" Condition="Exists('ep_starttiledata\ep_starttiledata.slnx')">
            <Properties>Configuration=$(Condiguration);Platform=x64</Properties>
        </SubprojectsToBuild>
        <SubprojectsToBuild Include="ep_starttiledata\ep_starttiledata.slnx" Condition="Exists('ep_starttiledata\ep_starttiledata.slnx')">
            <Properties>Configuration=$(Condiguration);Platform=ARM64</Properties>
        </SubprojectsToBuild>

        <BaseEPsToBuild Include="ExplorerPatcher.sln">
            <Properties>Configuration=$(Condiguration);Platform=amd64</Properties>
        </BaseEPsToBuild>
        <BaseEPsToBuild Include="ExplorerPatcher.sln">
            <Properties>Configuration=$(Condiguration);Platform=arm64;WithArm64XBinaries=true</Properties>
        </BaseEPsToBuild>
    </ItemGroup>
    <Target Name="Build">
        <MSBuild Projects="@(SubprojectsToBuild)" BuildInParallel="true" />
        <MSBuild Projects="ExplorerPatcher.sln" Properties="Configuration=$(Condiguration);Platform=IA-32" />
        <MSBuild Projects="@(BaseEPsToBuild)" BuildInParallel="true" />
    </Target>
</Project>