build.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0"
         DefaultTargets="Build"
         xmlns="http://schemas.microsoft.com/developer/msbuild/2003">  
  <PropertyGroup>
    <NuGetPath Condition=" '$(NuGetPath)'=='' ">Nuget.exe</NuGetPath>
  </PropertyGroup>

  <ItemGroup>
    <Solution Include="$(MSBuildThisFileDirectory)*.sln"/>          
  </ItemGroup>

  <Target Name="RestorePackages">
    <Message Importance="High" Text="Restoring nuget packages..." />
    <Exec Command="&quot;$(NuGetPath)&quot; restore &quot;%(Solution.Identity)&quot;" />
  </Target>

  <Target Name="CreateNuGetPackage">
    <Message Importance="High" Text="Creating nuget packages..." />
    <Exec Command="&quot;$(NuGetPath)&quot; pack -Properties Configuration=ReleaseNET461 -IncludeReferencedProjects -Symbols &quot;webhoseio\webhoseio.csproj&quot;" />
  </Target>

  <Target Name="Clean">
    <MSBuild Targets="Clean" Projects="@(Solution)" />
  </Target>

  <Target Name="Build" DependsOnTargets="RestorePackages">
    <MSBuild Targets="Build" Projects="@(Solution)" Properties="Configuration=ReleaseNET35" />
    <MSBuild Targets="Build" Projects="@(Solution)" Properties="Configuration=ReleaseNET40" />
    <MSBuild Targets="Build" Projects="@(Solution)" Properties="Configuration=ReleaseNET45" />
    <MSBuild Targets="Build" Projects="@(Solution)" Properties="Configuration=ReleaseNET461" />
    <CallTarget Targets="CreateNuGetPackage" />
  </Target>

  <Target Name="Rebuild" DependsOnTargets="RestorePackages">
    <MSBuild Targets="Rebuild" Projects="@(Solution)" Properties="Configuration=ReleaseNET35" />
    <MSBuild Targets="Rebuild" Projects="@(Solution)" Properties="Configuration=ReleaseNET40" />
    <MSBuild Targets="Rebuild" Projects="@(Solution)" Properties="Configuration=ReleaseNET45" />
    <MSBuild Targets="Rebuild" Projects="@(Solution)" Properties="Configuration=ReleaseNET461" />
    <CallTarget Targets="CreateNuGetPackage" />
  </Target>

</Project>