5408: Dropping static view compilation temporarily to be able support Dynamic Compilation with Roslyn (#7892)

ClickToBuild.cmd

@@ -1,15 +1,26 @@
-for /f "usebackq tokens=*" %%i in (`lib\vswhere\vswhere -latest -version "[15.0,16.0)" -requires Microsoft.Component.MSBuild -property installationPath`) do (
+@echo off
-  set InstallDir=%%i
+
+for /f "usebackq tokens=1* delims=: " %%i in (`lib\vswhere\vswhere -latest -version "[15.0,16.0)" -requires Microsoft.Component.MSBuild`) do (
+  if /i "%%i"=="installationPath" (
+	set InstallDir=%%j
+	if exist "%InstallDir%\MSBuild\15.0\Bin\MSBuild.exe" (
+		echo "Using MSBuild from Visual Studio 2017"
+		set msbuild="%InstallDir%\MSBuild\15.0\Bin\MSBuild.exe"
+		goto build
+	)
+  )
 )
 
-
 FOR %%b in (
-       "%InstallDir%\Common7\Tools\VsMSBuildCmd.bat"
+       "%VS140COMNTOOLS%\vsvars32.bat"
-       "%VS140COMNTOOLS%\Common7\Tools\vsvars32.bat"
+       "%VS120COMNTOOLS%\vsvars32.bat"
+       "%VS110COMNTOOLS%\vsvars32.bat"
     ) do (
     if exist %%b ( 
-       call %%b
+		echo "Using MSBuild from %%b"
-       goto build
+		call %%b
+		set msbuild="msbuild"
+		goto build
     )
 )
 
@@ -27,6 +38,8 @@ IF "%solution%" == "" SET solution=src\Orchard.sln
 
 lib\nuget\nuget.exe restore %solution%
 
-msbuild /t:%target% %project% /p:Solution=%solution% /m
+%msbuild% /t:%target% %project% /p:Solution=%solution% /m
+
+:end
 
 pause

Orchard.proj

@@ -129,19 +129,12 @@
     <MSBuild
       Projects="$(Solution)"
       Targets="Build"
-      Properties="Configuration=$(Configuration);OutputPath=$(CompileFolder);MvcBuildViews=false" />
+      Properties="Configuration=$(Configuration);OutputPath=$(CompileFolder)" />
     <!-- Compile to "regular" output folder for devs using VS locally -->
     <MSBuild
       Projects="$(Solution)"
       Targets="Build"
-      Properties="Configuration=$(Configuration);MvcBuildViews=$(MvcBuildViews)" />
+      Properties="Configuration=$(Configuration)" />
-  </Target>
-  
-  <Target Name="BuildViews">
-    <MSBuild
-      Projects="$(Solution)"
-      Targets="Build"
-      Properties="Configuration=$(Configuration);MvcBuildViews=true" />
   </Target>
 
   <Target Name="CompileMsBuildTasks">
@@ -205,6 +198,7 @@
       <Stage-Media Include="$(SrcFolder)\Orchard.Web\Media\OrchardLogo.png" />
       <Stage-PoFiles Include="$(SrcFolder)\Orchard.Web\**\*.po" />
       <Stage-Core Include="$(WebSitesFolder)\Orchard.Core\**\*" Exclude="$(WebSitesFolder)\Orchard.Core\**\bin\**\*" />
+      <Stage-Roslyn Include="$(SrcFolder)\Orchard.Web\bin\roslyn\*" />
      
       <!-- Get list of module names from the module definition files within ModulesSrcFolder -->
       <Stage-Modules-Definitions Include="$(ModulesSrcFolder)\**\Module.txt" />
@@ -246,7 +240,7 @@
 
     <!-- Copying module binaries is somewhat tricky: From a module "bin" directory, we
          only want to include the files that are _not_ already present in 
-         the "Orchard.Web\Bin" folder. -->
+         the "Orchard.Web\Bin" folder (except for "Orchard.Web\bin\roslyn"). -->
     <FilterModuleBinaries
       ModulesBinaries="@(Stage-Modules-Binaries)"
       OrchardWebBinaries="@(Stage-Orchard-Web-Bins)">
@@ -276,6 +270,7 @@
     <Copy SourceFiles="@(Stage-Themes-Custom)" DestinationFiles="@(Stage-Themes-Custom->'$(StageFolder)\Themes\%(ThemeName)\%(RecursiveDir)%(Filename)%(Extension)')"/>
     <Copy SourceFiles="@(Stage-Themes-Binaries-Unique)" DestinationFiles="@(Stage-Themes-Binaries-Unique->'$(StageFolder)\Themes\%(ThemeName)\%(RecursiveDir)%(Filename)%(Extension)')"/>
     <Copy SourceFiles="@(Stage-Themes-Sources)" DestinationFolder="$(StageFolder)\Themes\%(RecursiveDir)"/>
+    <Copy SourceFiles="@(Stage-Roslyn)" DestinationFolder="$(StageFolder)\bin\roslyn"/>
 
     <MakeDir Directories="$(StageFolder)\App_Data"/>
     <WriteLinesToFile File="$(StageFolder)\App_Data\_marker.txt" Lines="some_text" Overwrite="true"/>

src/Orchard.Azure.Tests/Orchard.Azure.Tests.csproj

@@ -42,7 +42,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -52,7 +51,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.WindowsAzure.ServiceRuntime, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">

src/Orchard.Azure/Orchard.Azure.Web/Orchard.Azure.Web.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,7 +47,6 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.Core.Tests/Orchard.Core.Tests.csproj

@@ -44,7 +44,6 @@
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -56,7 +55,6 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.Profile/Orchard.Profile.csproj

@@ -44,7 +44,6 @@
     <PlatformTarget>AnyCPU</PlatformTarget>
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -55,7 +54,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="nunit.framework, Version=2.5.10.11092, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">

src/Orchard.Specs/Orchard.Specs.csproj

@@ -44,7 +44,6 @@
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -56,7 +55,6 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.Tests.Modules/Orchard.Tests.Modules.csproj

@@ -44,7 +44,6 @@
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -56,7 +55,6 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.Tests/Orchard.Framework.Tests.csproj

@@ -44,7 +44,6 @@
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -56,7 +55,6 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.WarmupStarter/Orchard.WarmupStarter.csproj

@@ -23,7 +23,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
@@ -35,7 +34,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />

src/Orchard.Web.Tests/Orchard.Web.Tests.csproj

@@ -44,7 +44,6 @@
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -55,7 +54,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.Web/Core/Orchard.Core.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
     <UseVSHostingProcess>false</UseVSHostingProcess>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
@@ -49,9 +48,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Core/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Core/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Lucene/Lucene.csproj

@@ -38,7 +38,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,7 +47,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
@@ -59,6 +57,10 @@
       <HintPath>..\..\..\packages\Lucene.Net.3.0.3\lib\NET40\Lucene.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Lucene/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Lucene/packages.config

@@ -4,6 +4,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Markdown/Markdown.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,13 +47,16 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="MarkdownSharp, Version=1.5.1.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\StackExchange.MarkdownSharp.1.5.1.0\lib\net35\MarkdownSharp.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
       <Private>True</Private>

src/Orchard.Web/Modules/Markdown/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Markdown/packages.config

@@ -3,6 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="StackExchange.MarkdownSharp" version="1.5.1.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Alias/Orchard.Alias.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,10 +47,13 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
       <Private>True</Private>

src/Orchard.Web/Modules/Orchard.Alias/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Alias/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.AntiSpam/Orchard.AntiSpam.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.AntiSpam/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.AntiSpam/packages.config

@@ -3,6 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.ArchiveLater/Orchard.ArchiveLater.csproj

@@ -38,7 +38,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.ArchiveLater/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.ArchiveLater/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.AuditTrail/Orchard.AuditTrail.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,13 +46,16 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Iesi.Collections, Version=4.0.0.0, Culture=neutral, PublicKeyToken=aa95f207798dfdb4, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Iesi.Collections.4.0.1.4000\lib\net40\Iesi.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.AuditTrail/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.AuditTrail/packages.config

@@ -4,6 +4,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
   <package id="NHibernate" version="4.0.1.4000" targetFramework="net452" />

src/Orchard.Web/Modules/Orchard.Autoroute/Orchard.Autoroute.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Autoroute/Web.config

@@ -23,7 +23,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Autoroute/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Orchard.Azure.MediaServices.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,7 +46,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="FluentNHibernate, Version=2.0.3.0, Culture=neutral, processorArchitecture=MSIL">
@@ -66,6 +64,10 @@
       <HintPath>..\..\..\packages\Microsoft.Azure.KeyVault.Core.1.0.0\lib\net40\Microsoft.Azure.KeyVault.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Data.Edm, Version=5.6.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Data.Edm.5.6.4\lib\net40\Microsoft.Data.Edm.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Tests/Microsoft.CloudMedia.Tests/Microsoft.CloudMedia.Tests.csproj

@@ -44,7 +44,6 @@
     <CodeAnalysisRuleSet>..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -56,7 +55,6 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac">

src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Azure.MediaServices/packages.config

@@ -10,6 +10,7 @@
   <package id="Microsoft.Data.Edm" version="5.6.4" targetFramework="net452" />
   <package id="Microsoft.Data.OData" version="5.6.4" targetFramework="net452" />
   <package id="Microsoft.Data.Services.Client" version="5.6.4" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Microsoft.WindowsAzure.ConfigurationManager" version="3.1.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />

src/Orchard.Web/Modules/Orchard.Azure/Orchard.Azure.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,7 +46,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Iesi.Collections, Version=4.0.0.0, Culture=neutral, PublicKeyToken=aa95f207798dfdb4, processorArchitecture=MSIL">

src/Orchard.Web/Modules/Orchard.Azure/Web.config

@@ -21,12 +21,6 @@
             </namespaces>
         </pages>
     </system.web.webPages.razor>
-    <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
-    <system.codedom>
-        <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
-        </compilers>
-    </system.codedom>
     <system.web>
         <compilation targetFramework="4.5.2">
             <assemblies>

src/Orchard.Web/Modules/Orchard.Blogs/Orchard.Blogs.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Blogs/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Blogs/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Caching/Orchard.Caching.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,7 +46,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">

src/Orchard.Web/Modules/Orchard.Caching/Web.config

@@ -21,12 +21,6 @@
             </namespaces>
         </pages>
     </system.web.webPages.razor>
-    <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
-    <system.codedom>
-        <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
-        </compilers>
-    </system.codedom>
     <system.web>
         <compilation targetFramework="4.5.2">
             <assemblies>

src/Orchard.Web/Modules/Orchard.CodeGeneration/CodeGenerationTemplates/ModuleCsProj.txt

@@ -35,7 +35,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -46,7 +45,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
  <ItemGroup>
     <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform">
@@ -107,23 +105,7 @@
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <Import Project="$(VSToolsPath)\WebApplications\Microsoft.WebApplication.targets" Condition="'$(VSToolsPath)' != ''" />
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" Condition="false" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+  <Target Name="AfterBuild" Condition="'$(MvcBuildViews)'=='true'">
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target> -->
-  <Target Name="AfterBuild" DependsOnTargets="AfterBuildCompiler">
-    <PropertyGroup>
-      <AreasManifestDir>$(ProjectDir)\..\Manifests</AreasManifestDir>
-    </PropertyGroup>
-    <!-- If this is an area child project, uncomment the following line:
-    <CreateAreaManifest AreaName="$(AssemblyName)" AreaType="Child" AreaPath="$(ProjectDir)" ManifestPath="$(AreasManifestDir)" ContentFiles="@(Content)" />
-    -->
-    <!-- If this is an area parent project, uncomment the following lines:
-    <CreateAreaManifest AreaName="$(AssemblyName)" AreaType="Parent" AreaPath="$(ProjectDir)" ManifestPath="$(AreasManifestDir)" ContentFiles="@(Content)" />
-    <CopyAreaManifests ManifestPath="$(AreasManifestDir)" CrossCopy="false" RenameViews="true" />
-    -->
-  </Target>
-  <Target Name="AfterBuildCompiler" Condition="'$(MvcBuildViews)'=='true'">
     <AspNetCompiler VirtualPath="temp" PhysicalPath="$(ProjectDir)" />
   </Target>
   <ProjectExtensions>

src/Orchard.Web/Modules/Orchard.CodeGeneration/CodeGenerationTemplates/ModulePackagesConfig.txt

@@ -4,6 +4,5 @@
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
-  <package id="Microsoft.Net.Compilers" version="2.4.0" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.CodeGeneration/CodeGenerationTemplates/ModuleRootWebConfig.txt

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.CodeGeneration/Orchard.CodeGeneration.csproj

@@ -38,7 +38,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,7 +47,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />

src/Orchard.Web/Modules/Orchard.CodeGeneration/Web.config

@@ -21,12 +21,6 @@
             </namespaces>
         </pages>
     </system.web.webPages.razor>
-    <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
-    <system.codedom>
-        <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
-        </compilers>
-    </system.codedom>
     <system.web>
         <compilation targetFramework="4.5.2">
             <assemblies>

src/Orchard.Web/Modules/Orchard.Comments/Orchard.Comments.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Comments/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Comments/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Conditions/Orchard.Conditions.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,7 +46,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />

src/Orchard.Web/Modules/Orchard.Conditions/Web.config

@@ -21,12 +21,6 @@
             </namespaces>
         </pages>
     </system.web.webPages.razor>
-    <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
-    <system.codedom>
-        <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
-        </compilers>
-    </system.codedom>
     <system.web>
         <compilation targetFramework="4.5.2">
             <assemblies>

src/Orchard.Web/Modules/Orchard.ContentPermissions/Orchard.ContentPermissions.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.ContentPermissions/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.ContentPermissions/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.ContentPicker/Orchard.ContentPicker.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,13 +47,16 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Iesi.Collections, Version=4.0.0.0, Culture=neutral, PublicKeyToken=aa95f207798dfdb4, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Iesi.Collections.4.0.1.4000\lib\net40\Iesi.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.ContentPicker/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.ContentPicker/packages.config

@@ -4,6 +4,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="NHibernate" version="4.0.1.4000" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.ContentTypes/Orchard.ContentTypes.csproj

@@ -38,7 +38,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.ContentTypes/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.ContentTypes/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.CustomForms/Orchard.CustomForms.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.CustomForms/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.CustomForms/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Dashboards/Orchard.Dashboards.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,9 +46,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Dashboards/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Dashboards/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.DesignerTools/Orchard.DesignerTools.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.DesignerTools/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.DesignerTools/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.DynamicForms/Orchard.DynamicForms.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,9 +46,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.DynamicForms/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.DynamicForms/packages.config

@@ -3,6 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Email/Orchard.Email.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Email/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Email/packages.config

@@ -3,6 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Fields/Orchard.Fields.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Fields/Web.config

@@ -25,7 +25,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Fields/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Forms/Orchard.Forms.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,7 +47,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />

src/Orchard.Web/Modules/Orchard.Forms/Web.config

@@ -21,12 +21,6 @@
             </namespaces>
         </pages>
     </system.web.webPages.razor>
-    <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
-    <system.codedom>
-        <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
-        </compilers>
-    </system.codedom>
     <system.web>
         <compilation targetFramework="4.5.2">
             <assemblies>

src/Orchard.Web/Modules/Orchard.ImageEditor/Orchard.ImageEditor.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,9 +46,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.ImageEditor/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.ImageEditor/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.ImportExport/Orchard.ImportExport.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,13 +46,16 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Autofac.3.5.2\lib\net40\Autofac.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Iesi.Collections, Version=4.0.0.0, Culture=neutral, PublicKeyToken=aa95f207798dfdb4, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Iesi.Collections.4.0.1.4000\lib\net40\Iesi.Collections.dll</HintPath>
       <Private>True</Private>
@@ -202,6 +204,14 @@
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <Import Project="$(VSToolsPath)\WebApplications\Microsoft.WebApplication.targets" Condition="'$(VSToolsPath)' != ''" />
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" Condition="false" />
+  <Target Name="AfterBuild" DependsOnTargets="AfterBuildCompiler">
+    <PropertyGroup>
+      <AreasManifestDir>$(ProjectDir)\..\Manifests</AreasManifestDir>
+    </PropertyGroup>
+  </Target>
+  <Target Name="AfterBuildCompiler" Condition="'$(MvcBuildViews)'=='true'">
+    <AspNetCompiler VirtualPath="temp" PhysicalPath="$(ProjectDir)" />
+  </Target>
   <ProjectExtensions>
     <VisualStudio>
       <FlavorProperties GUID="{349c5851-65df-11da-9384-00065b846f21}">
@@ -220,11 +230,4 @@
       </FlavorProperties>
     </VisualStudio>
   </ProjectExtensions>
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>

src/Orchard.Web/Modules/Orchard.ImportExport/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.ImportExport/packages.config

@@ -5,6 +5,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="NHibernate" version="4.0.1.4000" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Indexing/Orchard.Indexing.csproj

@@ -37,7 +37,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,9 +47,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
@@ -156,6 +158,14 @@
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <Import Project="$(VSToolsPath)\WebApplications\Microsoft.WebApplication.targets" Condition="'$(VSToolsPath)' != ''" />
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" Condition="false" />
+  <Target Name="AfterBuild" DependsOnTargets="AfterBuildCompiler">
+    <PropertyGroup>
+      <AreasManifestDir>$(ProjectDir)\..\Manifests</AreasManifestDir>
+    </PropertyGroup>
+  </Target>
+  <Target Name="AfterBuildCompiler" Condition="'$(MvcBuildViews)'=='true'">
+    <AspNetCompiler VirtualPath="temp" PhysicalPath="$(ProjectDir)" />
+  </Target>
   <ProjectExtensions>
     <VisualStudio>
       <FlavorProperties GUID="{349c5851-65df-11da-9384-00065b846f21}">
@@ -174,11 +184,4 @@
       </FlavorProperties>
     </VisualStudio>
   </ProjectExtensions>
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>

src/Orchard.Web/Modules/Orchard.Indexing/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.Indexing/packages.config

@@ -3,5 +3,6 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.JobsQueue/Orchard.JobsQueue.csproj

@@ -37,7 +37,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
@@ -49,9 +48,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
       <Private>True</Private>
@@ -173,6 +175,14 @@
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="$(VSToolsPath)\WebApplications\Microsoft.WebApplication.targets" Condition="'$(VSToolsPath)' != ''" />
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" Condition="false" />
+  <Target Name="AfterBuild" DependsOnTargets="AfterBuildCompiler">
+    <PropertyGroup>
+      <AreasManifestDir>$(ProjectDir)\..\Manifests</AreasManifestDir>
+    </PropertyGroup>
+  </Target>
+  <Target Name="AfterBuildCompiler" Condition="'$(MvcBuildViews)'=='true'">
+    <AspNetCompiler VirtualPath="temp" PhysicalPath="$(ProjectDir)" />
+  </Target>
   <ProjectExtensions>
     <VisualStudio>
       <FlavorProperties GUID="{349c5851-65df-11da-9384-00065b846f21}">
@@ -191,11 +201,4 @@
       </FlavorProperties>
     </VisualStudio>
   </ProjectExtensions>
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>

src/Orchard.Web/Modules/Orchard.JobsQueue/Tests/Orchard.Messaging.Tests.csproj

@@ -23,7 +23,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -33,7 +32,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Autofac, Version=2.2.4.900, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">

src/Orchard.Web/Modules/Orchard.JobsQueue/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>

src/Orchard.Web/Modules/Orchard.JobsQueue/packages.config

@@ -3,6 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>

src/Orchard.Web/Modules/Orchard.Layouts/Orchard.Layouts.csproj

@@ -36,7 +36,6 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\..\OrchardBasicCorrectness.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -47,9 +46,12 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <LangVersion>6</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.8\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>

src/Orchard.Web/Modules/Orchard.Layouts/Web.config

@@ -24,7 +24,7 @@
     <!-- Registering Roslyn as a compiler for Razor IntelliSense. -->
     <system.codedom>
         <compilers>
-            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6"/>
+            <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform" warningLevel="4" compilerOptions="/langversion:6"/>
         </compilers>
     </system.codedom>
     <system.web>