convert FCS MSBuild references to a NuGet package (#6439)

fcs/Directory.Build.props

@@ -4,6 +4,7 @@
     <RestoreSources>
       $(RestoreSources);
       https://api.nuget.org/v3/index.json;
+      https://dotnet.myget.org/F/fsharp/api/v3/index.json;
     </RestoreSources>
   </PropertyGroup>
 

fcs/FSharp.Compiler.Service.MSBuild.v12/FSharp.Compiler.Service.MSBuild.v12.fsproj

@@ -32,27 +32,8 @@
     <PackageReference Include="FSharp.Core" Version="4.5.2" />
     <PackageReference Include="FSharp.Core" Version="4.1.19" />
     <PackageReference Include="FSharp.Core" Version="4.1.18" />
+    <PackageReference Include="FSharp.Compiler.Service.MSBuild.v12.0" Version="1.0.0" />
     <ProjectReference Include="..\FSharp.Compiler.Service\FSharp.Compiler.Service.fsproj" />
-    <Reference Include="Microsoft.Build.Framework, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Framework.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build.Engine, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Engine.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build.Utilities.v12.0">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Utilities.v12.0.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build.Tasks.v12.0">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Tasks.v12.0.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\FSharp.Compiler.Service\FSharp.Compiler.Service.fsproj" />

fcs/FSharp.Compiler.Service.ProjectCrackerTool/FSharp.Compiler.Service.ProjectCrackerTool.fsproj

@@ -24,25 +24,6 @@
     <Reference Include="System.Runtime" />
     <Reference Include="System.IO" />
     <PackageReference Include="FSharp.Core" Version="4.6.2" />
-    <Reference Include="Microsoft.Build.Framework, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Framework.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build.Engine, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Engine.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build.Utilities.v12.0">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Utilities.v12.0.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
-    <Reference Include="Microsoft.Build.Tasks.v12.0">
-      <HintPath>$(FSharpSourcesRoot)\..\fcs\dependencies\MSBuild.v12.0\Microsoft.Build.Tasks.v12.0.dll</HintPath>
-      <Private>false</Private>
-    </Reference>
+    <PackageReference Include="FSharp.Compiler.Service.MSBuild.v12.0" Version="1.0.0" />
   </ItemGroup>
 </Project>

fcs/dependencies/MSBuild.v12.0/.gitignore

@@ -0,0 +1 @@
+*.dll

fcs/dependencies/MSBuild.v12.0/MSBuild.v12.0.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
+
+  <PropertyGroup>
+    <TargetFramework>net45</TargetFramework>
+    <NuspecFile>MSBuild.v12.0.nuspec</NuspecFile>
+  </PropertyGroup>
+
+  <Target Name="Build" />
+
+</Project>

fcs/dependencies/MSBuild.v12.0/MSBuild.v12.0.nuspec

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
+    <metadata>
+        <id>FSharp.Compiler.Service.MSBuild.v12.0</id>
+        <version>1.0</version>
+        <authors>Microsoft and F# Software Foundation</authors>
+        <description>MSBuild.v12.0 dependencies for fcs.</description>
+        <dependencies>
+            <group targetFramework="net45">
+            </group>
+        </dependencies>
+    </metadata>
+    <files>
+        <file src="Microsoft.Build.dll"                 target="lib\net45" />
+        <file src="Microsoft.Build.Engine.dll"          target="lib\net45" />
+        <file src="Microsoft.Build.Framework.dll"       target="lib\net45" />
+        <file src="Microsoft.Build.Tasks.v12.0.dll"     target="lib\net45" />
+        <file src="Microsoft.Build.Utilities.v12.0.dll" target="lib\net45" />
+    </files>
+</package>

fcs/dependencies/MSBuild.v12.0/README.md

@@ -0,0 +1,9 @@
+The MSBuild.12.0 dependencies have been converted to a NuGet package.
+
+To create an updated version of the package:
+
+1. Copy the appropriate `Microsoft.Build.*.dll` files to this directory.
+2. Update the `<version>` element of `MSBuild.v12.0.nuspec`.
+3. Run `msbuild MSBuild.v12.0.csproj /t:Pack`
+4. Upload `<repo-root>\artifacts\bin\fcs\FSharp.Compiler.Service.MSBuild.v12.0.*.nupkg` to the MyGet feed at
+   `https://dotnet.myget.org/F/fsharp/api/v3/index.json`