From 111ae8c5c4874093fdc17f0ddbddd746fb1f7910 Mon Sep 17 00:00:00 2001
From: Davis Goodin <dagood@microsoft.com>
Date: Tue, 19 Oct 2021 19:38:52 -0500
Subject: [PATCH] Disable apphost build of 'csi', 'vbi' for source-build

Creating an apphost for a netcoreapp3.1 project uses the apphost pack as a
prebuilt. Stopping these projects from creating the apphost removes the prebuilt
for source-build.

See: https://github.com/dotnet/roslyn/issues/57233

PR: https://github.com/dotnet/roslyn/pull/57306
---
 src/Interactive/csi/csi.csproj | 1 +
 src/Interactive/vbi/vbi.vbproj | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/Interactive/csi/csi.csproj b/src/Interactive/csi/csi.csproj
index 39576f54cfb18..0c62fccaecf34 100644
--- a/src/Interactive/csi/csi.csproj
+++ b/src/Interactive/csi/csi.csproj
@@ -6,6 +6,7 @@
     <OutputType>Exe</OutputType>
     <RootNamespace>CSharpInteractive</RootNamespace>
     <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <UseAppHost Condition="'$(DotNetBuildFromSource)' == 'true'">false</UseAppHost>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
diff --git a/src/Interactive/vbi/vbi.vbproj b/src/Interactive/vbi/vbi.vbproj
index 91271d0d17d9a..988f1e866a627 100644
--- a/src/Interactive/vbi/vbi.vbproj
+++ b/src/Interactive/vbi/vbi.vbproj
@@ -6,6 +6,7 @@
     <OutputType>Exe</OutputType>
     <StartupObject>Sub Main</StartupObject>
     <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <UseAppHost Condition="'$(DotNetBuildFromSource)' == 'true'">false</UseAppHost>
     <RootNamespace></RootNamespace>
   </PropertyGroup>
   <ItemGroup Label="Project References">