From e2a3511925e43217ef4814eb633ae729ed8d7246 Mon Sep 17 00:00:00 2001
From: Viktor Hofer <viktor.hofer@microsoft.com>
Date: Tue, 23 Jul 2024 09:25:11 +0200
Subject: [PATCH] Build .NETCoreApp source gens in allconfigurations build
 (#105247)

* Build .NETCoreApp source gens in allconfigurations build

Fixes https://github.com/dotnet/runtime/issues/100346

* Update RegexGenerator.Emitter.cs

---------

Co-authored-by: Matt Mitchell <mmitche@microsoft.com>
---
 src/libraries/oob-gen.proj | 9 +++++++++
 src/libraries/oob.proj     | 1 +
 2 files changed, 10 insertions(+)
 create mode 100644 src/libraries/oob-gen.proj

diff --git a/src/libraries/oob-gen.proj b/src/libraries/oob-gen.proj
new file mode 100644
index 0000000000000..d565a1592a6ae
--- /dev/null
+++ b/src/libraries/oob-gen.proj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.Build.Traversal">
+
+  <!-- Reference all out-of-band generator projects. -->
+  <ItemGroup>
+    <ProjectReference Include="$(MSBuildThisFileDirectory)*\gen\**\*.*proj"
+                      Exclude="@(ProjectExclusions)" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/libraries/oob.proj b/src/libraries/oob.proj
index d49efa6e61681..b94fb00dbd813 100644
--- a/src/libraries/oob.proj
+++ b/src/libraries/oob.proj
@@ -18,6 +18,7 @@
 
   <ItemGroup Condition="'$(BuildTargetFramework)' != '$(NetCoreAppCurrent)' or '$(BuildTargetFramework)' == ''">
     <ProjectReference Include="oob-all.proj" SkipGetTargetFrameworkProperties="true" />
+    <ProjectReference Include="oob-gen.proj" />
   </ItemGroup>
 
   <!-- Support building reference projects only. -->