From 11f285d1729e2b248ef58827954a58ceb2ddfb6b Mon Sep 17 00:00:00 2001
From: Byron Mayne <Byronmayne@gmail.com>
Date: Sat, 27 Jul 2024 18:44:14 -0400
Subject: [PATCH] Fixed a compiler error being forced when targeting latest
 runtime

---
 .../SourceGenerator.Foundations.targets               | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/SourceGenerator.Foundations/SourceGenerator.Foundations.targets b/src/SourceGenerator.Foundations/SourceGenerator.Foundations.targets
index 24f2e98..b00e6ad 100644
--- a/src/SourceGenerator.Foundations/SourceGenerator.Foundations.targets
+++ b/src/SourceGenerator.Foundations/SourceGenerator.Foundations.targets
@@ -46,11 +46,20 @@
   </Target>
   <!-- Validates they are at least using LangVersion 7.3 for nullable refernece types-->
   <Target Name="SGF_LangVersionValidation" BeforeTargets="CoreCompile">
+    <ItemGroup>
+      <NamedVersion Include="preview"/>
+      <NamedVersion Include="preview"/>
+      <NamedVersion Include="latest"/>
+      <NamedVersion Include="latestMajor"/>
+    </ItemGroup>
     <PropertyGroup>
       <MinLangVersion>7.2</MinLangVersion>
+      <IsNamedVersion>false</IsNamedVersion>
+      <IsNamedVersion Condition="'%(NamedVersion.Identity)' == '$(LangVersion)'">true</IsNamedVersion>
     </PropertyGroup>
     <Error
-      Condition="$([MSBuild]::VersionGreaterThan('$(MinLangVersion)', '$(LangVersion)'))"
+      Condition="!$(IsNamedVersion) AND $([MSBuild]::VersionGreaterThan('$(MinLangVersion)', '$(LangVersion)'))"
       Text="[SourceGenerator.Foundations] The project $(MSBuildProjectName) is currently using the language version $(LangVersion) which does not meet the minimum required of $(MinLangVersion). Read how to change it here https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/configure-language-version" />
   </Target>
+  
 </Project>
\ No newline at end of file