change the output directory of the auto-generated code to BaseIntermediateOutputPath to avoid warning CS2002

Author: smdn

src/Smdn.Extensions.Mtp.LiquidTestReports/.gitignore

@@ -18,7 +18,6 @@ SPDX-License-Identifier: MIT
     <EnableTrimAnalyzer>false</EnableTrimAnalyzer>
     <!-- <PackageValidationBaselineVersion>1.0.0</PackageValidationBaselineVersion> -->
     <NoWarn>CS1591;$(NoWarn)</NoWarn> <!-- CS1591: Missing XML comment for publicly visible type or member 'Type_or_Member' -->
-    <NoWarn>CS2002;$(NoWarn)</NoWarn> <!-- suppress warning CS2002 caused by the target 'WriteMtpExtensionInfo' -->
     <MtpExtensionDisplayName>LiquidTestReports test report converter</MtpExtensionDisplayName>
   </PropertyGroup>
 
@@ -90,8 +89,9 @@ This project welcomes contributions, feedbacks and suggestions. You can contribu
 
   <Target Name="WriteMtpExtensionInfo" BeforeTargets="BeforeBuild">
     <PropertyGroup>
-      <MtpExtensionInfoFilePath>$(MSBuildThisFileDirectory)ExtensionInfo.g.cs</MtpExtensionInfoFilePath>
+      <MtpExtensionInfoFilePath>$(BaseIntermediateOutputPath)ExtensionInfo.g.cs</MtpExtensionInfoFilePath>
       <MtpExtensionInfoFileContent><![CDATA[
+// <autogenerated />
 #pragma warning disable CA1050
 
 internal static class ExtensionInfo {
@@ -109,7 +109,6 @@ internal static class ExtensionInfo {
     />
 
     <ItemGroup>
-      <!-- XXX: This causes compiler warning CS2002. -->
       <Compile Include="$(MtpExtensionInfoFilePath)" Visible="false" AutoGen="true" />
     </ItemGroup>
   </Target>