Fix condition for adding package readmes

Fixes #106585

The EnableDefualtPackageReadmeFile property needs to be defined before packaging.targets is imported.

Author: ViktorHofer

eng/packaging.targets

@@ -22,6 +22,7 @@
     <PackageDesignerMarkerFile>$(MSBuildThisFileDirectory)useSharedDesignerContext.txt</PackageDesignerMarkerFile>
 
     <!-- PackageReadmeFile specifies the package readme file name in the package. PackageReadmeFilePath points to the package readme file on disk. -->
+    <EnableDefaultPackageReadmeFile Condition="'$(EnableDefaultPackageReadmeFile)' == '' and '$(IsShipping)' == 'true'">true</EnableDefaultPackageReadmeFile>
     <PackageReadmeFile Condition="'$(PackageReadmeFile)' == '' and '$(EnableDefaultPackageReadmeFile)' == 'true'">PACKAGE.md</PackageReadmeFile>
     <PackageReadmeFilePath Condition="'$(PackageReadmeFilePath)' == '' and '$(EnableDefaultPackageReadmeFile)' == 'true'">PACKAGE.md</PackageReadmeFilePath>
     <BeforePack>$(BeforePack);ValidatePackageReadmeExists</BeforePack>

src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props

@@ -6,7 +6,6 @@
     <SharedFrameworkName>$(MicrosoftNetCoreAppFrameworkName)</SharedFrameworkName>
     <IsShipping Condition="'$(PgoInstrument)' != ''">false</IsShipping>
     <SharedFrameworkFriendlyName>.NET Runtime</SharedFrameworkFriendlyName>
-    <EnableDefaultPackageReadmeFile>true</EnableDefaultPackageReadmeFile>
   </PropertyGroup>
 
   <!--

src/mono/wasm/templates/Microsoft.NET.Runtime.WebAssembly.Templates.csproj

@@ -16,6 +16,8 @@
     <NoWarn>$(NoWarn);NU5128</NoWarn>
     <IsPackable>true</IsPackable>
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <!-- TODO: Add package readme -->
+    <EnableDefaultPackageReadmeFile>false</EnableDefaultPackageReadmeFile>
   </PropertyGroup>
 
   <ItemGroup>

src/tests/tracing/eventpipe/common/Microsoft.Diagnostics.NETCore.Client/Microsoft.Diagnostics.NETCore.Client.csproj

@@ -13,6 +13,8 @@
     <IsShipping>true</IsShipping>
     <BuildingOutsideDiagnostics>false</BuildingOutsideDiagnostics>
     <BuildingOutsideDiagnostics Condition="'$(GitHubRepositoryName)' != 'diagnostics'">true</BuildingOutsideDiagnostics>
+    <!-- TODO: Add package readme -->
+    <EnableDefaultPackageReadmeFile>false</EnableDefaultPackageReadmeFile>
   </PropertyGroup>
 
   <PropertyGroup Condition="$(BuildingOutsideDiagnostics)">

src/tools/illink/src/ILLink.Tasks/ILLink.Tasks.csproj

@@ -18,6 +18,8 @@
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <IncludeMultiTargetRoslynComponentTargets>false</IncludeMultiTargetRoslynComponentTargets>
     <TargetsForTfmSpecificContentInPackage>$(TargetsForTfmSpecificContentInPackage);AddBuildOutputToToolsPackage</TargetsForTfmSpecificContentInPackage>
+    <!-- TODO: Add package readme -->
+    <EnableDefaultPackageReadmeFile>false</EnableDefaultPackageReadmeFile>
   </PropertyGroup>
 
   <!-- Include the illink.runtimeconfig.pack.json file (which depends on the runtimeversion being built)