Fix crossgen2 build on Tizen (#55789)

Directory.Build.props

@@ -139,6 +139,10 @@
 
     <_runtimeOS Condition="$(_runtimeOS.StartsWith('tizen'))">linux</_runtimeOS>
     <_runtimeOS Condition="'$(PortableBuild)' == 'true'">$(_portableOS)</_runtimeOS>
+
+    <_packageOS Condition="'$(CrossBuild)' == 'true'">$(_hostOS.ToLowerInvariant)</_packageOS>
+    <_packageOS Condition="'$(_packageOS)' == '' and '$(PortableBuild)' == 'true'">$(_portableOS)</_packageOS>
+    <_packageOS Condition="'$(_packageOS)' == ''">$(_runtimeOS)</_packageOS>
   </PropertyGroup>
 
   <PropertyGroup Label="CalculateRID">
@@ -163,10 +167,11 @@
     <MicrosoftNetCoreIlasmPackageRuntimeId Condition="'$(PortableBuild)' != 'true' and '$(_portableOS)' == 'linux'">linux-$(_hostArch)</MicrosoftNetCoreIlasmPackageRuntimeId>
     <MicrosoftNetCoreIlasmPackageRuntimeId Condition="'$(MicrosoftNetCoreIlasmPackageRuntimeId)' == ''">$(_toolRuntimeRID)</MicrosoftNetCoreIlasmPackageRuntimeId>
 
-    <_packageRID Condition="'$(PortableBuild)' == 'true'">$(_portableOS)-$(TargetArchitecture)</_packageRID>
-    <_packageRID Condition="'$(CrossBuild)' == 'true'">$(_hostOS.ToLowerInvariant)-$(TargetArchitecture)</_packageRID>
-    <PackageRID Condition="'$(PackageRID)' == ''">$(_packageRID)</PackageRID>
-    <PackageRID Condition="'$(PackageRID)' == ''">$(_runtimeOS)-$(TargetArchitecture)</PackageRID>
+    <PackageRID>$(_packageOS)-$(TargetArchitecture)</PackageRID>
+
+    <!-- Crossgen2 does not support armel, so we will use arm instead. -->
+    <Crossgen2PackageRID Condition="'$(TargetArchitecture)' == 'armel'">$(_packageOS)-arm</Crossgen2PackageRID>
+    <Crossgen2PackageRID Condition="'$(TargetArchitecture)' != 'armel'">$(PackageRID)</Crossgen2PackageRID>
 
     <OutputRid Condition="'$(OutputRid)' == ''">$(PackageRID)</OutputRid>
     <OutputRid Condition="'$(PortableBuild)' == 'true'">$(_portableOS)-$(TargetArchitecture)</OutputRid>

src/coreclr/tools/aot/crossgen2/crossgen2.csproj

@@ -3,11 +3,7 @@
     <OutputPath>$(RuntimeBinDir)/crossgen2</OutputPath>
     <!-- The default value for macOS is false -->
     <UseAppHost>true</UseAppHost>
-
-    <TargetArchitectureAppHost>$(TargetArchitecture)</TargetArchitectureAppHost>
-    <TargetArchitectureAppHost Condition="'$(TargetArchitectureAppHost)'=='armel'">arm</TargetArchitectureAppHost>
-
-    <AppHostRuntimeIdentifier>$(PackageRID)</AppHostRuntimeIdentifier>
+    <AppHostRuntimeIdentifier>$(Crossgen2PackageRID)</AppHostRuntimeIdentifier>
   </PropertyGroup>
   <Import Project="crossgen2.props" />
 </Project>