From 2c8664d698e297b8d7c80e02e83274becacb4913 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Strehovsk=C3=BD?=
 <MichalStrehovsky@users.noreply.github.com>
Date: Thu, 27 Jun 2024 07:43:15 +0200
Subject: [PATCH 1/2] Revert "Also pass NETCoreSdkRuntimeIdentifier to
 runtime.proj (#104012)"

This reverts commit fd534b26a24903a1cdd3bb6b3ece8fbf7ccd9bae.
---
 eng/Subsets.props | 1 -
 1 file changed, 1 deletion(-)

diff --git a/eng/Subsets.props b/eng/Subsets.props
index 532928f67da29..68569344a6ea0 100644
--- a/eng/Subsets.props
+++ b/eng/Subsets.props
@@ -292,7 +292,6 @@
                             HostOS=$(HostOS);
                             TargetOS=$(TargetOS);
                             RuntimeIdentifier=$(RuntimeIdentifier);
-                            NETCoreSdkRuntimeIdentifier=$(NETCoreSdkRuntimeIdentifier);
                             NETCoreSdkPortableRuntimeIdentifier=$(NETCoreSdkPortableRuntimeIdentifier);
                             PgoInstrument=false;
                             NoPgoOptimize=true;

From c4963962ec11730e3c8aeed26b824534a51899b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Strehovsk=C3=BD?=
 <MichalStrehovsky@users.noreply.github.com>
Date: Thu, 27 Jun 2024 07:43:32 +0200
Subject: [PATCH 2/2] Revert "Pass RID to msbuild task (#103508)"

This reverts commit 4e1ad9c0d65e5759488a0afa4f4e9dffc601f74e.
---
 eng/Subsets.props                             |  8 +------
 .../tools/aot/ILCompiler/ILCompiler.csproj    | 23 +++++++++++--------
 .../aot/crossgen2/crossgen2_publish.csproj    | 15 ++++++++----
 .../Microsoft.NETCore.App.Crossgen2.sfxproj   |  2 ++
 src/native/managed/compile-native.proj        | 19 +++++++++++++--
 5 files changed, 44 insertions(+), 23 deletions(-)

diff --git a/eng/Subsets.props b/eng/Subsets.props
index 68569344a6ea0..41f63f11bbd79 100644
--- a/eng/Subsets.props
+++ b/eng/Subsets.props
@@ -121,8 +121,7 @@
     <!-- CLR NativeAot only builds in a subset of the matrix -->
     <_NativeAotSupportedOS Condition="'$(TargetOS)' == 'windows' or '$(TargetOS)' == 'linux' or '$(TargetOS)' == 'osx' or '$(TargetOS)' == 'maccatalyst' or '$(TargetOS)' == 'iossimulator' or '$(TargetOS)' == 'ios' or '$(TargetOS)' == 'tvossimulator' or '$(TargetOS)' == 'tvos' or '$(TargetOS)' == 'freebsd'">true</_NativeAotSupportedOS>
     <_NativeAotSupportedArch Condition="'$(TargetArchitecture)' == 'x64' or '$(TargetArchitecture)' == 'arm64' or '$(TargetArchitecture)' == 'arm' or ('$(TargetOS)' == 'windows' and '$(TargetArchitecture)' == 'x86')">true</_NativeAotSupportedArch>
-    <NativeAotSupported Condition="'$(_NativeAotSupportedOS)' == 'true' and '$(_NativeAotSupportedArch)' == 'true'">true</NativeAotSupported>
-    <UseNativeAotForComponents Condition="'$(NativeAotSupported)' == 'true' and '$(TargetOS)' == '$(HostOS)' and ('$(TargetOS)' != 'windows' or '$(TargetArchitecture)' != 'x86') and '$(TargetsLinuxBionic)' != 'true' and ('$(TargetsLinuxMusl)' != 'true' or '$(TargetArchitecture)' != 'arm')">true</UseNativeAotForComponents>
+    <NativeAotSupported Condition="'$(_NativeAotSupportedOS)' == 'true' and $(_NativeAotSupportedArch) == 'true'">true</NativeAotSupported>
 
     <!-- If we're building clr.nativeaotlibs and not building the CLR runtime, compile libraries against NativeAOT CoreLib -->
     <UseNativeAotCoreLib Condition="'$(TestNativeAot)' == 'true' or ($(_subset.Contains('+clr.nativeaotlibs+')) and !$(_subset.Contains('+clr.native+')) and !$(_subset.Contains('+clr.runtime+')) and !$(_subset.Contains('+clr.corelib+')))">true</UseNativeAotCoreLib>
@@ -287,12 +286,7 @@
       AdditionalProperties="%(AdditionalProperties);
                             ClrCrossComponentsSubset=true;
                             HostArchitecture=$(BuildArchitecture);
-                            TargetArchitecture=$(TargetArchitecture);
                             HostCrossOS=$(HostOS);
-                            HostOS=$(HostOS);
-                            TargetOS=$(TargetOS);
-                            RuntimeIdentifier=$(RuntimeIdentifier);
-                            NETCoreSdkPortableRuntimeIdentifier=$(NETCoreSdkPortableRuntimeIdentifier);
                             PgoInstrument=false;
                             NoPgoOptimize=true;
                             CrossBuild=false;
diff --git a/src/coreclr/tools/aot/ILCompiler/ILCompiler.csproj b/src/coreclr/tools/aot/ILCompiler/ILCompiler.csproj
index ffab9cbb1289b..823dab33c645c 100644
--- a/src/coreclr/tools/aot/ILCompiler/ILCompiler.csproj
+++ b/src/coreclr/tools/aot/ILCompiler/ILCompiler.csproj
@@ -10,15 +10,20 @@
   <!-- BEGIN: Workaround for https://github.com/dotnet/runtime/issues/67742 -->
   <PropertyGroup Condition="'$(BuildingInsideVisualStudio)' != 'true'">
     <PublishDir>$(RuntimeBinDir)ilc-published/</PublishDir>
-    <PublishAot Condition="'$(UseNativeAotForComponents)' == 'true'">true</PublishAot>
-    <SysRoot Condition="'$(UseNativeAotForComponents)' == 'true' and '$(CrossBuild)' == 'true' and '$(HostOS)' != 'windows'">$(ROOTFS_DIR)</SysRoot>
-    <PublishReadyToRun Condition="'$(UseNativeAotForComponents)' != 'true'">true</PublishReadyToRun>
-    <PublishSingleFile Condition="'$(UseNativeAotForComponents)' != 'true'">true</PublishSingleFile>
-    <PublishTrimmed Condition="'$(UseNativeAotForComponents)' != 'true'">true</PublishTrimmed>
+    <NativeAotSupported Condition="$(OutputRID.StartsWith('tizen')) == 'true'">false</NativeAotSupported>
+    <NativeAotSupported Condition="$(OutputRID.EndsWith('-arm')) == 'true'">false</NativeAotSupported>
+    <NativeAotSupported Condition="$(OutputRID.EndsWith('-x86')) == 'true'">false</NativeAotSupported>
+    <!-- Disable native AOT on FreeBSD when cross building from Linux. -->
+    <NativeAotSupported Condition="'$(TargetOS)' == 'freebsd' and '$(CrossBuild)' == 'true'">false</NativeAotSupported>
+    <PublishAot Condition="'$(NativeAotSupported)' == 'true'">true</PublishAot>
+    <SysRoot Condition="'$(NativeAotSupported)' == 'true' and '$(CrossBuild)' == 'true' and '$(HostOS)' != 'windows'">$(ROOTFS_DIR)</SysRoot>
+    <PublishReadyToRun Condition="'$(NativeAotSupported)' != 'true'">true</PublishReadyToRun>
+    <PublishSingleFile Condition="'$(NativeAotSupported)' != 'true'">true</PublishSingleFile>
+    <PublishTrimmed Condition="'$(NativeAotSupported)' != 'true'">true</PublishTrimmed>
     <SuppressGenerateILCompilerExplicitPackageReferenceWarning>true</SuppressGenerateILCompilerExplicitPackageReferenceWarning>
   </PropertyGroup>
 
-  <ItemGroup Condition="'$(UseNativeAotForComponents)' == 'true'">
+  <ItemGroup Condition="'$(NativeAotSupported)' == 'true'">
     <PackageReference Include="Microsoft.DotNet.ILCompiler" Version="$(MicrosoftDotNetILCompilerVersion)" />
     <PackageReference Include="runtime.$(ToolsRID).Microsoft.DotNet.ILCompiler" Version="$(MicrosoftDotNetILCompilerVersion)" />
   </ItemGroup>
@@ -48,7 +53,7 @@
   </Target>
 
   <Target Name="LocateNativeCompiler"
-          Condition="'$(UseNativeAotForComponents)' == 'true' and '$(HostOS)' != 'windows'"
+          Condition="'$(NativeAotSupported)' == 'true' and '$(HostOS)' != 'windows'"
           BeforeTargets="SetupOSSpecificProps">
     <PropertyGroup>
       <CppCompilerAndLinker Condition="'$(CppCompilerAndLinker)' == ''">clang</CppCompilerAndLinker>
@@ -70,7 +75,7 @@
       <_XcodeVersion>$([System.Text.RegularExpressions.Regex]::Match($(_XcodeVersionString), '[1-9]\d*'))</_XcodeVersion>
     </PropertyGroup>
 
-    <ItemGroup Condition="'$(UseNativeAotForComponents)' == 'true' and '$(_IsApplePlatform)' == 'true'">
+    <ItemGroup Condition="'$(NativeAotSupported)' == 'true' and '$(_IsApplePlatform)' == 'true'">
       <CustomLinkerArg Condition="'$(_XcodeVersion)' &gt;= '15'" Include="-ld_classic" />
     </ItemGroup>
 
@@ -81,7 +86,7 @@
     </PropertyGroup>
   </Target>
 
-  <ItemGroup Condition="'$(UseNativeAotForComponents)' == 'true'">
+  <ItemGroup Condition="'$(NativeAotSupported)' == 'true'">
     <CustomLinkerArg Condition="'$(CrossBuild)' == 'true' and '$(BuildArchitecture)' == '$(_targetArchitecture)' and '$(HostOS)' != 'windows' and '$(_IsApplePlatform)' != 'true'" Include="--gcc-toolchain=$(ROOTFS_DIR)/usr" />
   </ItemGroup>
 
diff --git a/src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj b/src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj
index aebad93eae08e..3fbdc4590fdc1 100644
--- a/src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj
+++ b/src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj
@@ -7,6 +7,11 @@
   <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
 
   <PropertyGroup>
+    <NativeAotSupported Condition="$(OutputRID.StartsWith('tizen')) == 'true'">false</NativeAotSupported>
+    <NativeAotSupported Condition="$(OutputRID.EndsWith('-arm')) == 'true'">false</NativeAotSupported>
+    <NativeAotSupported Condition="$(OutputRID.EndsWith('-x86')) == 'true'">false</NativeAotSupported>
+    <!-- Publish crossgen2 as a single-file app on native-OS builds. Cross-OS NativeAOT compilation is not supported yet -->
+    <NativeAotSupported Condition="'$(CrossBuild)' == 'true' and '$(TargetOS)' != '$(HostOS)'">false</NativeAotSupported>
     <PublishTrimmed>true</PublishTrimmed>
     <RuntimeIdentifier>$(PackageRID)</RuntimeIdentifier>
     <SelfContained>true</SelfContained>
@@ -16,7 +21,7 @@
 
   <Import Project="crossgen2.props" />
 
-  <PropertyGroup Condition="'$(UseNativeAotForComponents)' != 'true'">
+  <PropertyGroup Condition="'$(NativeAotSupported)' != 'true'">
     <PublishSingleFile>true</PublishSingleFile>
     <PublishReadyToRun>true</PublishReadyToRun>
     <!-- Disable crossgen on NetBSD, illumos, Solaris, and Haiku for now. This can be revisited when we have full support. -->
@@ -36,7 +41,7 @@
   <Import Project="$(RepositoryEngineeringDir)targetingpacks.targets" />
   <Import Project="$(RepositoryEngineeringDir)codeOptimization.targets" />
 
-  <PropertyGroup Condition="'$(UseNativeAotForComponents)' == 'true'">
+  <PropertyGroup Condition="'$(NativeAotSupported)' == 'true'">
     <IlcToolsPath>$(CoreCLRILCompilerDir)</IlcToolsPath>
     <IlcToolsPath Condition="'$(CrossBuild)' == 'true' or '$(BuildArchitecture)' != '$(TargetArchitecture)' or '$(EnableNativeSanitizers)' != ''">$(CoreCLRCrossILCompilerDir)</IlcToolsPath>
     <SysRoot Condition="('$(CrossBuild)' == 'true' or '$(BuildArchitecture)' != '$(TargetArchitecture)') and '$(HostOS)' != 'windows'">$(ROOTFS_DIR)</SysRoot>
@@ -53,12 +58,12 @@
     <DynamicCodeSupport>false</DynamicCodeSupport>
   </PropertyGroup>
 
-  <ItemGroup Condition="'$(UseNativeAotForComponents)' == 'true'">
+  <ItemGroup Condition="'$(NativeAotSupported)' == 'true'">
     <CustomLinkerArg Condition="'$(CrossBuild)' == 'true' and '$(_hostArchitecture)' == '$(_targetArchitecture)' and '$(_IsApplePlatform)' != 'true' and '$(_hostOS)' != 'windows'" Include="--gcc-toolchain=$(ROOTFS_DIR)/usr" />
   </ItemGroup>
 
   <Import Project="$(CoreCLRBuildIntegrationDir)Microsoft.DotNet.ILCompiler.SingleEntry.targets"
-          Condition="'$(UseNativeAotForComponents)' == 'true'" />
+          Condition="'$(NativeAotSupported)' == 'true'" />
   <Import Project="$(RepositoryEngineeringDir)nativeSanitizers.targets" />
 
   <!-- Needed for the amd64 -> amd64 musl cross-build to pass the target flag. -->
@@ -86,7 +91,7 @@
   </Target>
 
   <Target Name="LocateNativeCompiler"
-          Condition="'$(UseNativeAotForComponents)' == 'true' and '$(HostOS)' != 'windows'"
+          Condition="'$(NativeAotSupported)' == 'true' and '$(HostOS)' != 'windows'"
           BeforeTargets="SetupOSSpecificProps">
       <PropertyGroup>
         <CppCompilerAndLinker Condition="'$(CppCompilerAndLinker)' == ''">clang</CppCompilerAndLinker>
diff --git a/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Crossgen2.sfxproj b/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Crossgen2.sfxproj
index c9d40b79d38db..8d492718edd92 100644
--- a/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Crossgen2.sfxproj
+++ b/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Crossgen2.sfxproj
@@ -15,6 +15,8 @@
     <PermitDllAndExeFilesLackingFileVersion>true</PermitDllAndExeFilesLackingFileVersion>
     <!-- Publishing as single-file or NativeAOT means we can't examine the interior DLLs -->
     <ShouldVerifyClosure>false</ShouldVerifyClosure>
+    <!-- Publish crossgen2 as a single-file app on native-OS builds. Cross-OS NativeAOT compilation is not supported yet -->
+    <NativeAotSupported Condition="'$(CrossBuild)' == 'true' and '$(TargetOS)' != '$(HostOS)'">false</NativeAotSupported>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/native/managed/compile-native.proj b/src/native/managed/compile-native.proj
index ef7b427944efc..bcda8c5d6b57b 100644
--- a/src/native/managed/compile-native.proj
+++ b/src/native/managed/compile-native.proj
@@ -13,11 +13,26 @@
         <NativeLibsProjectsToBuild Include="$(MSBuildThisFileDirectory)cdacreader/src/cdacreader.csproj" />
     </ItemGroup>
 
+    <!-- Decide if we're going to do the NativeAOT builds -->
+    <PropertyGroup>
+        <!-- disable on Mono, for now -->
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == '' and '$(RuntimeFlavor)' == 'Mono'">false</SupportsNativeAotComponents>
+        <!-- disable on linux-bionic, for now -->
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == '' and '$(TargetsLinuxBionic)' == 'true'">false</SupportsNativeAotComponents>
+        <!-- NativeAOT doesn't support cross-OS compilation. disable for crossdac-->
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == '' and '$(HostOS)' != '$(TargetOS)'">false</SupportsNativeAotComponents>
+        <!-- unsupported targets -->
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == '' and '$(DotNetBuildSourceOnly)' == 'true'">false</SupportsNativeAotComponents>
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == '' and ('$(TargetArchitecture)' == 'arm' or '$(TargetArchitecture)' == 'armel' or '$(TargetArchitecture)' == 'x86' or '$(TargetArchitecture)' == 'riscv64')">false</SupportsNativeAotComponents>
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == '' and ('$(TargetsWindows)' == 'true' or '$(TargetsOSX)' == 'true' or ('$(TargetsLinux)' == 'true' and '$(TargetsAndroid)' != 'true' and '$(TargetsLinuxMusl)' != 'true'))">true</SupportsNativeAotComponents>
+        <SupportsNativeAotComponents Condition="'$(SupportsNativeAotComponents)' == ''">false</SupportsNativeAotComponents>
+    </PropertyGroup>
+
     <!-- some special kinds of runtime builds need extra NativeAOT flags -->
     <PropertyGroup>
         <SysRoot Condition="'$(CrossBuild)' == 'true' and '$(HostOS)' != 'windows'">$(ROOTFS_DIR)</SysRoot>
         <LinkerFlavor Condition="'$(CrossBuild)' == 'true' and '$(TargetsLinux)' == 'true'">lld</LinkerFlavor>
-        <CustomLinkerArgToolchainArg Condition="'$(CrossBuild)' == 'true' and '$(HostArchitecture)' == '$(TargetArchitecture)' and '$(HostOS)' != 'windows'">--gcc-toolchain=$(ROOTFS_DIR)/usr</CustomLinkerArgToolchainArg>
+        <CustomLinkerArgToolchainArg Condition="'$(CrossBuild)' == 'true' and '$(_hostArchitecture)' == '$(_targetArchitecture)' and '$(_hostOS)' != 'windows'">--gcc-toolchain=$(ROOTFS_DIR)/usr</CustomLinkerArgToolchainArg>
     </PropertyGroup>
 
     <ItemGroup>
@@ -36,6 +51,6 @@
                           ReferenceOutputAssembly="false"
                           AdditionalProperties="%(AdditionalProperties);$(SplitSubprojectProps)"
                           Targets="LinkNative"
-                          Condition="'$(UseNativeAotForComponents)' == 'true'"/>
+                          Condition="$(SupportsNativeAotComponents)"/>
     </ItemGroup>
 </Project>