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Use a different crossgen2 when running crossgen2 during our build than the crossgen2 that we are shipping #92677

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merged 5 commits into from
Sep 29, 2023
Merged

Use a different crossgen2 when running crossgen2 during our build than the crossgen2 that we are shipping #92677

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3be21f6
Use a different crossgen2 when running crossgen2 during our build tha…
jkoritzinsky Sep 26, 2023
0ca25ed
Use the old condition in the CrossHostArch property setter.
jkoritzinsky Sep 27, 2023
0e6546c
Check CrossBuild property to correctly catch the Linux vs Linux-musl …
jkoritzinsky Sep 27, 2023
3293f0b
Rename crossgen2.csproj to crossgen2_publish.csproj and only use it w…
jkoritzinsky Sep 28, 2023
6b69eb3
Change reference from Crossgen2.sfxproj to crossgen2_publish.csproj i…
jkoritzinsky Sep 28, 2023
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2 changes: 1 addition & 1 deletion eng/Subsets.props
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Expand Up @@ -343,7 +343,7 @@
<ProjectToBuild Include="$(CoreClrProjectRoot)nativeaot\BuildIntegration\BuildIntegration.proj" Category="clr" Condition="'$(NativeAotSupported)' == 'true'" />

<ProjectToBuild Condition="'$(NativeAotSupported)' == 'true' and ('$(CrossBuild)' == 'true' or '$(BuildArchitecture)' != '$(TargetArchitecture)' or '$(HostOS)' != '$(TargetOS)' or '$(EnableNativeSanitizers)' != '')" Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler_crossarch.csproj" Category="clr" />
<ProjectToBuild Condition="'$(TargetArchitecture)' != '$(BuildArchitecture)' or '$(HostOS)' != '$(TargetOS)' or '$(EnableNativeSanitizers)' != ''" Include="$(CoreClrProjectRoot)tools\aot\crossgen2\crossgen2_crossarch.csproj" Category="clr" />
<ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\crossgen2\crossgen2_inbuild.csproj" Category="clr" />

<ProjectToBuild Condition="'$(TargetOS)' == 'windows' or ('$(TargetOS)' == 'linux' and ('$(TargetArchitecture)' == 'x64' or '$(TargetArchitecture)' == 'arm64')) or '$(TargetOS)' == 'osx'" Include="$(CoreClrProjectRoot)tools\SuperFileCheck\SuperFileCheck.csproj" Category="clr" />
</ItemGroup>
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6 changes: 5 additions & 1 deletion eng/targetingpacks.targets
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Expand Up @@ -35,7 +35,7 @@
LatestRuntimeFrameworkVersion="$(ProductVersion)"
RuntimeFrameworkName="$(LocalFrameworkOverrideName)"
RuntimePackNamePatterns="$(LocalFrameworkOverrideName).Runtime.**RID**"
RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64;linux-s390x;linux-bionic-arm;linux-bionic-arm64;linux-bionic-x64;linux-bionic-x86"
RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64;linux-s390x;linux-bionic-arm;linux-bionic-arm64;linux-bionic-x64;linux-bionic-x86;freebsd-x64;freebsd-arm64"
TargetFramework="$(NetCoreAppCurrent)"
TargetingPackName="$(LocalFrameworkOverrideName).Ref"
TargetingPackVersion="$(ProductVersion)"
Expand Down Expand Up @@ -111,6 +111,10 @@
Condition="'$(UsePackageDownload)' == 'true' and $([System.String]::Copy('%(Identity)').StartsWith('$(LocalFrameworkOverrideName).Runtime'))" />
<PackageReference Remove="@(PackageReference)"
Condition="'$(UsePackageDownload)' != 'true' and $([System.String]::Copy('%(Identity)').StartsWith('$(LocalFrameworkOverrideName).Runtime'))" />
<PackageDownload Remove="@(PackageDownload)"
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Condition="'$(UsePackageDownload)' == 'true' and $([System.String]::Copy('%(Identity)').StartsWith('$(LocalFrameworkOverrideName).Crossgen2'))" />
<PackageReference Remove="@(PackageReference)"
Condition="'$(UsePackageDownload)' != 'true' and $([System.String]::Copy('%(Identity)').StartsWith('$(LocalFrameworkOverrideName).Crossgen2'))" />
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cc @ivdiazsa (#91229)

<PackageDownload Remove="@(PackageDownload)"
Condition="'$(UsePackageDownload)' == 'true' and $([System.String]::Copy('%(Identity)').EndsWith('Microsoft.DotNet.ILCompiler'))" />
<!-- Always remove the PackageReference items as some of the packages are only via PackageReference -->
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3 changes: 1 addition & 2 deletions src/coreclr/crossgen-corelib.proj
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Expand Up @@ -5,8 +5,7 @@
</PropertyGroup>

<ItemGroup>
<ProjectReference Include="$(CoreClrProjectRoot)/tools/aot/crossgen2/crossgen2.csproj" Condition="'$(UseCrossArchCrossgen2)' != 'true'" OutputItemType="Crossgen2" />
<ProjectReference Include="$(CoreClrProjectRoot)/tools/aot/crossgen2/crossgen2_crossarch.csproj" Condition="'$(UseCrossArchCrossgen2)' == 'true'" OutputItemType="Crossgen2" />
<ProjectReference Include="$(CoreClrProjectRoot)/tools/aot/crossgen2/crossgen2_inbuild.csproj" OutputItemType="Crossgen2" />
<ProjectReference Include="$(CoreClrProjectRoot)/tools/dotnet-pgo/dotnet-pgo.csproj" OutputItemType="DotNetPgo" Condition="'$(DotNetBuildFromSource)' != 'true'" />
<ProjectReference Include="$([MSBuild]::NormalizePath('$(CoreClrProjectRoot)', 'System.Private.CoreLib', 'System.Private.CoreLib.csproj'))" OutputItemType="CoreLib" />
</ItemGroup>
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119 changes: 10 additions & 109 deletions src/coreclr/tools/aot/crossgen2/crossgen2.csproj
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@@ -1,113 +1,14 @@
<Project>

<Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />

<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputPath>$(RuntimeBinDir)crossgen2</OutputPath>
<!-- Can't use NativeAOT in source build yet https://github.com/dotnet/runtime/issues/66859 -->
<NativeAotSupported Condition="'$(DotNetBuildFromSource)' == 'true'">false</NativeAotSupported>
<NativeAotSupported Condition="$(OutputRID.StartsWith('tizen')) == 'true'">false</NativeAotSupported>
<PublishTrimmed>true</PublishTrimmed>
<RuntimeIdentifiers Condition="'$(_IsPublishing)' != 'true' and '$(DotNetBuildFromSource)' != 'true'">linux-x64;linux-musl-x64;linux-arm;linux-musl-arm;linux-arm64;linux-musl-arm64;freebsd-x64;freebsd-arm64;osx-x64;osx-arm64;win-x64;win-x86;win-arm64</RuntimeIdentifiers>
<RuntimeIdentifiers Condition="'$(DotNetBuildFromSource)' == 'true'">$(PackageRID)</RuntimeIdentifiers>
<SelfContained>false</SelfContained>
<SelfContained Condition="'$(_IsPublishing)' == 'true'">true</SelfContained>
<OutputPath>$(RuntimeBinDir)/crossgen2</OutputPath>
<UseAppHost>false</UseAppHost>
<!--
When building crossgen2, we don't have the live ref and runtime packs.
So even though we'll run against the live-built runtime,
we need to compile against the "Tool Current" runtime, which is the latest
that ships with the SDK that we build with.
-->
<TargetFramework>$(NetCoreAppToolCurrent)</TargetFramework>
</PropertyGroup>

<Import Project="crossgen2.props" />

<PropertyGroup Condition="'$(NativeAotSupported)' != 'true'">
<PublishSingleFile>true</PublishSingleFile>
<PublishReadyToRun>true</PublishReadyToRun>
<!-- Disable crossgen on NetBSD, illumos and Solaris for now. This can be revisited when we have full support. -->
<PublishReadyToRun Condition="'$(TargetOS)' == 'netbsd' Or '$(TargetOS)' == 'illumos' Or '$(TargetOS)' == 'solaris'">false</PublishReadyToRun>
<!-- Disable crossgen on FreeBSD when cross building from Linux. -->
<PublishReadyToRun Condition="'$(TargetOS)' == 'freebsd' and '$(CrossBuild)' == 'true'">false</PublishReadyToRun>
<PublishReadyToRunComposite>true</PublishReadyToRunComposite>
</PropertyGroup>

<Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />

<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>
<IlcBuildTasksPath>$(CoreCLRILCompilerDir)netstandard/ILCompiler.Build.Tasks.dll</IlcBuildTasksPath>
<IlcSdkPath>$(CoreCLRAotSdkDir)</IlcSdkPath>
<IlcFrameworkPath>$(MicrosoftNetCoreAppRuntimePackRidLibTfmDir)</IlcFrameworkPath>
<IlcFrameworkNativePath>$(MicrosoftNetCoreAppRuntimePackNativeDir)</IlcFrameworkNativePath>
<TrimmerSingleWarn>false</TrimmerSingleWarn>
<!-- Use .dwarf files instead of .dsym files since our symbol exporting may not safely handle folders. -->
<NativeSymbolExt Condition="'$(_IsApplePlatform)' == 'true'">.dwarf</NativeSymbolExt>
<DsymUtilOptions Condition="'$(_IsApplePlatform)' == 'true'">--flat</DsymUtilOptions>
</PropertyGroup>

<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="$(R2ROverridePath)" Condition="'$(R2ROverridePath)' != ''" />
<Import Project="$(CoreCLRBuildIntegrationDir)Microsoft.DotNet.ILCompiler.SingleEntry.targets"
Condition="'$(NativeAotSupported)' == 'true' and '$(_IsPublishing)' == 'true'" />
<Import Project="$(RepositoryEngineeringDir)nativeSanitizers.targets" />

<Target Name="RewriteRuntimePackDir"
Condition="'$(_IsPublishing)' == 'true'"
DependsOnTargets="ResolveRuntimeFilesFromLocalBuild"
BeforeTargets="ResolveRuntimePackAssets">
<ItemGroup>
<!-- Remove AspNetCore runtime pack since we don't build it locally -->
<ResolvedRuntimePack Remove="Microsoft.AspNetCore.App.Runtime.$(RuntimeIdentifier)" />

<ResolvedRuntimePack Update="Microsoft.NETCore.App.Runtime.$(RuntimeIdentifier)">
<PackageDirectory>$(MicrosoftNetCoreAppRuntimePackDir)</PackageDirectory>
</ResolvedRuntimePack>
</ItemGroup>
</Target>

<!-- Needed for the amd64 -> amd64 musl cross-build to pass the target flag. -->
<Target Name="_FixIlcTargetTriple"
AfterTargets="SetupOSSpecificProps"
Condition="'$(CrossBuild)' == 'true' and '$(HostOS)' != 'windows'">
<!-- Compute CrossCompileRid, and copy the downstream logic as-is. -->
<PropertyGroup>
<CrossCompileRid>$(RuntimeIdentifier)</CrossCompileRid>

<CrossCompileArch />
<CrossCompileArch Condition="$(CrossCompileRid.EndsWith('-x64'))">x86_64</CrossCompileArch>
<CrossCompileArch Condition="$(CrossCompileRid.EndsWith('-arm64')) and '$(_IsApplePlatform)' != 'true'">aarch64</CrossCompileArch>
<CrossCompileArch Condition="$(CrossCompileRid.EndsWith('-arm64')) and '$(_IsApplePlatform)' == 'true'">arm64</CrossCompileArch>

<TargetTriple />
<TargetTriple Condition="'$(CrossCompileArch)' != ''">$(CrossCompileArch)-linux-gnu</TargetTriple>
<TargetTriple Condition="'$(CrossCompileArch)' != '' and ($(CrossCompileRid.StartsWith('linux-musl')) or $(CrossCompileRid.StartsWith('alpine')))">$(CrossCompileArch)-alpine-linux-musl</TargetTriple>
<TargetTriple Condition="'$(CrossCompileArch)' != '' and ($(CrossCompileRid.StartsWith('freebsd')))">$(CrossCompileArch)-unknown-freebsd12</TargetTriple>
</PropertyGroup>

<ItemGroup>
<LinkerArg Include="--target=$(TargetTriple)" Condition="'$(_IsApplePlatform)' != 'true' and '$(TargetTriple)' != ''" />
</ItemGroup>
</Target>

<Target Name="LocateNativeCompiler"
Condition="'$(NativeAotSupported)' == 'true' and '$(_IsPublishing)' == 'true' and '$(HostOS)' != 'windows'"
BeforeTargets="SetupOSSpecificProps">
<PropertyGroup>
<CppCompilerAndLinker Condition="'$(CppCompilerAndLinker)' == ''">clang</CppCompilerAndLinker>
</PropertyGroup>

<Exec Command="sh -c 'build_arch=&quot;$(TargetArchitecture)&quot; compiler=&quot;$(CppCompilerAndLinker)&quot; . &quot;$(RepositoryEngineeringDir)/common/native/init-compiler.sh&quot; &amp;&amp; echo &quot;$CC;$LDFLAGS&quot;' 2>/dev/null"
EchoOff="true"
ConsoleToMsBuild="true"
StandardOutputImportance="Low">
<Output TaskParameter="ConsoleOutput" PropertyName="_CC_LDFLAGS" />
</Exec>

<PropertyGroup>
<CppLinker>$(_CC_LDFLAGS.SubString(0, $(_CC_LDFLAGS.IndexOf(';'))))</CppLinker>
<_LDFLAGS>$(_CC_LDFLAGS.SubString($([MSBuild]::Add($(_CC_LDFLAGS.IndexOf(';')), 1))))</_LDFLAGS>
<LinkerFlavor Condition="$(_LDFLAGS.Contains('lld'))">lld</LinkerFlavor>
</PropertyGroup>
</Target>

</Project>
1 change: 0 additions & 1 deletion src/coreclr/tools/aot/crossgen2/crossgen2.props
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Expand Up @@ -3,7 +3,6 @@
<AssemblyName>crossgen2</AssemblyName>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<OutputType>Exe</OutputType>
<TargetFramework>$(NetCoreAppToolCurrent)</TargetFramework>
<NoWarn>8002,NU1701</NoWarn>
<Platforms>x64;x86;arm64;arm;loongarch64</Platforms>
<PlatformTarget>AnyCPU</PlatformTarget>
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8 changes: 0 additions & 8 deletions src/coreclr/tools/aot/crossgen2/crossgen2_crossarch.csproj
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This file was deleted.

9 changes: 9 additions & 0 deletions src/coreclr/tools/aot/crossgen2/crossgen2_inbuild.csproj
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@@ -0,0 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<CrossHostArch Condition="'$(CrossBuild)' == 'true' or '$(TargetArchitecture)' != '$(BuildArchitecture)' or '$(HostOS)' != '$(TargetOS)' or '$(EnableNativeSanitizers)' != ''">$(BuildArchitecture)</CrossHostArch>
<OutputPath>$(RuntimeBinDir)/$(BuildArchitecture)/crossgen2</OutputPath>
<UseAppHost>false</UseAppHost>
<TargetFramework>$(NetCoreAppToolCurrent)</TargetFramework>
</PropertyGroup>
<Import Project="crossgen2.props" />
</Project>
105 changes: 105 additions & 0 deletions src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj
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<Project>
<Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />

<PropertyGroup>
<!-- Can't use NativeAOT in source build yet https://github.com/dotnet/runtime/issues/66859 -->
<NativeAotSupported Condition="'$(DotNetBuildFromSource)' == 'true'">false</NativeAotSupported>
<NativeAotSupported Condition="$(OutputRID.StartsWith('tizen')) == 'true'">false</NativeAotSupported>
<PublishTrimmed>true</PublishTrimmed>
<RuntimeIdentifiers Condition="'$(DotNetBuildFromSource)' != 'true'">linux-x64;linux-musl-x64;linux-arm;linux-musl-arm;linux-arm64;linux-musl-arm64;freebsd-x64;freebsd-arm64;osx-x64;osx-arm64;win-x64;win-x86;win-arm64</RuntimeIdentifiers>
<RuntimeIdentifiers Condition="'$(DotNetBuildFromSource)' == 'true'">$(PackageRID)</RuntimeIdentifiers>
<SelfContained>true</SelfContained>
<TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
<UseLocalAppHostPack>true</UseLocalAppHostPack>
</PropertyGroup>

<Import Project="crossgen2.props" />

<PropertyGroup Condition="'$(NativeAotSupported)' != 'true'">
<PublishSingleFile>true</PublishSingleFile>
<PublishReadyToRun>true</PublishReadyToRun>
<!-- Disable crossgen on NetBSD, illumos and Solaris for now. This can be revisited when we have full support. -->
<PublishReadyToRun Condition="'$(TargetOS)' == 'netbsd' Or '$(TargetOS)' == 'illumos' Or '$(TargetOS)' == 'solaris'">false</PublishReadyToRun>
<!-- Disable crossgen on FreeBSD when cross building from Linux. -->
<PublishReadyToRun Condition="'$(TargetOS)' == 'freebsd' and '$(CrossBuild)' == 'true'">false</PublishReadyToRun>
<PublishReadyToRunComposite>true</PublishReadyToRunComposite>
</PropertyGroup>

<Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />

<ItemGroup>
<KnownFrameworkReference Remove="Microsoft.AspNetCore.App" />
<KnownFrameworkReference Remove="Microsoft.WindowsDesktop.App" />
</ItemGroup>

<Import Project="$(RepositoryEngineeringDir)targetingpacks.targets" />

<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>
<IlcBuildTasksPath>$(CoreCLRILCompilerDir)netstandard/ILCompiler.Build.Tasks.dll</IlcBuildTasksPath>
<IlcSdkPath>$(CoreCLRAotSdkDir)</IlcSdkPath>
<IlcFrameworkPath>$(MicrosoftNetCoreAppRuntimePackRidLibTfmDir)</IlcFrameworkPath>
<IlcFrameworkNativePath>$(MicrosoftNetCoreAppRuntimePackNativeDir)</IlcFrameworkNativePath>
<TrimmerSingleWarn>false</TrimmerSingleWarn>
<!-- Use .dwarf files instead of .dsym files since our symbol exporting may not safely handle folders. -->
<NativeSymbolExt Condition="'$(_IsApplePlatform)' == 'true'">.dwarf</NativeSymbolExt>
<DsymUtilOptions Condition="'$(_IsApplePlatform)' == 'true'">--flat</DsymUtilOptions>
</PropertyGroup>

<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="$(R2ROverridePath)" Condition="'$(R2ROverridePath)' != ''" />
<Import Project="$(CoreCLRBuildIntegrationDir)Microsoft.DotNet.ILCompiler.SingleEntry.targets"
Condition="'$(NativeAotSupported)' == 'true'" />
<Import Project="$(RepositoryEngineeringDir)nativeSanitizers.targets" />

<!-- Needed for the amd64 -> amd64 musl cross-build to pass the target flag. -->
<Target Name="_FixIlcTargetTriple"
AfterTargets="SetupOSSpecificProps"
Condition="'$(CrossBuild)' == 'true' and '$(HostOS)' != 'windows'">
<!-- Compute CrossCompileRid, and copy the downstream logic as-is. -->
<PropertyGroup>
<CrossCompileRid>$(RuntimeIdentifier)</CrossCompileRid>

<CrossCompileArch />
<CrossCompileArch Condition="$(CrossCompileRid.EndsWith('-x64'))">x86_64</CrossCompileArch>
<CrossCompileArch Condition="$(CrossCompileRid.EndsWith('-arm64')) and '$(_IsApplePlatform)' != 'true'">aarch64</CrossCompileArch>
<CrossCompileArch Condition="$(CrossCompileRid.EndsWith('-arm64')) and '$(_IsApplePlatform)' == 'true'">arm64</CrossCompileArch>

<TargetTriple />
<TargetTriple Condition="'$(CrossCompileArch)' != ''">$(CrossCompileArch)-linux-gnu</TargetTriple>
<TargetTriple Condition="'$(CrossCompileArch)' != '' and ($(CrossCompileRid.StartsWith('linux-musl')) or $(CrossCompileRid.StartsWith('alpine')))">$(CrossCompileArch)-alpine-linux-musl</TargetTriple>
<TargetTriple Condition="'$(CrossCompileArch)' != '' and ($(CrossCompileRid.StartsWith('freebsd')))">$(CrossCompileArch)-unknown-freebsd12</TargetTriple>
</PropertyGroup>

<ItemGroup>
<LinkerArg Include="--target=$(TargetTriple)" Condition="'$(_IsApplePlatform)' != 'true' and '$(TargetTriple)' != ''" />
</ItemGroup>
</Target>

<Target Name="LocateNativeCompiler"
Condition="'$(NativeAotSupported)' == 'true' and '$(HostOS)' != 'windows'"
BeforeTargets="SetupOSSpecificProps">
<PropertyGroup>
<CppCompilerAndLinker Condition="'$(CppCompilerAndLinker)' == ''">clang</CppCompilerAndLinker>
</PropertyGroup>

<Exec Command="sh -c 'build_arch=&quot;$(TargetArchitecture)&quot; compiler=&quot;$(CppCompilerAndLinker)&quot; . &quot;$(RepositoryEngineeringDir)/common/native/init-compiler.sh&quot; &amp;&amp; echo &quot;$CC;$LDFLAGS&quot;' 2>/dev/null"
EchoOff="true"
ConsoleToMsBuild="true"
StandardOutputImportance="Low">
<Output TaskParameter="ConsoleOutput" PropertyName="_CC_LDFLAGS" />
</Exec>

<PropertyGroup>
<CppLinker>$(_CC_LDFLAGS.SubString(0, $(_CC_LDFLAGS.IndexOf(';'))))</CppLinker>
<_LDFLAGS>$(_CC_LDFLAGS.SubString($([MSBuild]::Add($(_CC_LDFLAGS.IndexOf(';')), 1))))</_LDFLAGS>
<LinkerFlavor Condition="$(_LDFLAGS.Contains('lld'))">lld</LinkerFlavor>
</PropertyGroup>
</Target>

</Project>
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