Microsoft.NETCore.Native.Unix.targets

<!--
***********************************************************************************************
Microsoft.NETCore.Native.Unix.targets

WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
          created a backup copy.  Incorrect changes to this file will make it
          impossible to load or build your projects from the command-line or the IDE.

This file defines the steps in the build process specific for native AOT compilation.

Licensed to the .NET Foundation under one or more agreements.
The .NET Foundation licenses this file to you under the MIT license.
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-->
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <CppCompilerAndLinkerAlternative />
    <CppCompilerAndLinkerAlternative Condition="'$(CppCompilerAndLinker)' == '' and '$(_IsApplePlatform)' != 'true'">gcc</CppCompilerAndLinkerAlternative>
    <CppCompilerAndLinker Condition="'$(CppCompilerAndLinker)' == ''">clang</CppCompilerAndLinker>
    <CppLinker>$(CppCompilerAndLinker)</CppLinker>
    <CppLibCreator>ar</CppLibCreator>
    <DsymUtilOptions Condition="'$(_IsApplePlatform)' == 'true'">--flat</DsymUtilOptions>
    <_SymbolPrefix Condition="'$(_IsApplePlatform)' == 'true'">_</_SymbolPrefix>
    <LinkerFlavor Condition="'$(LinkerFlavor)' == '' and '$(_targetOS)' == 'freebsd'">lld</LinkerFlavor>
    <LinkerFlavor Condition="'$(LinkerFlavor)' == '' and '$(_linuxLibcFlavor)' == 'bionic'">lld</LinkerFlavor>
    <LinkerFlavor Condition="'$(LinkerFlavor)' == '' and '$(_targetOS)' == 'linux'">bfd</LinkerFlavor>
  </PropertyGroup>

  <Target Name="SetupOSSpecificProps" DependsOnTargets="$(IlcDynamicBuildPropertyDependencies)">

    <PropertyGroup>
      <FullRuntimeName>libRuntime.WorkstationGC</FullRuntimeName>
      <FullRuntimeName Condition="'$(ServerGarbageCollection)' == 'true'">libRuntime.ServerGC</FullRuntimeName>

      <CrossCompileRid />
      <CrossCompileRid Condition="!$(RuntimeIdentifier.EndsWith('-$(_hostArchitecture)'))">$(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 $(CrossCompileRid.StartsWith('linux-bionic'))">$(CrossCompileArch)-linux-android21</TargetTriple>
      <TargetTriple Condition="'$(CrossCompileArch)' != '' and ($(CrossCompileRid.StartsWith('freebsd')))">$(CrossCompileArch)-unknown-freebsd12</TargetTriple>

      <IlcRPath Condition="'$(IlcRPath)' == '' and '$(_IsApplePlatform)' != 'true'">$ORIGIN</IlcRPath>
      <IlcRPath Condition="'$(IlcRPath)' == '' and '$(_IsApplePlatform)' == 'true'">@executable_path</IlcRPath>

      <EventPipeName>libeventpipe-disabled</EventPipeName>
      <EventPipeName Condition="'$(EnableNativeEventPipe)' == 'true' or '$(EventSourceSupport)' == 'true'">libeventpipe-enabled</EventPipeName>
    </PropertyGroup>

    <ItemGroup>
      <NativeLibrary Condition="'$(IlcMultiModule)' == 'true'" Include="$(SharedLibrary)" />
      <NativeLibrary Condition="'$(NativeLib)' == '' and '$(CustomNativeMain)' != 'true'" Include="$(IlcSdkPath)libbootstrapper.a" />
      <NativeLibrary Condition="'$(NativeLib)' != '' or '$(CustomNativeMain)' == 'true'" Include="$(IlcSdkPath)libbootstrapperdll.a" />
      <NativeLibrary Include="$(IlcSdkPath)$(FullRuntimeName).a" />
      <NativeLibrary Include="$(IlcSdkPath)$(EventPipeName)$(LibFileExt)" />
      <NativeLibrary Condition="'$(LinkStandardCPlusPlusLibrary)' != 'true' and '$(StaticICULinking)' != 'true'" Include="$(IlcSdkPath)libstdc++compat.a" />
    </ItemGroup>

    <ItemGroup>
      <NetCoreAppNativeLibrary Include="System.Native" />
      <NetCoreAppNativeLibrary Include="System.Globalization.Native" Condition="'$(StaticICULinking)' != 'true' and '$(InvariantGlobalization)' != 'true'" />
      <NetCoreAppNativeLibrary Include="System.IO.Compression.Native" />
      <NetCoreAppNativeLibrary Include="System.Net.Security.Native" Condition="!$(_targetOS.StartsWith('tvos')) and '$(_linuxLibcFlavor)' != 'bionic'" />
      <NetCoreAppNativeLibrary Include="System.Security.Cryptography.Native.Apple" Condition="'$(_IsApplePlatform)' == 'true'" />
      <!-- Not compliant for iOS-like platforms -->
      <NetCoreAppNativeLibrary Include="System.Security.Cryptography.Native.OpenSsl" Condition="'$(StaticOpenSslLinking)' != 'true' and '$(_IsiOSLikePlatform)' != 'true'" />
    </ItemGroup>

    <ItemGroup>
      <DirectPInvoke Include="@(NetCoreAppNativeLibrary->'lib%(Identity)')" />
      <NetCoreAppNativeLibrary Include="@(NetCoreAppNativeLibrary->'%(Identity)')">
        <EscapedPath>$(IlcFrameworkNativePath)lib%(Identity).a</EscapedPath>
      </NetCoreAppNativeLibrary>
      <NativeLibrary Include="@(NetCoreAppNativeLibrary->'%(EscapedPath)')" />
    </ItemGroup>

    <ItemGroup Condition="'$(StaticICULinking)' == 'true' and '$(NativeLib)' != 'Static' and '$(InvariantGlobalization)' != 'true'">
      <NativeLibrary Include="$(IntermediateOutputPath)libs/System.Globalization.Native/build/libSystem.Globalization.Native.a" />
      <DirectPInvoke Include="libSystem.Globalization.Native" />
      <StaticICULibs Include="-Wl,-Bstatic" Condition="'$(StaticExecutable)' != 'true'" />
      <StaticICULibs Include="-licuio -licutu -licui18n -licuuc -licudata -lstdc++" />
      <StaticICULibs Include="-Wl,-Bdynamic" Condition="'$(StaticExecutable)' != 'true'" />
    </ItemGroup>

    <ItemGroup Condition="'$(StaticOpenSslLinking)' == 'true' and '$(NativeLib)' != 'Static'">
      <NativeLibrary Include="$(IntermediateOutputPath)libs/System.Security.Cryptography.Native/build/libSystem.Security.Cryptography.Native.OpenSsl.a" />
      <DirectPInvoke Include="libSystem.Security.Cryptography.Native.OpenSsl" />
      <StaticSslLibs Include="-Wl,-Bstatic" Condition="'$(StaticExecutable)' != 'true'" />
      <StaticSslLibs Include="-lssl -lcrypto" />
      <StaticSslLibs Include="-Wl,-Bdynamic" Condition="'$(StaticExecutable)' != 'true'" />
    </ItemGroup>

    <ItemGroup Condition="'$(_IsApplePlatform)' == 'true'">
      <NativeFramework Include="CoreFoundation" />
      <NativeFramework Condition="'$(_targetOS)' == 'osx'" Include="CryptoKit" />
      <NativeFramework Include="Foundation" />
      <NativeFramework Include="Security" />
      <!-- The library builds don't reference the GSS API on tvOS builds. -->
      <NativeFramework Condition="!$(_targetOS.StartsWith('tvos'))" Include="GSS" />
    </ItemGroup>

    <ItemGroup>
      <LinkerArg Include="-fuse-ld=$(LinkerFlavor)" Condition="'$(LinkerFlavor)' != ''" />
      <LinkerArg Include="@(NativeLibrary)" />
      <LinkerArg Include="--sysroot=$(SysRoot)" Condition="'$(SysRoot)' != ''" />
      <LinkerArg Include="--target=$(TargetTriple)" Condition="'$(_IsApplePlatform)' != 'true' and '$(TargetTriple)' != ''" />
      <LinkerArg Include="-arch $(CrossCompileArch)" Condition="'$(_IsApplePlatform)' == 'true' and '$(CrossCompileArch)' != ''" />
      <LinkerArg Include="-g" Condition="$(NativeDebugSymbols) == 'true'" />
      <LinkerArg Include="-Wl,--strip-debug" Condition="$(NativeDebugSymbols) != 'true' and '$(_IsApplePlatform)' != 'true'" />
      <LinkerArg Include="-Wl,-rpath,'$(IlcRPath)'" Condition="'$(StaticExecutable)' != 'true' and !$([MSBuild]::IsOSPlatform('Windows'))" />
      <LinkerArg Include="-Wl,-rpath,&quot;$(IlcRPath)&quot;" Condition="'$(StaticExecutable)' != 'true' and $([MSBuild]::IsOSPlatform('Windows'))" />
      <LinkerArg Include="-Wl,--build-id=sha1" Condition="'$(_IsApplePlatform)' != 'true'" />
      <LinkerArg Include="-Wl,--as-needed" Condition="'$(_IsApplePlatform)' != 'true'" />
      <LinkerArg Include="-Wl,-e0x0" Condition="'$(NativeLib)' == 'Shared' and '$(_IsApplePlatform)' != 'true'" />
      <LinkerArg Include="-pthread" Condition="'$(_IsApplePlatform)' != 'true'" />
      <LinkerArg Include="-lstdc++" Condition="'$(LinkStandardCPlusPlusLibrary)' == 'true'" />
      <LinkerArg Include="-ldl" />
      <LinkerArg Include="-lobjc" Condition="'$(_IsApplePlatform)' == 'true'" />
      <LinkerArg Include="-lswiftCore" Condition="'$(_targetOS)' == 'osx'" />
      <LinkerArg Include="-lswiftFoundation" Condition="'$(_targetOS)' == 'osx'" />
      <LinkerArg Include="-lz" />
      <LinkerArg Include="-lrt" Condition="'$(_IsApplePlatform)' != 'true' and '$(_linuxLibcFlavor)' != 'bionic'" />
      <LinkerArg Include="-llog" Condition="'$(_linuxLibcFlavor)' == 'bionic'" />
      <LinkerArg Include="-licucore" Condition="'$(_IsApplePlatform)' == 'true'" />
      <LinkerArg Include="-L/usr/lib/swift" Condition="'$(_targetOS)' == 'osx'" />
      <LinkerArg Include="@(StaticICULibs)" Condition="'$(StaticICULinking)' == 'true'" />
      <LinkerArg Include="@(StaticSslLibs)" Condition="'$(StaticOpenSslLinking)' == 'true'" />
      <LinkerArg Include="-lm" />
      <LinkerArg Include="-static" Condition="'$(StaticExecutable)' == 'true' and '$(PositionIndependentExecutable)' == 'false'" />
      <LinkerArg Include="-static-pie" Condition="'$(StaticExecutable)' == 'true' and '$(PositionIndependentExecutable)' != 'false'" />
      <LinkerArg Include="-dynamiclib" Condition="'$(_IsApplePlatform)' == 'true' and '$(NativeLib)' == 'Shared'" />
      <LinkerArg Include="-shared" Condition="'$(_IsApplePlatform)' != 'true' and '$(NativeLib)' == 'Shared'" />
      <!-- binskim warning BA3001 PIE disabled on executable -->
      <LinkerArg Include="-pie -Wl,-pie" Condition="'$(_IsApplePlatform)' != 'true' and '$(NativeLib)' == '' and '$(StaticExecutable)' != 'true' and '$(PositionIndependentExecutable)' != 'false'" />
      <LinkerArg Include="-Wl,-no-pie" Condition="'$(_IsApplePlatform)' != 'true' and '$(NativeLib)' == '' and '$(StaticExecutable)' != 'true' and '$(PositionIndependentExecutable)' == 'false'" />
      <!-- binskim warning BA3010 The GNU_RELRO segment is missing -->
      <LinkerArg Include="-Wl,-z,relro" Condition="'$(_IsApplePlatform)' != 'true'" />
      <!-- binskim warning BA3011 The BIND_NOW flag is missing -->
      <LinkerArg Include="-Wl,-z,now" Condition="'$(_IsApplePlatform)' != 'true'" />
      <LinkerArg Include="-Wl,-u,$(_SymbolPrefix)NativeAOT_StaticInitialization" Condition="'$(NativeLib)' == 'Shared' or '$(CustomNativeMain)' == 'true'" />
      <!-- this workaround can be deleted once the minimum supported glibc version
           (runtime's official build machine's glibc version) is at least 2.33
           see https://github.com/bminor/glibc/commit/99468ed45f5a58f584bab60364af937eb6f8afda -->
      <LinkerArg Include="-Wl,--defsym,__xmknod=mknod" Condition="'$(StaticExecutable)' == 'true'" />
      <!-- FreeBSD has two versions of the GSSAPI it can use, but we only use the ports version (MIT version) here -->
      <LinkerArg Include="-L/usr/local/lib -lgssapi_krb5" Condition="'$(_targetOS)' == 'freebsd'" />
      <!-- FreeBSD's inotify is an installed package and not found in default libraries  -->
      <LinkerArg Include="-L/usr/local/lib -linotify" Condition="'$(_targetOS)' == 'freebsd'" />
      <LinkerArg Include="-Wl,-segprot,__THUNKS,rx,rx" Condition="'$(_IsiOSLikePlatform)' == 'true'" />
      <LinkerArg Include="@(NativeFramework->'-framework %(Identity)')" Condition="'$(_IsApplePlatform)' == 'true'" />
      <LinkerArg Include="-Wl,--eh-frame-hdr" Condition="'$(_IsApplePlatform)' != 'true'" />
    </ItemGroup>

    <PropertyGroup>
      <_CommandProbe>command -v</_CommandProbe>
      <_CommandProbe Condition="$([MSBuild]::IsOSPlatform('Windows'))">where /Q</_CommandProbe>
    </PropertyGroup>

    <Exec Command="$(_CommandProbe) &quot;$(CppLinker)&quot;" IgnoreExitCode="true" StandardOutputImportance="Low">
      <Output TaskParameter="ExitCode" PropertyName="_WhereLinker" />
    </Exec>

    <Exec Command="$(_CommandProbe) &quot;$(CppCompilerAndLinkerAlternative)&quot;" Condition="'$(CppCompilerAndLinkerAlternative)' != '' and '$(_WhereLinker)' != '0'" IgnoreExitCode="true" StandardOutputImportance="Low">
      <Output TaskParameter="ExitCode" PropertyName="_WhereLinkerAlt" />
    </Exec>

    <PropertyGroup Condition="'$(CppCompilerAndLinkerAlternative)' != '' and '$(_WhereLinker)' != '0' and '$(_WhereLinkerAlt)' == '0'">
      <CppCompilerAndLinker>$(CppCompilerAndLinkerAlternative)</CppCompilerAndLinker>
      <CppLinker>$(CppCompilerAndLinker)</CppLinker>
      <_WhereLinker>0</_WhereLinker>
    </PropertyGroup>

    <PropertyGroup Condition="'$(ObjCopyName)' == '' and '$(_IsApplePlatform)' != 'true'">
      <ObjCopyName Condition="!$(CppCompilerAndLinker.Contains('clang'))">objcopy</ObjCopyName>
      <ObjCopyName Condition="$(CppCompilerAndLinker.Contains('clang'))">llvm-objcopy</ObjCopyName>
      <ObjCopyNameAlternative />
      <ObjCopyNameAlternative Condition="$(CppCompilerAndLinker.Contains('clang'))">objcopy</ObjCopyNameAlternative>
    </PropertyGroup>

    <Error Condition="'$(_WhereLinker)' != '0' and '$(_IsApplePlatform)' == 'true'" Text="Platform linker ('$(CppLinker)') not found in PATH. Ensure you have all the required prerequisites documented at https://aka.ms/nativeaot-prerequisites." />
    <Error Condition="'$(_WhereLinker)' != '0' and '$(CppCompilerAndLinkerAlternative)' != ''"
      Text="Platform linker ('$(CppLinker)' or '$(CppCompilerAndLinkerAlternative)') not found in PATH. Ensure you have all the required prerequisites documented at https://aka.ms/nativeaot-prerequisites." />
    <Error Condition="'$(_WhereLinker)' != '0' and '$(CppCompilerAndLinkerAlternative)' == '' and '$(_IsApplePlatform)' != 'true'"
      Text="Requested linker ('$(CppLinker)') not found in PATH." />

    <Exec Command="&quot;$(CppLinker)&quot; -fuse-ld=lld -Wl,--version" Condition="'$(LinkerFlavor)' == 'lld'" IgnoreExitCode="true" StandardOutputImportance="Low" ConsoleToMSBuild="true">
      <Output TaskParameter="ExitCode" PropertyName="_LinkerVersionStringExitCode" />
      <Output TaskParameter="ConsoleOutput" PropertyName="_LinkerVersionString" />
    </Exec>

    <PropertyGroup Condition="'$(_LinkerVersionStringExitCode)' == '0' and '$(_LinkerVersionString)' != ''">
      <_LinkerVersion>$([System.Text.RegularExpressions.Regex]::Match($(_LinkerVersionString), '[1-9]\d*'))</_LinkerVersion>
    </PropertyGroup>

    <Exec Command="$(_CommandProbe) &quot;$(ObjCopyName)&quot;" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(_IsApplePlatform)' != 'true' and '$(StripSymbols)' == 'true'">
      <Output TaskParameter="ExitCode" PropertyName="_WhereSymbolStripper" />
    </Exec>

    <Exec Command="$(_CommandProbe) &quot;$(ObjCopyNameAlternative)&quot;" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(_IsApplePlatform)' != 'true' and '$(ObjCopyNameAlternative)' != '' and '$(StripSymbols)' == 'true'">
      <Output TaskParameter="ExitCode" PropertyName="_WhereSymbolStripperAlt" />
    </Exec>

    <PropertyGroup Condition="'$(ObjCopyNameAlternative)' != '' and '$(_WhereSymbolStripper)' != '0' and '$(_WhereSymbolStripperAlt)' == '0'">
      <ObjCopyName>$(ObjCopyNameAlternative)</ObjCopyName>
      <_WhereSymbolStripper>0</_WhereSymbolStripper>
    </PropertyGroup>

    <Error Condition="'$(_WhereSymbolStripper)' != '0' and '$(StripSymbols)' == 'true' and '$(ObjCopyNameAlternative)' != ''"
      Text="Symbol stripping tool ('$(ObjCopyName)' or '$(ObjCopyNameAlternative)') not found in PATH. Try installing appropriate package for $(ObjCopyName) or $(ObjCopyNameAlternative) to resolve the problem or set the StripSymbols property to false to disable symbol stripping." />
    <Error Condition="'$(_WhereSymbolStripper)' != '0' and '$(StripSymbols)' == 'true' and '$(_IsApplePlatform)' != 'true'"
      Text="Symbol stripping tool ('$(ObjCopyName)') not found in PATH. Make sure '$(ObjCopyName)' is available in PATH or set the StripSymbols property to false to disable symbol stripping." />

    <Exec Command="command -v dsymutil &amp;&amp; command -v strip" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(_IsApplePlatform)' == 'true' and '$(StripSymbols)' == 'true'">
      <Output TaskParameter="ExitCode" PropertyName="_WhereSymbolStripper" />
    </Exec>
    <Error Condition="'$(_WhereSymbolStripper)' != '0' and '$(StripSymbols)' == 'true' and '$(_IsApplePlatform)' != 'true'"
      Text="Symbol stripping tools ('dsymutil' and 'strip') not found in PATH. Make sure 'dsymutil' and 'strip' are available in PATH or set the StripSymbols property to false to disable symbol stripping." />

    <Exec Command="dsymutil --help" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(_IsApplePlatform)' == 'true' and '$(StripSymbols)' == 'true'">
      <Output TaskParameter="ExitCode" PropertyName="_DsymUtilOutput" />
    </Exec>

    <Exec Command="CC=&quot;$(CppLinker)&quot; &quot;$(IlcHostPackagePath)/native/src/libs/build-local.sh&quot; &quot;$(IlcHostPackagePath)/&quot; &quot;$(IntermediateOutputPath)&quot; System.Globalization.Native"
        Condition="'$(StaticICULinking)' == 'true' and '$(InvariantGlobalization)' != 'true'" />

    <Exec Command="CC=&quot;$(CppLinker)&quot; &quot;$(IlcHostPackagePath)/native/src/libs/build-local.sh&quot; &quot;$(IlcHostPackagePath)/&quot; &quot;$(IntermediateOutputPath)&quot; System.Security.Cryptography.Native"
        Condition="'$(StaticOpenSslLinking)' == 'true'" />

    <PropertyGroup Condition="'$(_IsApplePlatform)' == 'true' and '$(StripSymbols)' == 'true' and $(_DsymUtilOutput.Contains('--minimize'))">
      <DsymUtilOptions>$(DsymUtilOptions) --minimize</DsymUtilOptions>
    </PropertyGroup>
  </Target>
</Project>