Implement ZStandard Stream, Encoder, Decoder

THIRD-PARTY-NOTICES.TXT

@@ -1167,6 +1167,41 @@ WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWIS
 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 
+License notice for zstd
+-----------------------
+
+https://github.com/facebook/zstd/blob/dev/LICENSE
+
+BSD License
+
+For Zstandard software
+Copyright (c) Meta Platforms, Inc. and affiliates. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+ * Neither the name Facebook, nor Meta, nor the names of its contributors may
+   be used to endorse or promote products derived from this software without
+   specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 License notice for fmtlib/fmt
 -------------------------------
 

src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets

@@ -33,6 +33,7 @@ The .NET Foundation licenses this file to you under the MIT license.
       <UseSystemZlib Condition="'$(UseSystemZlib)' == '' and !Exists('$(IlcFrameworkNativePath)libz.a')">true</UseSystemZlib>
       <!-- Use libbrotlicommon.a as the sentinel for the three brotli libs. -->
       <UseSystemBrotli Condition="'$(UseSystemBrotli)' == '' and !Exists('$(IlcFrameworkNativePath)libbrotlicommon.a')">true</UseSystemBrotli>
+      <UseSystemZstd Condition="'$(UseSystemZstd)' == '' and !Exists('$(IlcFrameworkNativePath)libzstd.a')">true</UseSystemZstd>
 
       <FullRuntimeName>libRuntime.WorkstationGC</FullRuntimeName>
       <FullRuntimeName Condition="'$(ServerGarbageCollection)' == 'true' or '$(IlcLinkServerGC)' == 'true'">libRuntime.ServerGC</FullRuntimeName>
@@ -178,6 +179,11 @@ The .NET Foundation licenses this file to you under the MIT license.
       <NativeLibrary Include="$(IlcFrameworkNativePath)libbrotlicommon.a" />
     </ItemGroup>
 
+    <ItemGroup>
+      <!-- zstd must be added after System.IO.Compression.Native due to dependency. -->
+      <NativeLibrary Condition="'$(UseSystemZstd)' != 'true'" Include="$(IlcFrameworkNativePath)libzstd.a" />
+    </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="System.Globalization.Native" />
@@ -217,6 +223,7 @@ The .NET Foundation licenses this file to you under the MIT license.
       <NativeSystemLibrary Include="swiftFoundation" Condition="'$(_IsApplePlatform)' == 'true'" />
       <NativeSystemLibrary Include="z" Condition="'$(UseSystemZlib)' == 'true'" />
       <NativeSystemLibrary Include="brotlienc;brotlidec;brotlicommon" Condition="'$(UseSystemBrotli)' == 'true'" />
+      <NativeSystemLibrary Include="zstd" Condition="'$(UseSystemZstd)' == 'true'" />
       <NativeSystemLibrary Include="rt" Condition="'$(_IsApplePlatform)' != 'true' and '$(_linuxLibcFlavor)' != 'bionic'" />
       <NativeSystemLibrary Include="log" Condition="'$(_linuxLibcFlavor)' == 'bionic'" />
       <NativeSystemLibrary Include="icucore" Condition="'$(_IsApplePlatform)' == 'true'" />

src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Windows.targets

@@ -50,6 +50,7 @@ The .NET Foundation licenses this file to you under the MIT license.
       <NativeLibrary Include="$(IlcSdkPath)brotlicommon$(LibFileExt)" />
       <NativeLibrary Include="$(IlcSdkPath)brotlienc$(LibFileExt)" />
       <NativeLibrary Include="$(IlcSdkPath)brotlidec$(LibFileExt)" />
+      <NativeLibrary Include="$(IlcSdkPath)zstd_static$(LibFileExt)" />
     </ItemGroup>
 
     <ItemGroup>

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

@@ -298,6 +298,9 @@
     <PlatformManifestFileEntry Include="brotlienc.lib" IsNative="true" />
     <PlatformManifestFileEntry Include="brotlidec.lib" IsNative="true" />
     <PlatformManifestFileEntry Include="brotlicommon.lib" IsNative="true" />
+    <!-- zstd-specific files -->
+    <PlatformManifestFileEntry Include="libzstd.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="zstd_static.lib" IsNative="true" />
   </ItemGroup>
 
  <ItemGroup>