add support for .NET 9.0/10.0

Author: smdn

src/Smdn.MSBuild.DefineConstants.NETSdkApi/APIList.targets

@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <Target Name="GenerateAPIList" AfterTargets="Compile">
     <ItemGroup>
       <!-- .NET -->
-      <_APIListTargetFramework Include="net8.0;net7.0;net6.0;net5.0" />
+      <_APIListTargetFramework Include="net10.0;net9.0;net8.0;net7.0;net6.0;net5.0" />
       <!-- .NET Core -->
       <_APIListTargetFramework Include="netcoreapp3.1;netcoreapp3.0;netcoreapp2.1;netcoreapp2.0;netcoreapp1.1;netcoreapp1.0" />
       <!-- .NET Standard -->

src/Smdn.MSBuild.DefineConstants.NETSdkApi/ReadmeFile.targets

@@ -51,6 +51,8 @@ SPDX-License-Identifier: MIT
     <!-- ref: list of preprocessor symbols for .NET target frameworks: https://docs.microsoft.com/ja-jp/dotnet/standard/frameworks -->
     <ItemGroup>
       <_CompatibleFrameworkVersionConstant Include="NET" />
+      <_CompatibleFrameworkVersionConstant Include="NET10_0_OR_GREATER" />
+      <_CompatibleFrameworkVersionConstant Include="NET9_0_OR_GREATER" />
       <_CompatibleFrameworkVersionConstant Include="NET8_0_OR_GREATER" />
       <_CompatibleFrameworkVersionConstant Include="NET7_0_OR_GREATER" />
       <_CompatibleFrameworkVersionConstant Include="NET6_0_OR_GREATER" />

src/Smdn.MSBuild.DefineConstants.NETSdkApi/build/Smdn.MSBuild.DefineConstants.NETSdkApi.targets

@@ -1042,6 +1042,20 @@ SPDX-License-Identifier: MIT
       <_NETSdkAvailableApi TargetFrameworkCondition="$(_TargetFrameworkCondition)" Namespace="System.Threading.Tasks" Include="Task.WhenEach"/>
     </ItemGroup>
 
+    <!--
+      Applies to: NET10_0_OR_GREATER
+    -->
+    <PropertyGroup>
+      <_TargetFrameworkCondition>NET10_0_OR_GREATER</_TargetFrameworkCondition>
+    </PropertyGroup>
+
+    <MSBuild Properties="Set=$(DefineConstants);OtherSet=$(_TargetFrameworkCondition)" Projects="$(MSBuildThisFileFullPath)" Targets="TestSetOverlapsWith" >
+      <Output TaskParameter="TargetOutputs" PropertyName="_IsTargetFrameworkConditionMatched" />
+    </MSBuild>
+
+    <ItemGroup Condition="'$(_IsTargetFrameworkConditionMatched)' == 'true'">
+    </ItemGroup>
+
     <!--
       generate symbols
     -->

tests/Smdn.MSBuild.DefineConstants.NETSdkApi/Test.NET10_0_OR_GREATER.cs

@@ -0,0 +1,4 @@
+// SPDX-FileCopyrightText: 2025 smdn <smdn@smdn.jp>
+// SPDX-License-Identifier: MIT
+#if NET10_0_OR_GREATER
+#endif