Try dotnet/java-interop#1108

Java.Interop needs JDK-17 support first!

.gitmodules

@@ -8,8 +8,8 @@
     branch = main
 [submodule "external/Java.Interop"]
     path = external/Java.Interop
-    url = https://github.com/xamarin/java.interop.git
-    branch = main
+    url = https://github.com/jonpryor/java.interop.git
+    branch = jonp-allow-jdk-17
 [submodule "external/lz4"]
     path = external/lz4
     url = https://github.com/lz4/lz4.git

build-tools/gradle/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

build-tools/scripts/DotNet.targets

@@ -10,8 +10,14 @@
     />
   </Target>
   <Target Name="PrepareJavaInterop">
+    <ItemGroup>
+      <_JIPrepArg Include="&quot;-p:Jdks8Root=$(Java8SdkDirectory)&quot;" />
+      <_JIPrepArg Include="&quot;-p:Jdks11Root=$(JavaSdkDirectory)&quot;" />
+      <_JIPrepArg Include="&quot;-p:DotnetToolPath=$(DotNetPreviewTool)&quot;" />
+      <_JIPrepArg Include="&quot;-bl:$(_BinlogPathPrefix)-prepare-java-interop.binlog&quot;" />
+    </ItemGroup>
     <Exec
-        Command="&quot;$(DotNetPreviewTool)&quot; build -t:Prepare Java.Interop.sln -c $(Configuration) -p:JdksRoot=$(JavaSdkDirectory) -p:DotnetToolPath=$(DotNetPreviewTool) -bl:$(_BinlogPathPrefix)-prepare-java-interop.binlog"
+        Command="&quot;$(DotNetPreviewTool)&quot; build -t:Prepare Java.Interop.sln -c $(Configuration) @(_JIPrepArg, ' ')"
         WorkingDirectory="$(_Root)external\Java.Interop"
     />
   </Target>

build-tools/xaprepare/xaprepare/Application/GeneratedMonodroidCmakeFiles.cs

@@ -84,12 +84,12 @@ void GenerateShellConfig (Context context, StreamWriter sw)
 			AddReplacements (commonReplacements, hostRuntimeReplacements);
 
 			string monodroidObjDir = Path.Combine (Configurables.Paths.MonodroidSourceDir, "obj", context.Configuration);
-			string jdkInfoPropsPath = Path.Combine (Configurables.Paths.ExternalJavaInteropDir, "bin", $"Build{context.Configuration}", "JdkInfo.props");
+			string jdkInfoPropsPath = Path.Combine (Configurables.Paths.ExternalJavaInteropDir, "bin", $"Build{context.Configuration}", "JdkInfo-11.props");
 
 			sw.WriteLine ("# This is a bash(1) script");
 			sw.WriteLine ();
 			sw.WriteLine ($"CMAKE=\"{context.Properties.GetRequiredValue(KnownProperties.CMakePath)}\"");
-			sw.WriteLine ($"JDK_INCLUDE_PATH=\"$(grep JdkIncludePath {jdkInfoPropsPath} | cut -d '\"' -f 2 | tr '\\n' ' ')\"");
+			sw.WriteLine ($"JDK_INCLUDE_PATH=\"$(grep Jdk11IncludePath {jdkInfoPropsPath} | cut -d '\"' -f 2 | tr '\\n' ' ')\"");
 			sw.WriteLine ($"MONO_SOURCE_PATH=\"{Configurables.Paths.MonoSourceFullPath}\"");
 			sw.WriteLine ($"MONODROID_OBJ_DIR=\"{monodroidObjDir}\"");
 			sw.WriteLine ($"MONODROID_SOURCE_DIR=\"{Configurables.Paths.MonodroidSourceDir}\"");
@@ -341,7 +341,7 @@ void GenerateMonodroidTargets (Context context, StreamWriter sw)
 
 			var hostRuntimeReplacements = new Dictionary<string, string> (StringComparer.Ordinal) {
 				{ "@CmakeHostFlags@", "%(_HostRuntime.CmakeFlags)" },
-				{ "@JdkIncludePath@", "@(JdkIncludePath->'%(Identity)', ' ')" },
+				{ "@JdkIncludePath@", "@(Jdk11IncludePath->'%(Identity)', ' ')" },
 				{ "@OUTPUT_DIRECTORY@", "" },
 			};
 

build-tools/xaprepare/xaprepare/ConfigAndData/Configurables.cs

@@ -57,7 +57,7 @@ public static partial class Defaults
 			public static readonly string BinutilsVersion            = Configurables.BinutilsVersion;
 			public static readonly char[] PropertyListSeparator            = new [] { ':' };
 
-			public static readonly string JdkFolder                        = "jdk-11";
+			public static readonly string JdkFolder                        = "jdk-17";
 
 			public static readonly Version MicrosoftOpenJDK11Version = new Version (Configurables.MicrosoftOpenJDK11Version);
 			public static readonly Version MicrosoftOpenJDK11Release = new Version (Configurables.MicrosoftOpenJDK11Release);
@@ -307,7 +307,7 @@ public static partial class Paths
 			public static string OpenJDK8InstallDir                  => GetCachedPath (ref openJDK8InstallDir, ()                   => Path.Combine (ctx.Properties.GetRequiredValue (KnownProperties.AndroidToolchainDirectory), "jdk-1.8"));
 			public static string OpenJDK8CacheDir                    => GetCachedPath (ref openJDK8CacheDir, ()                     => ctx.Properties.GetRequiredValue (KnownProperties.AndroidToolchainCacheDirectory));
 
-			public static string OpenJDK11InstallDir                 => GetCachedPath (ref openJDK11InstallDir, ()                   => Path.Combine (ctx.Properties.GetRequiredValue (KnownProperties.AndroidToolchainDirectory), "jdk-11"));
+			public static string OpenJDK11InstallDir                 => GetCachedPath (ref openJDK11InstallDir, ()                   => Path.Combine (ctx.Properties.GetRequiredValue (KnownProperties.AndroidToolchainDirectory), Defaults.JdkFolder));
 			public static string OpenJDK11CacheDir                   => GetCachedPath (ref openJDK11CacheDir, ()                     => ctx.Properties.GetRequiredValue (KnownProperties.AndroidToolchainCacheDirectory));
 			// bundle
 			public static string BCLTestsArchiveName                 = "bcl-tests.zip";

external/Java.Interop.override.props

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <XamarinAndroidToolsDirectory>$(MSBuildThisFileDirectory)xamarin-android-tools</XamarinAndroidToolsDirectory>
+    <Jdks11MaxVersion>17.99.0</Jdks11MaxVersion>
   </PropertyGroup>
 
 </Project>

src/manifestmerger/build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
     // https://mvnrepository.com/artifact/com.android.tools.build/manifest-merger
-    compile group: 'com.android.tools.build', name: 'manifest-merger', version: '30.3.1'
+    implementation 'com.android.tools.build:manifest-merger:30.3.1'
 }
 
 sourceSets {
@@ -36,10 +36,10 @@ jar {
         attributes 'Main-Class': 'com.xamarin.manifestmerger.Main'
     }
     from {
-        configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
+        configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
     } {
         // Exclude native jnidispatch content to simplify installer signing and notarization
         exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA', 'com/sun/jna/**/*jnidispatch*'
     }
-    archiveName 'manifestmerger.jar'
-}
+    archiveFileName.set('manifestmerger.jar')
+}

src/monodroid/monodroid.targets

@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\external\Java.Interop\bin\Build$(Configuration)\JdkInfo.props" Condition="Exists('..\..\external\Java.Interop\bin\Build$(Configuration)\JdkInfo.props')"/>
+  <Import
+      Project="..\..\external\Java.Interop\bin\Build$(Configuration)\JdkInfo-11.props"
+      Condition="Exists('..\..\external\Java.Interop\bin\Build$(Configuration)\JdkInfo-11.props')"
+  />
   <Import Project="..\..\bin\Build$(Configuration)\cmake-config.props" Condition="Exists('..\..\bin\Build$(Configuration)\cmake-config.props')" />
   <Import Project="monodroid.projitems" />
   <UsingTask AssemblyFile="$(BootstrapTasksAssembly)" TaskName="Xamarin.Android.Tools.BootstrapTasks.GenerateMonoDroidIncludes" />

src/r8/build.gradle

@@ -15,7 +15,7 @@ repositories {
 }
 
 dependencies {
-    compile group: 'com.android.tools', name: 'r8', version: '8.0.40'
+    implementation 'com.android.tools:r8:8.0.40'
 }
 
 jar {
@@ -24,7 +24,7 @@ jar {
         attributes 'Main-Class': 'com.android.tools.r8.R8'
     }
     from {
-        configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
+        configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
     }
-    archiveName 'r8.jar'
-}
+    archiveFileName.set('r8.jar')
+}