Beginnings of CLR hosting

Author: grendello

Xamarin.Android.sln

@@ -125,6 +125,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Android.Sdk.Analy
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "proguard-android", "src\proguard-android\proguard-android.csproj", "{5FD0133B-69E5-4474-9B67-9FD1D0150C70}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "native-clr", "src\native-clr\native-clr.csproj", "{AD6DF548-2BC0-44E2-9ADC-28B4A23A1F5B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|AnyCPU = Debug|AnyCPU
@@ -347,6 +349,10 @@ Global
 		{5FD0133B-69E5-4474-9B67-9FD1D0150C70}.Debug|AnyCPU.Build.0 = Debug|Any CPU
 		{5FD0133B-69E5-4474-9B67-9FD1D0150C70}.Release|AnyCPU.ActiveCfg = Release|Any CPU
 		{5FD0133B-69E5-4474-9B67-9FD1D0150C70}.Release|AnyCPU.Build.0 = Release|Any CPU
+		{AD6DF548-2BC0-44E2-9ADC-28B4A23A1F5B}.Debug|AnyCPU.ActiveCfg = Debug|Any CPU
+		{AD6DF548-2BC0-44E2-9ADC-28B4A23A1F5B}.Debug|AnyCPU.Build.0 = Debug|Any CPU
+		{AD6DF548-2BC0-44E2-9ADC-28B4A23A1F5B}.Release|AnyCPU.ActiveCfg = Release|Any CPU
+		{AD6DF548-2BC0-44E2-9ADC-28B4A23A1F5B}.Release|AnyCPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -406,6 +412,7 @@ Global
 		{A39B6D7C-6616-40D6-8AE4-C6CEE93D2708} = {CAB438D8-B0F5-4AF0-BEBD-9E2ADBD7B483}
 		{5E806C9F-1B67-4B6B-A6AB-258834250DBB} = {FFCF518F-2A4A-40A2-9174-2EE13B76C723}
 		{5FD0133B-69E5-4474-9B67-9FD1D0150C70} = {FFCF518F-2A4A-40A2-9174-2EE13B76C723}
+		{AD6DF548-2BC0-44E2-9ADC-28B4A23A1F5B} = {FFCF518F-2A4A-40A2-9174-2EE13B76C723}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {53A1F287-EFB2-4D97-A4BB-4A5E145613F6}

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

@@ -175,6 +175,7 @@ public static partial class Paths
 			public static readonly string ExternalGitDepsDestDir           = ExternalDir;
 			public static readonly string ExternalXamarinAndroidToolsSln   = Path.Combine (ExternalDir, "xamarin-android-tools", "Xamarin.Android.Tools.sln");
 			public static readonly string NativeSourcesDir                 = Path.Combine (BuildPaths.XamarinAndroidSourceRoot, "src", "native");
+			public static readonly string NativeCLRSourcesDir              = Path.Combine (BuildPaths.XamarinAndroidSourceRoot, "src", "native-clr");
 
 			// Dynamic locations used throughout the code
 			public static string ExternalJavaInteropDir              => GetCachedPath (ref externalJavaInteropDir, ()              => ctx.Properties.GetRequiredValue (KnownProperties.JavaInteropFullPath));

build-tools/xaprepare/xaprepare/Steps/Step_GenerateFiles.cs

@@ -58,6 +58,7 @@ protected override async Task<bool> Execute (Context context)
 						Get_Configuration_Generated_Props (context),
 						Get_Cmake_XA_Build_Configuration (context),
 						Get_Cmake_Presets (context),
+						Get_Cmake_Presets_CLR (context),
 					};
 				} else {
 					return new List <GeneratedFile> {
@@ -66,6 +67,7 @@ protected override async Task<bool> Execute (Context context)
 						Get_Configuration_Generated_Props (context),
 						Get_Cmake_XA_Build_Configuration (context),
 						Get_Cmake_Presets (context),
+						Get_Cmake_Presets_CLR (context),
 						Get_Ndk_projitems (context),
 						Get_XABuildConfig_cs (context),
 						Get_Omnisharp_Json (context),
@@ -107,7 +109,7 @@ GeneratedFile Get_Cmake_XA_Build_Configuration (Context context)
 			);
 		}
 
-		GeneratedFile Get_Cmake_Presets (Context context)
+		GeneratedFile GetCmakePresetsCommon (Context context, string sourcesDir)
 		{
 			const string OutputFileName = "CMakePresets.json";
 
@@ -126,11 +128,21 @@ GeneratedFile Get_Cmake_Presets (Context context)
 
 			return new GeneratedPlaceholdersFile (
 				replacements,
-				Path.Combine (Configurables.Paths.NativeSourcesDir, $"{OutputFileName}.in"),
-				Path.Combine (Configurables.Paths.NativeSourcesDir, OutputFileName)
+				Path.Combine (sourcesDir, $"{OutputFileName}.in"),
+				Path.Combine (sourcesDir, OutputFileName)
 			);
 		}
 
+		GeneratedFile Get_Cmake_Presets (Context context)
+		{
+			return GetCmakePresetsCommon (context, Configurables.Paths.NativeSourcesDir);
+		}
+
+		GeneratedFile Get_Cmake_Presets_CLR (Context context)
+		{
+			return GetCmakePresetsCommon (context, Configurables.Paths.NativeCLRSourcesDir);
+		}
+
 		GeneratedFile Get_Configuration_Generated_Props (Context context)
 		{
 			const string OutputFileName = "Configuration.Generated.props";

src/native-clr/.gitignore

@@ -0,0 +1,2 @@
+CMakeUserPresets.json
+CMakePresets.json