From bc5edf238569f5e83edea0031560ec6cef7a0cb7 Mon Sep 17 00:00:00 2001
From: Jonathan Pobst <jonathan.pobst@microsoft.com>
Date: Thu, 25 May 2023 13:25:01 -0500
Subject: [PATCH] [Xamarin.Android.Build.Tasks] Add $(_BindingsToolsLocation)
 to allow overriding binding tool binaries.

---
 .../Xamarin.Android.Bindings.ClassParse.targets        | 10 ++++++++--
 .../Android/Xamarin.Android.Bindings.Core.targets      |  8 +++++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.ClassParse.targets b/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.ClassParse.targets
index e311d457ce9..8b551c72ed2 100644
--- a/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.ClassParse.targets
+++ b/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.ClassParse.targets
@@ -18,6 +18,12 @@ This file is only used by binding projects.
       Inputs="@(EmbeddedJar);@(EmbeddedReferenceJar);@(InputJar);@(ReferenceJar);@(_AndroidMSBuildAllProjects)"
       Outputs="$(ApiOutputFile)">
 
+    <PropertyGroup>
+      <!-- Allow $(_BindingsToolsLocation) to override where to find class-parse/generator -->
+      <_BindingsToolsLocation Condition=" '$(_BindingsToolsLocation)' == '' ">$(MonoAndroidToolsDirectory)</_BindingsToolsLocation>
+      <_BindingsToolsLocation Condition=" '$(UsingAndroidNETSdk)' != 'true' ">$(MonoAndroidToolsDirectory)</_BindingsToolsLocation>
+    </PropertyGroup>
+
     <ItemGroup>
       <_AndroidDocumentationPath Include="@(_JavaSourceJavadocXml)" />
       <_AndroidDocumentationPath Include="@(JavaDocIndex->'%(RootDir)\%(Directory)')" />
@@ -32,7 +38,7 @@ This file is only used by binding projects.
         SourceJars="@(EmbeddedJar);@(InputJar)"
         DocumentationPaths="@(_AndroidDocumentationPath)"
         NetCoreRoot="$(NetCoreRoot)"
-        ToolPath="$(MonoAndroidToolsDirectory)"
+        ToolPath="$(_BindingsToolsLocation)"
         ToolExe="$(ClassParseToolExe)"
     />
     <BindingsGenerator
@@ -44,7 +50,7 @@ This file is only used by binding projects.
         ReferencedManagedLibraries="@(ReferencePath);@(ReferenceDependencyPaths)"
         MonoAndroidFrameworkDirectories="$(_XATargetFrameworkDirectories)"
         NetCoreRoot="$(NetCoreRoot)"
-        ToolPath="$(MonoAndroidToolsDirectory)"
+        ToolPath="$(_BindingsToolsLocation)"
         ToolExe="$(BindingsGeneratorToolExe)"
         Nullable="$(Nullable)"
         UseJavaLegacyResolver="$(_AndroidUseJavaLegacyResolver)"
diff --git a/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.Core.targets b/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.Core.targets
index 07564b1309e..55b4cf76c7e 100644
--- a/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.Core.targets
+++ b/src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.Core.targets
@@ -55,6 +55,12 @@ It is shared between "legacy" binding projects and .NET 5 projects.
       Inputs="$(ApiOutputFile);@(TransformFile);@(ReferencePath);@(ReferenceDependencyPaths);@(_AndroidMSBuildAllProjects)"
       Outputs="$(_GeneratorStampFile)">
 
+    <PropertyGroup>
+      <!-- Allow $(_BindingsToolsLocation) to override where to find class-parse/generator -->
+      <_BindingsToolsLocation Condition=" '$(_BindingsToolsLocation)' == '' ">$(MonoAndroidToolsDirectory)</_BindingsToolsLocation>
+      <_BindingsToolsLocation Condition=" '$(UsingAndroidNETSdk)' != 'true' ">$(MonoAndroidToolsDirectory)</_BindingsToolsLocation>
+    </PropertyGroup>
+    
     <!-- Delete previous generated files if they still exist -->
     <RemoveDirFixed Directories="$(GeneratedOutputPath)" Condition="Exists ('$(GeneratedOutputPath)')" />
 
@@ -87,7 +93,7 @@ It is shared between "legacy" binding projects and .NET 5 projects.
         MonoAndroidFrameworkDirectories="$(_XATargetFrameworkDirectories)"
         TypeMappingReportFile="$(GeneratedOutputPath)type-mapping.txt"
         NetCoreRoot="$(NetCoreRoot)"
-        ToolPath="$(MonoAndroidToolsDirectory)"
+        ToolPath="$(_BindingsToolsLocation)"
         ToolExe="$(BindingsGeneratorToolExe)"
         LangVersion="$(LangVersion)"
         EnableBindingStaticAndDefaultInterfaceMethods="$(AndroidBoundInterfacesContainStaticAndDefaultInterfaceMethods)"