From b03549ff7a8b04694fd09852d9a1791b40cc79f5 Mon Sep 17 00:00:00 2001
From: Dean Ellis <dellis1972@googlemail.com>
Date: Thu, 24 Apr 2025 15:39:19 +0100
Subject: [PATCH] Skip calling certain Tasks if the input is empty

---
 dotnet/targets/Xamarin.Shared.Sdk.targets     | 5 +++--
 msbuild/Xamarin.Shared/Xamarin.Shared.targets | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/dotnet/targets/Xamarin.Shared.Sdk.targets b/dotnet/targets/Xamarin.Shared.Sdk.targets
index 115e01484109..255147880a2f 100644
--- a/dotnet/targets/Xamarin.Shared.Sdk.targets
+++ b/dotnet/targets/Xamarin.Shared.Sdk.targets
@@ -787,7 +787,7 @@
 		<!-- Figure out which frameworks are really dynamic libraries, and only publish those -->
 		<FilterStaticFrameworks
 			SessionId="$(BuildSessionId)"
-			Condition="'$(IsMacEnabled)' == 'true'"
+			Condition="'$(IsMacEnabled)' == 'true' And '@(_FrameworkToPublish->Count())' != '0'"
 			FrameworkToPublish="@(_FrameworkToPublish)"
 		>
 			<Output TaskParameter="FrameworkToPublish" ItemName="_FilteredFrameworkToPublish" />
@@ -804,7 +804,7 @@
 
 		 -->
 		<GetFullPaths
-			Condition="'$(IsMacEnabled)' == 'true'"
+			Condition="'$(IsMacEnabled)' == 'true' And '@(_FilteredFrameworkToPublish->Count())' != '0'"
 			SessionId="$(BuildSessionId)"
 			Items="@(_FilteredFrameworkToPublish)"
 			Metadata="Identity;SourceDirectory"
@@ -2415,6 +2415,7 @@ global using nfloat = global::System.Runtime.InteropServices.NFloat%3B
 
 		-->
 		<GetFileSystemEntries
+			Condition="'@(_BindingPackagesFromReferencedAssembliesDirectoriesExists->Count())' != '0'"
 			SessionId="$(BuildSessionIdIfConnected)"
 			DirectoryPath="@(_BindingPackagesFromReferencedAssembliesDirectoriesExists)"
 			Pattern="*"
diff --git a/msbuild/Xamarin.Shared/Xamarin.Shared.targets b/msbuild/Xamarin.Shared/Xamarin.Shared.targets
index ccb0044ec3b9..05df78a883d9 100644
--- a/msbuild/Xamarin.Shared/Xamarin.Shared.targets
+++ b/msbuild/Xamarin.Shared/Xamarin.Shared.targets
@@ -1500,7 +1500,7 @@ Copyright (C) 2018 Microsoft. All rights reserved.
 
 		<CoreMLCompiler
 			SessionId="$(BuildSessionId)"
-			Condition="'$(IsMacEnabled)' == 'true'"
+			Condition="'$(IsMacEnabled)' == 'true' And '@(CoreMLModel->Count())' != '0'"
 			ToolExe="$(CoreMLCompilerExe)"
 			ToolPath="$(CoreMLCompilerPath)"
 			Models="@(CoreMLModel)"