Bridges the worlds of .NET with the native APIs of macOS, iOS, tvOS, and watchOS.
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Rolf Bjarne Kvinge 15348e0ff3
[msbuild] Make sure the build doesn't keep going if the ILLink task fails. (#21393)
Here's an example failure that didn't stop the build:

    Target Name=_RunILLink Project=sampleproj.csproj
        Building target "_RunILLink" completely.
        Output file "obj\Release\net8.0-ios\ios-arm64\linked\Link.semaphore" does not exist.
        [...]
        Xamarin.MacDev.Tasks.ILLink
            [...]
            C:\Program Files\dotnet\packs\Microsoft.iOS.Windows.Sdk.net8.0_17.5\17.5.8030\tools\msbuild\iOS\Xamarin.iOS.Common.After.targets(364,3): [xma][err]: An exception occurred in the task 'ILLink'
            C:\Program Files\dotnet\packs\Microsoft.iOS.Windows.Sdk.net8.0_17.5\17.5.8030\tools\msbuild\iOS\Xamarin.iOS.Common.After.targets(364,3): The post for client build1460814608Ilian on topic xvs/build/1.14.0.6/execute-task/ecacau/de6ed16002fILLink has been cancelled
       at Xamarin.Messaging.Client.MessagingClient.PostAsync[TRequest,TResponse](TRequest message, String topic, MessagePriority priority, CancellationToken cancellationToken, Boolean retain, Int32 timeoutSecs) in D:\a\_work\1\s\src\Xamarin.Messaging.Client\MessagingClient.cs:line 231
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 57
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ThrowIfConnected(ExceptionDispatchInfo exceptionInfo, IMessagingAnalyticsAction analytics) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 149
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.HandleExceptionAsync[TResult](ExceptionDispatchInfo exceptionInfo, Func`1 reentrancyDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 97
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 64
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.HandleExceptionAsync[TResult](ExceptionDispatchInfo exceptionInfo, Func`1 reentrancyDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 103
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 64
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 39
       at Xamarin.Messaging.Ssh.MessagingClientPro.PostAsync[TMessage,TResult](TMessage request, CancellationToken cancellationToken, Boolean retain, Int32 timeoutSecs) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingClientPro.cs:line 144
       at Xamarin.Messaging.Build.Client.BuildClient.RunMessagingAsync[TMessage,TResult](TMessage message, Int32 timeoutSecs) in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\BuildClient.cs:line 293
       at Xamarin.Messaging.Build.Client.BuildClient.ExecuteTaskAsync(String task, String inputs) in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\BuildClient.cs:line 65
       at Xamarin.Messaging.Build.Client.TaskRunner.RunAsync(Task task) in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\TaskRunner.cs:line 56
            Errors
                C:\Program Files\dotnet\packs\Microsoft.iOS.Windows.Sdk.net8.0_17.5\17.5.8030\tools\msbuild\iOS\Xamarin.iOS.Common.After.targets(364,3): MessagingException: The post for client build1460814608Ilian on topic xvs/build/1.14.0.6/execute-task/ecacau/de6ed16002fILLink has been cancelled
    OperationCanceledException: The operation was canceled.
     [sampleproj.csproj]
                C:\Program Files\dotnet\packs\Microsoft.iOS.Windows.Sdk.net8.0_17.5\17.5.8030\tools\msbuild\iOS\Xamarin.iOS.Common.After.targets(364,3): error MSB4018: The "Xamarin.MacDev.Tasks.ILLink" task failed unexpectedly.
    System.AggregateException: One or more errors occurred. (One or more errors occurred. (An error occurred while executing the operation and the connection could not be reestablished))
     ---> System.AggregateException: One or more errors occurred. (An error occurred while executing the operation and the connection could not be reestablished)
     ---> Xamarin.Messaging.Exceptions.MessagingException: An error occurred while executing the operation and the connection could not be reestablished
     ---> Xamarin.Messaging.Exceptions.ClientDisconnectedException: The client build1460814608Ilian has been disconnected while waiting a post response to topic xma/agents
       at Xamarin.Messaging.Client.MessagingClient.PostAsync[TRequest,TResponse](TRequest message, String topic, MessagePriority priority, CancellationToken cancellationToken, Boolean retain, Int32 timeoutSecs) in D:\a\_work\1\s\src\Xamarin.Messaging.Client\MessagingClient.cs:line 197
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 57
       --- End of inner exception stack trace ---
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ReconnectAsync(ExceptionDispatchInfo exceptionInfo, IMessagingAnalyticsAction analytics) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 182
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.HandleExceptionAsync[TResult](ExceptionDispatchInfo exceptionInfo, Func`1 reentrancyDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 99
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, IMessagingAnalyticsAction analytics, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 64
       at Xamarin.Messaging.Ssh.MessagingRunnerPro.ExecuteWithRetryAsync[TResult](Func`1 executeDelegate, Int32 attempts) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingRunnerPro.cs:line 39
       at Xamarin.Messaging.Ssh.MessagingClientPro.PostAsync[TMessage,TResult](TMessage request, Boolean retain, Int32 timeoutSecs) in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingClientPro.cs:line 135
       at Xamarin.Messaging.Ssh.MessagingService.RefreshAgentsStatusAsync() in D:\a\_work\1\s\src\Xamarin.Messaging.Ssh\MessagingService.cs:line 298
       at Xamarin.Messaging.Build.Client.BuildConnection.GetBuildAgentStatusAsync() in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\BuildConnection.Normal.cs:line 435
       at Xamarin.Messaging.Build.Client.BuildConnection.IsBuildAgentRunningAsync() in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\BuildConnection.Normal.cs:line 92
       --- End of inner exception stack trace ---
       at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
       at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
       at Xamarin.Messaging.Build.Client.BuildConnection.get_IsConnected() in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\BuildConnection.Normal.cs:line 45
       at Xamarin.Messaging.Build.Client.BuildConnection.GetAsync(IBuildEngine4 engine) in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\BuildConnection.Static.cs:line 50
       at Xamarin.Messaging.Build.Client.TaskRunner.DisconnectAsync(Task task) in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\TaskRunner.cs:line 541
       at Xamarin.Messaging.Build.Client.TaskRunner.RunAsync(Task task) in D:\a\_work\1\s\src\MSBuild\Xamarin.Messaging.Build.Client\TaskRunner.cs:line 99
       --- End of inner exception stack trace ---
       at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
       at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
       at Xamarin.MacDev.Tasks.ILLink.Execute() in /Users/builder/azdo/_work/1/s/xamarin-macios/msbuild/Xamarin.MacDev.Tasks/Tasks/ILLink.cs:line 30
       at Microsoft.Build.BackEnd.TaskExecutionHost.Execute()
       at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(TaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask)
            Messages
            [...]
        Task "Touch" skipped, due to false condition; ( '$(_ILLinkExitCode)' == '0' ) was evaluated as ( '' == '0' ).

     (and build kept going, eventually failing later on because ILLink didn't run correctly)

Ref: https://developercommunity.visualstudio.com/t/Maui-Blazor-Hybrid-App-wont-publish-to-/10750311#T-ND10763338
2024-10-16 11:01:22 +02:00
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README.md

.NET for iOS, Mac Catalyst, macOS, tvOS

Welcome!

This module is the main repository for:

  • .NET for iOS
  • .NET for Mac Catalyst
  • .NET for macOS
  • .NET for tvOS

These SDKs allow us to create native iOS, Mac Catalyst, macOS and tvOS applications using the same UI controls we would in Objective-C and Xcode, except with the flexibility and elegance of a modern language (C#), the power of the .NET Base Class Library (BCL), and first-class IDEs and editors—Visual Studio and Visual Studio Code—at our fingertips.

This repository is where we do development for the .NET for iOS, Mac Catalyst, macOS, and tvOS SDKs. .NET for iOS, Mac Catalyst, macOS, and tvOS are part of .NET MAUI, and may also be used independently for native iOS and macOS development with .NET.

There are a few ways that you can contribute, for example:

Support

.NET for iOS, Mac Catalyst, macOS, and tvOS are part of .NET MAUI, since it was introduced in May 2022 as part of .NET 6, and is currently supported as described on the .NET MAUI Support Policy.

Support for Xamarin.iOS and Xamarin.Mac ended on May 1, 2024 as per the Xamarin Support Policy:

Xamarin support ended on May 1, 2024 for all Xamarin SDKs including Xamarin.Forms. Android API 34 and Xcode 15 SDKs (iOS and iPadOS 17, macOS 14) are the final versions Xamarin targets from existing Xamarin SDKs (i.e. no new APIs are planned).

Contributing

If you are interested in fixing issues and contributing directly to the code base, please see the document How to Contribute, which covers the following:

Downloads

The preferred method for installing Xamarin.iOS and Mac is to use the Visual Studio installers (Windows, Mac).

The team also strongly recommends using the latest Xamarin SDK and Xcode whenever possible.

However, we provide links to older Xamarin.iOS and Mac packages for macOS downgrades and build machine configuration, see Downloads.

Feedback

Discord

License

Copyright (c) .NET Foundation Contributors. All rights reserved. Licensed under the MIT License.