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使用 mono/xbuild 编译 VS2015 应用程序时遇到问题

[英]Trouble compiling VS2015 application with mono/xbuild

我是编程新手,但对 Linux 并不陌生。 我最近开始了 C# 编程课程,我们使用 Visual Studio 2015 编写应用程序,因此使用 MSbuild 来编译它们。 但是,在家里我想用单声道编译所有内容,但是当我尝试时,我遇到了几个错误并且它拒绝编译。 这是我运行的程序:

$ xbuild Dice_Game.sln

这是标准错误:

Errors:

/home/dj/programs/c#_programs/Dice_Game/Dice_Game.sln (default targets)  ->
(Build target) ->
/home/dj/programs/c#_programs/Dice_Game/Dice_Game.csproj (default     targets) ->
/usr/local/lib/mono/xbuild/12.0/bin/Microsoft.CSharp.targets     (CoreCompile target) ->

CSC: error CS0518: The predefined type `System.Object' is not defined or imported
CSC: error CS0518: The predefined type `System.ValueType' is not defined or imported
CSC: error CS0518: The predefined type `System.Attribute' is not defined or imported
CSC: error CS0518: The predefined type `System.Int32' is not defined or imported
CSC: error CS0518: The predefined type `System.UInt32' is not defined or imported
CSC: error CS0518: The predefined type `System.Int64' is not defined or imported
CSC: error CS0518: The predefined type `System.UInt64' is not defined or imported
CSC: error CS0518: The predefined type `System.Single' is not defined or imported
CSC: error CS0518: The predefined type `System.Double' is not defined or imported
CSC: error CS0518: The predefined type `System.Char' is not defined or imported
CSC: error CS0518: The predefined type `System.Int16' is not defined or imported
CSC: error CS0518: The predefined type `System.Decimal' is not defined or imported
CSC: error CS0518: The predefined type `System.Boolean' is not defined or imported
CSC: error CS0518: The predefined type `System.SByte' is not defined or imported
CSC: error CS0518: The predefined type `System.Byte' is not defined or imported
CSC: error CS0518: The predefined type `System.UInt16' is not defined or imported
CSC: error CS0518: The predefined type `System.String' is not defined or imported
CSC: error CS0518: The predefined type `System.Enum' is not defined or imported
CSC: error CS0518: The predefined type `System.Delegate' is not defined or imported
CSC: error CS0518: The predefined type `System.MulticastDelegate' is not defined or imported
CSC: error CS0518: The predefined type `System.Void' is not defined or imported
CSC: error CS0518: The predefined type `System.Array' is not defined or imported
CSC: error CS0518: The predefined type `System.Type' is not defined or imported
CSC: error CS0518: The predefined type `System.Collections.IEnumerator' is not defined or imported
CSC: error CS0518: The predefined type `System.Collections.IEnumerable' is not defined or imported
CSC: error CS0518: The predefined type `System.IDisposable' is not defined or imported
CSC: error CS0518: The predefined type `System.IntPtr' is not defined or imported
CSC: error CS0518: The predefined type `System.UIntPtr' is not defined or imported
CSC: error CS0518: The predefined type `System.RuntimeFieldHandle' is not defined or imported
CSC: error CS0518: The predefined type `System.RuntimeTypeHandle' is not defined or imported
CSC: error CS0518: The predefined type `System.Exception' is not defined or imported

 4 Warning(s)
 31 Error(s)

Time Elapsed 00:00:01.2374970

似乎我可以完成这项工作......我对 Mono 的经验不足,无法让它发挥作用。 任何帮助,将不胜感激。

请将您项目的目标框架更改为 .NET 4.5。

目前 Mono 不支持 .NET 4.5.1 及更高版本。

在这个上拉了我一半的头发。 安装 Mono 的方法有很多,有些会安装过时的版本。 我记得遵循 VS Code 和 Omnisharp 的一些说明。

因此,要获得最新的安装,请按照mono 下载页面上的说明设置 apt 源,然后执行以下操作:

sudo apt install --reinstall mono-complete
sudo apt upgrade

xbuild开始工作,但表示已弃用,因此请使用msbuild

在我的 Ubuntu Bionic 设置中,这是通过安装mono-reference-assemblies-*包来解决的。 (出于某种原因,它们没有与mono-devel一起安装)

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