mac/linux"dotnet build"框架".NETFramework .."的参考程序集.找不到 [英] mac/linux `dotnet build` The reference assemblies for framework ".NETFramework.." were not found

问题描述

当尝试构建针对net47而不是.netcore或.net std的Microsoft.NET.Sdk样式项目时. dotnet build将给出有关缺少定位包的错误. msbuild可以代替，但是我更喜欢使用dotnet build.有办法吗?

When trying to build Microsoft.NET.Sdk style project that targets net47 rather than .netcore or .net std. The dotnet build will give an error about missing targeting pack. msbuild will work instead, but i'd prefer to use dotnet build. Is there a way.

/usr/local/share/dotnet/sdk/2.1.200/Microsoft.Common.CurrentVersion.targets
(1179,5): error MSB3644: The reference assemblies for framework 
".NETFramework,Version=v4.7" were not found. To resolve this, install the
 SDK or Targeting Pack for this framework version or retarget your application to a version of the framework for which you have the SDK or
 Targeting Pack installed. Note that assemblies will be resolved from the
 Global Assembly Cache (GAC) and will be used in place of reference 
assemblies. Therefore your assembly may not be correctly targeted for the 
framework you intend.

推荐答案

有一种解决方案不需要依赖MyGet；添加此道具导入:

There's a solution that doesn't require depending on MyGet; adding this props import:

   <TargetFramework>net472</TargetFramework>
   <OutDir>bin</OutDir>
 </PropertyGroup>
+<Import Project="netfx.props" />
 <ItemGroup>

，然后在解决方案中包含此netfx.props文件:

And then include this netfx.props file on your solution:

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (c) Microsoft Corporation.  All Rights Reserved.  See License.txt in the project root for license information. -->
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <!-- When compiling .NET SDK 2.0 projects targeting .NET 4.x on Mono using 'dotnet build' you -->
    <!-- have to teach MSBuild where the Mono copy of the reference asssemblies is -->
    <TargetIsMono Condition="($(TargetFramework.StartsWith('net4')) OR $(TargetFrameworkVersion.StartsWith('v4.'))) AND '$(OS)' == 'Unix'">true</TargetIsMono>

    <!-- Look in the standard install locations -->
    <BaseFrameworkPathOverrideForMono Condition="'$(BaseFrameworkPathOverrideForMono)' == '' AND '$(TargetIsMono)' == 'true' AND EXISTS('/Library/Frameworks/Mono.framework/Versions/Current/lib/mono')">/Library/Frameworks/Mono.framework/Versions/Current/lib/mono</BaseFrameworkPathOverrideForMono>
    <BaseFrameworkPathOverrideForMono Condition="'$(BaseFrameworkPathOverrideForMono)' == '' AND '$(TargetIsMono)' == 'true' AND EXISTS('/usr/lib/mono')">/usr/lib/mono</BaseFrameworkPathOverrideForMono>
    <BaseFrameworkPathOverrideForMono Condition="'$(BaseFrameworkPathOverrideForMono)' == '' AND '$(TargetIsMono)' == 'true' AND EXISTS('/usr/local/lib/mono')">/usr/local/lib/mono</BaseFrameworkPathOverrideForMono>

    <!-- If we found Mono reference assemblies, then use them -->
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net45' OR '$(TargetFrameworkVersion)' == 'v4.5')">$(BaseFrameworkPathOverrideForMono)/4.5-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net451' OR '$(TargetFrameworkVersion)' == 'v4.5.1')">$(BaseFrameworkPathOverrideForMono)/4.5.1-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net452' OR '$(TargetFrameworkVersion)' == 'v4.5.2')">$(BaseFrameworkPathOverrideForMono)/4.5.2-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net46' OR '$(TargetFrameworkVersion)' == 'v4.6')">$(BaseFrameworkPathOverrideForMono)/4.6-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net461' OR '$(TargetFrameworkVersion)' == 'v4.6.1')">$(BaseFrameworkPathOverrideForMono)/4.6.1-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net462' OR '$(TargetFrameworkVersion)' == 'v4.6.2')">$(BaseFrameworkPathOverrideForMono)/4.6.2-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net47' OR '$(TargetFrameworkVersion)' == 'v4.7')">$(BaseFrameworkPathOverrideForMono)/4.7-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net471' OR '$(TargetFrameworkVersion)' == 'v4.7.1')">$(BaseFrameworkPathOverrideForMono)/4.7.1-api</FrameworkPathOverride>
    <FrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != '' AND ('$(TargetFramework)' == 'net472' OR '$(TargetFrameworkVersion)' == 'v4.7.2')">$(BaseFrameworkPathOverrideForMono)/4.7.2-api</FrameworkPathOverride>
    <EnableFrameworkPathOverride Condition="'$(BaseFrameworkPathOverrideForMono)' != ''">true</EnableFrameworkPathOverride>

    <!-- Add the Facades directory.  Not sure how else to do this. Necessary at least for .NET 4.5 -->
    <AssemblySearchPaths Condition="'$(BaseFrameworkPathOverrideForMono)' != ''">$(FrameworkPathOverride)/Facades;$(AssemblySearchPaths)</AssemblySearchPaths>
  </PropertyGroup>

  <ItemGroup Condition="'$(TargetFramework)'== 'net472' OR '$(TargetFrameworkVersion)' == 'v4.7.2'">
    <Reference Include="netstandard" />
  </ItemGroup>
</Project>

(基于此.)

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