Create Nuget for net461 with content copy to output

Question

I've created a nuget package targeting a .NET Core project. The idea here is to add xxx.dll as a reference with copy local as false and copy all DLLs in a subfolder in the output path and all resources files in subfolder\resources

The nuspec targeting NET Core 3 is working fine.

Now I want to do the same to target NET Framework 4.6.1.

But the content files are not added to the project. This is my nuspec file :

<?xml version="1.0"?>
<package  xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
  <metadata>    
    <id>xxx.Win.x64.ForIPS11</id>
    <version>15.5.3.4</version>
    <title>xxx toolkit</title>
    <authors>xxx Team</authors>
    <owners>xxx</owners>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
    <description>xxx 15.5.3.4 x64 Windows to .NETFramework 4.6.1 for IPS 11</description>
    <releaseNotes></releaseNotes>
    <copyright>2020</copyright>
    <tags></tags>
    <dependencies>
      <group targetFramework=".NETFramework4.6.1" />
    </dependencies>
    <contentFiles>
        <files include="**\subfolder\resources\*.*"  buildAction="Content" copyToOutput="true" />
        <files include="**\subfolder\*.dll" buildAction="Content" copyToOutput="true" />
    </contentFiles>
  </metadata>
  <files>
    <file src="bin\xxx.dll" target="lib\net461" />
    <file src="resources\*.*" target="contentFiles\any\any\subfolder\resources"  />
    <file src="bin\*.dll" target="contentFiles\any\any\subfolder" />    
  </files>
</package>

Did I use an incompatible tag for .NET Framework target? Any idea how to get this done?

EDIT : I use packages.config file in VS2017 in the target project

Answer 1

contentFiles is not compatible with packages.config way

This is an alternative :

Nuspec file :

<?xml version="1.0"?>
<package  xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
  <metadata>    
    <id>xxx.Win.x64.ForIPS11</id>
    <version>0.0.0</version>
    <title>xxx toolkit</title>
    <authors>xxx Team</authors>
    <owners>xxx</owners>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
    <description>xxx 0.0.0 x64 Windows to .NETFramework 4.6.1</description>
    <releaseNotes></releaseNotes>
    <copyright>2020</copyright>
    <dependencies>
       <group targetFramework=".NETFramework4.6.1" />
    </dependencies>
    <tags></tags>
  </metadata>
  <files>
    <file src="bin\xxx.dll" target="lib\net461" />
    <file src="resources\*.*" target="build\subfolder\resources"  />
    <file src="bin\*.dll" target="build\subfolder" />
    <file src="xxx.Win.x64.targets" target="build" />
    <file src="install.ps1" target="tools" />
  </files>
 </package>

xxx.Win.x64.targets to copy subfolder to output

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <ItemGroup>
    <NativeLibs Include="$(MSBuildThisFileDirectory)**\*.*" />
    <None Include="@(NativeLibs)">
      <Link>%(RecursiveDir)%(FileName)%(Extension)</Link>
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
  </ItemGroup>
</Project>

and install.ps1 to mark copy local false to the reference

param($installPath, $toolsPath, $package, $project)
$asms = $package.AssemblyReferences | %{$_.Name} 
foreach ($reference in $project.Object.References) 
{
    if ($asms -contains $reference.Name + ".dll") 
    {
        $reference.CopyLocal = $false;
    }
}