ANTLR cannot generate 'org.antlr.v4.codegen.target.CSharp_v1_3Target' code as of version 4.6.1-SNAPSHOT

[lextm]

This is a .NET Standard 1.3 class library project in Visual Studio 2017 RTM. Upgraded to ANTLR latest NuGet package (prerelease), and compilation triggers,

ANTLR cannot generate 'org.antlr.v4.codegen.target.CSharp_v1_3Target' code as of version 4.6.1-SNAPSHOT

I can easily use the workaround mentioned in this blog post, but do hope the tooling can be improved to support .NET Standard profiles as target framework version soon.

Moved from antlr/antlr4#1738