Conditional compilation symbol for a .NET Core class library

Question

I have created a .NET Core R2 class library and have some common code that I use for several different platforms.

Some of the code is not valid in the .NET Core plat

Answer 1

Conditional variables should be defined in your project.json file for RC2, and I have a sample project here,

Port #SNMP from .NET Core RC1 to RC2

But there are also predefined ones from this article,

Developing Libraries with Cross Platform Tools