Nuget.config 跨平台包源码目录

Question

nuget 配置示例：

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageSources>
    <clear/>
    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
    <add key="Local" value=".\src\NugetSupportFiles" /><!-- This works for windows only -->
    <add key="Local" value="./src/NugetSupportFiles" /><!-- This works for mac only -->
  </packageSources>
</configuration>

有没有办法让跨平台的 nuget.config 支持两者？