Github user conniey commented on the issue:
https://github.com/apache/lucenenet/pull/191
@NightOwl888 The latest icu-dotnet package solves the bitness issue by
containing both x86 and x64 assemblies. I created a [demo
here](https://github.com/conniey/lucenenet-demo) where a single
Lucene.Net.Analysis.Common package can compile/run on both platforms. So that
problem is solved! :D
In regards to your multi-targeting question, you can compile your project
against multiple platforms by adding multiple frameworks to your project.json.
Here is an example for [Lucene.Net.Analysis.Common's
project.json](https://github.com/conniey/lucenenet/blob/netcoremigration/src/Lucene.Net.Analysis.Common/project.json#L25-L35).
Similarly, if you multi-target your test project, it will run tests on both
frameworks when you execute a dotnet test.
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