Provide flag for scala that doesn't include akka libraries

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Spark users have been running into an annoying issue where they can't launch Spark using the scala command because it automatically injects a fixed version of akka on the classpath[1]. Spark uses a different version of akka that is incompatible with that included with Scala 2.10 (or at least seems to be based on these binary errors). We are using akka 2.2.3.

I'd guess that other projects have run into this, so I wonder if there is a more straightforward work-around.

My proposal was to have a flag that doesn't load extra libraries:

scala -langonly XXX
scala -noakka XXX

Right now we tell the users to launch with java which is definitely more clunky.

[1] http://apache-spark-developers-list.1001551.n3.nabble.com/Akka-problem-when-using-scala-command-to-launch-Spark-applications-in-the-current-0-9-0-SNAPSHOT-td2.html

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Imported From: https://issues.scala-lang.org/browse/SI-8565?orig=1
Reporter: Patrick Wendell (pwendell)
Affected Versions: 2.10.4
Duplicates #8472

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@retronym said:
Merging with #8472

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@retronym said:
Does scala -nobootcp also workaround the problem?