How can I set target JVM version in SBT? In Maven (with maven-scala-plugin) it can be done as follows:
<plugin>
...
<configuration>
<scalaVersion>${scala.version}</scalaVersion>
<args>
<arg>-target:jvm-1.5</arg>
</args>
</configuration>
</plugin>
You can specify compiler options in the project definition:
javacOptions ++= Seq("-source", "1.8", "-target", "1.8")