in apps/gemm/hardware/chisel/build.sbt [43:55]
def javacOptionsVersion(scalaVersion: String): Seq[String] = {
Seq() ++ {
// Scala 2.12 requires Java 8. We continue to generate
// Java 7 compatible code for Scala 2.11
// for compatibility with old clients.
CrossVersion.partialVersion(scalaVersion) match {
case Some((2, scalaMajor: Long)) if scalaMajor < 12 =>
Seq("-source", "1.7", "-target", "1.7")
case _ =>
Seq("-source", "1.8", "-target", "1.8")
}
}
}