build.sbt

scalaVersion := "2.12.13"

scalacOptions ++= Seq(
  "-deprecation",
  "-feature",
  "-unchecked",
  "-Xfatal-warnings",
  "-language:reflectiveCalls",
)

resolvers ++= Seq(
  Resolver.sonatypeRepo("releases")
)

// Chisel 3.5
addCompilerPlugin("edu.berkeley.cs" % "chisel3-plugin" % "3.5.0" cross CrossVersion.full)
libraryDependencies += "edu.berkeley.cs" %% "chisel3" % "3.5.0"
libraryDependencies += "edu.berkeley.cs" %% "chiseltest" % "0.5.0"
libraryDependencies += "edu.berkeley.cs" %% "chisel-iotesters" % "1.5.3" 

def scalacOptionsVersion(scalaVersion: String): Seq[String] = {
  Seq() ++ {
    // If we're building with Scala > 2.11, enable the compile option
    //  switch to support our anonymous Bundle definitions:
    //  https://github.com/scala/bug/issues/10047
    CrossVersion.partialVersion(scalaVersion) match {
      case Some((2, scalaMajor: Long)) if scalaMajor < 12 => Seq()
      case _ => Seq("-Xsource:2.11")
    }
  }
}

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")
    }
  }
}
scalacOptions ++= scalacOptionsVersion(scalaVersion.value)
javacOptions ++= javacOptionsVersion(scalaVersion.value)