build.sbt

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: Int)) 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: Int)) if scalaMajor < 12 =>
        Seq("-source", "1.7", "-target", "1.7")
      case _ =>
        Seq("-source", "1.8", "-target", "1.8")
    }
  }
}

name := "chisel3-gcd"

version := "1.0"

scalaVersion := "2.11.11"

crossScalaVersions := Seq("2.11.11", "2.12.3")

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

//Use new version representation
//Ref: https://github.com/ucb-bar/chisel-tutorial/blob/release/build.sbt
//But it has connection error report form Behavior GCD, back to SNAPSHOT version
//Ref: https://github.com/ucb-bar/chisel-template/commit/49a8ba0d7e112592454baa2aa3bf674b6a747010
val defaultVersions = Map(
  "chisel3" -> "3.0-SNAPSHOT",
  "chisel-iotesters" -> "1.1-SNAPSHOT"
  //"chisel3" -> "3.0.+",
  //"chisel-iotesters" -> "1.1.+"
  //"chisel3" -> "latest.release", 
  //"chisel-iotesters" -> "latest.release"
  )

libraryDependencies ++= (Seq("chisel3","chisel-iotesters").map {
  dep: String => "edu.berkeley.cs" %% dep % sys.props.getOrElse(dep + "Version", defaultVersions(dep)) })

scalacOptions ++= scalacOptionsVersion(scalaVersion.value)

javacOptions ++= javacOptionsVersion(scalaVersion.value)