2 files changed, 7 insertions, 1 deletions
diff --git a/src/main/scala/chisel3/Driver.scala b/src/main/scala/chisel3/Driver.scala
index 190b36bf..b0c7aeda 100644
--- a/src/main/scala/chisel3/Driver.scala
+++ b/src/main/scala/chisel3/Driver.scala
@@ -7,6 +7,7 @@ import java.io._
 
 import internal._
 import internal.firrtl._
+import BuildInfo._
 
 trait BackendCompilationUtilities {
   /** Create a temporary directory with the prefix name. Exists here because it doesn't in Java 6.
@@ -135,4 +136,7 @@ object Driver extends BackendCompilationUtilities {
   }
 
   def targetDir(): String = { target_dir getOrElse new File(".").getCanonicalPath }
+
+  val version = BuildInfo.version
+  val chiselVersionString = BuildInfo.toString
 }
diff --git a/src/main/scala/chisel3/internal/firrtl/Emitter.scala b/src/main/scala/chisel3/internal/firrtl/Emitter.scala
index f1908089..e0daa95c 100644
--- a/src/main/scala/chisel3/internal/firrtl/Emitter.scala
+++ b/src/main/scala/chisel3/internal/firrtl/Emitter.scala
@@ -102,7 +102,9 @@ private class Emitter(circuit: Circuit) {
   private def unindent() { require(indentLevel > 0); indentLevel -= 1 }
   private def withIndent(f: => Unit) { indent(); f; unindent() }
 
-  private val res = new StringBuilder(s"circuit ${circuit.name} : ")
+  private val res = new StringBuilder()
+  res ++= s";${Driver.chiselVersionString}\n"
+  res ++= s"circuit ${circuit.name} : "
   withIndent { circuit.components.foreach(c => res ++= emit(c)) }
   res ++= newline
 }