From 1d6f15a7e1eb61d301e0585c7be5292e2b34e5b7 Mon Sep 17 00:00:00 2001
From: Jim Lawson
Date: Mon, 23 Jan 2017 09:05:22 -0800
Subject: Use the same firrtl for all sub-projects. Use the root project's
 unmanagedBase (".../lib") in all sub-projects.

---
 build.sbt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build.sbt b/build.sbt
index 5fa8895b..cfab7fbb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -24,6 +24,8 @@ lazy val commonSettings = Seq (
   scalacOptions := Seq("-deprecation", "-feature"),
   libraryDependencies += "org.scala-lang" % "scala-reflect" % scalaVersion.value,
   addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full),
+  // Use the root project's unmanaged base for all sub-projects.
+  unmanagedBase := (unmanagedBase in root).value,
   // Since we want to examine the classpath to determine if a dependency on firrtl is required,
   //  this has to be a Task setting.
   //  Fortunately, allDependencies is a Task Setting, so we can modify that.
@@ -104,6 +106,8 @@ lazy val chiselFrontend = (project in file("chiselFrontend")).
   settings(publishArtifact := false).
   dependsOn(coreMacros)
 
+// Hack to avoid circular dependency on chisel.
+val root = Project("chisel", file("."))
 
 lazy val chisel = (project in file(".")).
   enablePlugins(BuildInfoPlugin).
-- 
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