From 7af4163cb83e414a19be8484cdbb6f1b04686e99 Mon Sep 17 00:00:00 2001
From: Jim Lawson
Date: Wed, 20 Sep 2017 12:22:16 -0700
Subject: Generate aggregate coverage but publish a single Jar (#695)

* Generate aggregate coverage but publish a single Jar

* Reduce the aggressive dis-aggregation as it breaks super project aggregation.
---
 build.sbt | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/build.sbt b/build.sbt
index 4657d7bf..7d5454ad 100644
--- a/build.sbt
+++ b/build.sbt
@@ -137,9 +137,7 @@ lazy val chisel = (project in file(".")).
   // Prevent separate JARs from being generated for coreMacros and chiselFrontend.
   dependsOn(coreMacros % "compile-internal;test-internal").
   dependsOn(chiselFrontend % "compile-internal;test-internal").
-  // The following is required until sbt-scoverage correctly deals with inDependencies
-  // Unfortunately, it also revives publishing of the subproject jars. Disable until the latter is resolved (again).
-  //aggregate(coreMacros, chiselFrontend).
+  aggregate(coreMacros, chiselFrontend).
   settings(
     scalacOptions in Test ++= Seq("-language:reflectiveCalls"),
     scalacOptions in Compile in doc ++= Seq(
@@ -149,7 +147,13 @@ lazy val chisel = (project in file(".")).
       "-doc-title", name.value,
       "-doc-root-content", baseDirectory.value+"/root-doc.txt"
     ),
-    aggregate in doc := false,
+    // Disable aggregation in general, but enable it for specific tasks.
+    // Otherwise we get separate Jar files for each subproject and we
+    //  go to great pains to package all chisel3 core code in a single Jar.
+    // If you get errors indicating coverageReport is undefined, be sure
+    //  you have sbt-scoverage in project/plugins.sbt
+    aggregate := false,
+    aggregate in coverageReport := true,
     // Include macro classes, resources, and sources main JAR.
     mappings in (Compile, packageBin) ++= (mappings in (coreMacros, Compile, packageBin)).value,
     mappings in (Compile, packageSrc) ++= (mappings in (coreMacros, Compile, packageSrc)).value,
-- 
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