Aggregate coverage - discover a working combination of aggregate usage to enable coverage of subprojects. (#782)

* Generate aggregate coverage but publish a single Jar

* Reduce the aggressive dis-aggregation as it breaks super project aggregation.

* trying to get aggregate coverage working again ...

* Use the right incantation to enable aggregation for only the coverageReport task.

1 files changed, 10 insertions, 7 deletions

diff --git a/build.sbt b/build.sbt
index 952a2a4c..ffd487ad 100644
--- a/build.sbt
+++ b/build.sbt
@@ -136,6 +136,16 @@ 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").
+  // 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(coreMacros, chiselFrontend).
+  settings(
+    aggregate := false,
+    aggregate in coverageReport := true
+  ).
   settings(
     scalacOptions in Test ++= Seq("-language:reflectiveCalls"),
     scalacOptions in Compile in doc ++= Seq(
@@ -145,13 +155,6 @@ lazy val chisel = (project in file(".")).
       "-doc-title", name.value,
       "-doc-root-content", baseDirectory.value+"/root-doc.txt"
     ),
-    // 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,